Timer Timer Timer Timer Class

定義

依定義的間隔來執行非同步或同步網頁回傳。Performs asynchronous or synchronous Web page postbacks at a defined interval.

public ref class Timer : System::Web::UI::Control, System::Web::UI::IPostBackEventHandler, System::Web::UI::IScriptControl
[System.Drawing.ToolboxBitmap(typeof(EmbeddedResourceFinder), "System.Web.Resources.Timer.bmp")]
public class Timer : System.Web.UI.Control, System.Web.UI.IPostBackEventHandler, System.Web.UI.IScriptControl
type Timer = class
    inherit Control
    interface IPostBackEventHandler
    interface IScriptControl
Public Class Timer
Inherits Control
Implements IPostBackEventHandler, IScriptControl
繼承
屬性
實作

範例

下列範例顯示UpdatePanel的控制項會顯示隨機產生的股票價格,以及產生股票價格的時間。The following example shows an UpdatePanel control that displays a randomly generated stock price and the time that the stock price was generated. 控制項會每隔10秒更新UpdatePanel控制項中的內容。 TimerThe Timer control updates the content in the UpdatePanel control every 10 seconds.

注意

在此範例中,計時器間隔設定為10秒,因此當您執行此範例時,您不需要等候很長的時間來查看結果。In this example, the timer interval is set to 10 seconds so that when you run the example, you do not have to wait a long time to see the results. 由於每個計時器間隔都會造成導致網路流量的回傳,因此在生產應用程式中,您應該將間隔設定為應用程式仍然可行的最長時間。Because each timer interval causes a postback that causes network traffic, in a production application you should set the interval to the longest time that is still practical for your application.

<%@ Page Language="C#" AutoEventWireup="true" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Timer Example Page</title>
    <script runat="server">
        protected void Page_Load(object sender, EventArgs e)
        {
            OriginalTime.Text = DateTime.Now.ToLongTimeString();
        }

        protected void Timer1_Tick(object sender, EventArgs e)
        {
            StockPrice.Text = GetStockPrice();
            TimeOfPrice.Text = DateTime.Now.ToLongTimeString();
        }

        private string GetStockPrice()
        {
            double randomStockPrice = 50 + new Random().NextDouble();
            return randomStockPrice.ToString("C");
        }
    </script>
</head>
<body>
    <form id="form1" runat="server">
        <asp:ScriptManager ID="ScriptManager1" runat="server" />
        <asp:Timer ID="Timer1" OnTick="Timer1_Tick" runat="server" Interval="10000" />
      
        <asp:UpdatePanel ID="StockPricePanel" runat="server" UpdateMode="Conditional">
        <Triggers>
            <asp:AsyncPostBackTrigger ControlID="Timer1" />
        </Triggers>
        <ContentTemplate>
            Stock price is <asp:Label id="StockPrice" runat="server"></asp:Label><BR />
            as of <asp:Label id="TimeOfPrice" runat="server"></asp:Label>  
        </ContentTemplate>
        </asp:UpdatePanel>
        <div>
        Page originally created at <asp:Label ID="OriginalTime" runat="server"></asp:Label>
        </div>
    </form>
</body>
</html>
<%@ Page Language="VB" AutoEventWireup="true" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>Timer Example Page</title>
    <script runat="server">
        Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
            OriginalTime.Text = DateTime.Now.ToLongTimeString()
        End Sub

        Protected Sub Timer1_Tick(ByVal sender As Object, ByVal e As EventArgs)
            StockPrice.Text = GetStockPrice()
            TimeOfPrice.Text = DateTime.Now.ToLongTimeString()
        End Sub

        Private Function GetStockPrice() As String
            Dim randomStockPrice As Double = 50 + New Random().NextDouble()
            Return randomStockPrice.ToString("C")
        End Function
            
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <asp:ScriptManager ID="ScriptManager1" runat="server" />
        <asp:Timer ID="Timer1" OnTick="Timer1_Tick" runat="server" Interval="10000" />
      
        <asp:UpdatePanel ID="StockPricePanel" runat="server" UpdateMode="Conditional">
        <Triggers>
            <asp:AsyncPostBackTrigger ControlID="Timer1" />
        </Triggers>
        <ContentTemplate>
            Stock price is <asp:Label id="StockPrice" runat="server"></asp:Label><BR />
            as of <asp:Label id="TimeOfPrice" runat="server"></asp:Label>  
        </ContentTemplate>
        </asp:UpdatePanel>
        <div>
        Page originally created at <asp:Label ID="OriginalTime" runat="server"></asp:Label>
        </div>
    </form>
</body>
</html>

備註

本主題內容:In this topic:

簡介Introduction

Timer控制項可讓您在指定的間隔執行回傳。The Timer control enables you to perform postbacks at a specified interval. 當您使用Timer控制項做為UpdatePanel控制項的觸發程式時, UpdatePanel會使用非同步部分頁面更新來更新控制項。When you use the Timer control as a trigger for an UpdatePanel control, the UpdatePanel control is updated by using an asynchronous, partial-page update. 您必須在網頁ScriptManager中包含物件,才能Timer使用控制項。You must include a ScriptManager object in a Web page to use the Timer control.

您可以使用Timer控制項,藉由UpdatePanelUpdatePanel控制項內包含計時器來更新控制項。You use the Timer control to update an UpdatePanel control by including the timer inside the UpdatePanel control. 或者,您可以將計時器放在UpdatePanel控制項外部,並將計時器設定為觸發程式。Alternatively, you can place the timer outside the UpdatePanel control and set the timer as a trigger.

您也可以在網頁中包含Timer控制項,而不是將它設定為UpdatePanel控制項的觸發程式,藉以起始完整網頁的完整回傳。You can also initiate full postback of a complete Web page by including the Timer control in the Web page and not setting it as a trigger for an UpdatePanel control.

建立Tick事件的事件處理常式時,您可以執行伺服器程式碼,因為計時器間隔已過。You can run server code when the timer interval has elapsed by creating an event handler for the Tick event. 在事件處理常式中,您可以包含程式碼,以動態方式調整Timer控制項的行為。In the event handler, you can include code that dynamically adjusts the behavior of the Timer control.

Interval設定屬性以指定回傳發生的頻率。Set the Interval property to specify how often postbacks will occur. 將屬性設定為 [開啟Timer ] 或 [關閉]。 EnabledSet the Enabled property to turn the Timer on or off.

注意

Timer控制項回傳至 Web 服務器的精確度,取決於在瀏覽器中執行之 ECMAScript (JavaScript) window.setTimeout函數的精確度。The accuracy of when the Timer control posts back to the Web server depends on the accuracy of the ECMAScript (JavaScript) window.setTimeout function that is running in the browser.

Interval屬性會以毫秒為單位定義。The Interval property is defined in milliseconds. 您必須將Interval屬性設定為值,讓至少一個非同步回傳完成後,再起始下一個回傳。You must set the Interval property to a value that lets at least one asynchronous postback complete before the next postback is initiated. 當控制項在UpdatePanel控制項外部時,計時器會在UpdatePanel控制項的內容重新整理時繼續執行。 TimerWhen the Timer control is outside an UpdatePanel control, the timer continues to run while the content of the UpdatePanel control is refreshed. 如果在處理較早的回傳時起始新的回傳,則會取消第一個回傳。If a new postback is initiated while an earlier postback is being processed, the first postback will be canceled. 預設值為60000毫秒(60秒)。The default value is 60,000 milliseconds (60 seconds).

注意

在屬性中新增具有較小值的控制項,可能會產生與Web服務器之間的大量流量。Timer IntervalAdding a Timer control with a small value in the Interval property can generate significant traffic to and from the Web server. 只在必要時,才使用控制項來重新整理內容。TimerUse the Timer control to refresh the content only as often as necessary.

宣告式語法Declarative Syntax

<asp:Timer  
    Enabled="True|False"  
    EnableTheming="True|False"  
    EnableViewState="True|False"  
    ID="string"  
    Interval="integer"  
    OnDataBinding="DataBinding event handler"  
    OnDisposed="Disposed event handler"  
    OnInit="Init event handler"  
    OnLoad="Load event handler"  
    OnPreRender="PreRender event handler"  
    OnTick="Tick event handler"  
    OnUnload="Unload handler"  
    runat="server"  
    SkinID="string"  
    Visible="True|False"  
/>  

建構函式

Timer() Timer() Timer() Timer()

初始化 Timer 類別的新執行個體。Initializes a new instance of the Timer class.

屬性

Adapter Adapter Adapter Adapter

針對控制項取得瀏覽器的特定配置器。Gets the browser-specific adapter for the control.

(Inherited from Control)
AppRelativeTemplateSourceDirectory AppRelativeTemplateSourceDirectory AppRelativeTemplateSourceDirectory AppRelativeTemplateSourceDirectory

取得或設定包含了此控制項之 PageUserControl 物件的相對應用程式虛擬目錄。Gets or sets the application-relative virtual directory of the Page or UserControl object that contains this control.

(Inherited from Control)
BindingContainer BindingContainer BindingContainer BindingContainer

取得包含了此控制項之資料繫結的控制項。Gets the control that contains this control's data binding.

(Inherited from Control)
ChildControlsCreated ChildControlsCreated ChildControlsCreated ChildControlsCreated

取得值,指出是否已經建立伺服器控制項的子控制項。Gets a value that indicates whether the server control's child controls have been created.

(Inherited from Control)
ClientID ClientID ClientID ClientID

取得 ASP.NET 所產生之 HTML 標記的控制項識別碼。Gets the control ID for HTML markup that is generated by ASP.NET.

(Inherited from Control)
ClientIDMode ClientIDMode ClientIDMode ClientIDMode

取得或設定用來產生 ClientID 屬性值的演算法。Gets or sets the algorithm that is used to generate the value of the ClientID property.

(Inherited from Control)
ClientIDSeparator ClientIDSeparator ClientIDSeparator ClientIDSeparator

取得字元值,表示在 ClientID 屬性中所使用的分隔字元。Gets a character value representing the separator character used in the ClientID property.

(Inherited from Control)
Context Context Context Context

取得與目前 Web 要求的伺服器控制項關聯的 HttpContext 物件。Gets the HttpContext object associated with the server control for the current Web request.

(Inherited from Control)
Controls Controls Controls Controls

取得 ControlCollection 物件,表示 UI 階層架構中指定之伺服器控制項的子控制項。Gets a ControlCollection object that represents the child controls for a specified server control in the UI hierarchy.

(Inherited from Control)
DataItemContainer DataItemContainer DataItemContainer DataItemContainer

如果命名容器實作 IDataItemContainer,則取得命名容器的參考。Gets a reference to the naming container if the naming container implements IDataItemContainer.

(Inherited from Control)
DataKeysContainer DataKeysContainer DataKeysContainer DataKeysContainer

如果命名容器實作 IDataKeysControl,則取得命名容器的參考。Gets a reference to the naming container if the naming container implements IDataKeysControl.

(Inherited from Control)
DesignMode DesignMode DesignMode DesignMode

取得值,指出控制項是否正用於設計介面上。Gets a value indicating whether a control is being used on a design surface.

(Inherited from Control)
Enabled Enabled Enabled Enabled

取得或設定值,以指出 Timer 控制項是否要在經過 Interval 屬性中所指定的毫秒數之後,來初始化對伺服器的回傳。Gets or sets a value that indicates whether the Timer control initiates a postback to the server after the number of milliseconds specified in the Interval property has elapsed.

EnableTheming EnableTheming EnableTheming EnableTheming

取得或設定值,指出佈景主題是否套用至此控制項。Gets or sets a value indicating whether themes apply to this control.

(Inherited from Control)
EnableViewState EnableViewState EnableViewState EnableViewState

取得或設定值,該值表示伺服器控制項是否對要求的用戶端而言保持其檢視狀態,以及它包含的任何子控制項狀態。Gets or sets a value indicating whether the server control persists its view state, and the view state of any child controls it contains, to the requesting client.

(Inherited from Control)
Events Events Events Events

取得控制項事件處理常式委派 (Delegate) 的清單。Gets a list of event handler delegates for the control. 這個屬性是唯讀的。This property is read-only.

(Inherited from Control)
HasChildViewState HasChildViewState HasChildViewState HasChildViewState

取得值,指出目前伺服器控制項的子控制項是否有任何已儲存的檢視狀態設定。Gets a value indicating whether the current server control's child controls have any saved view-state settings.

(Inherited from Control)
IControlBuilderAccessor.ControlBuilder IControlBuilderAccessor.ControlBuilder IControlBuilderAccessor.ControlBuilder IControlBuilderAccessor.ControlBuilder

如需這個成員的說明,請參閱 ControlBuilderFor a description of this member, see ControlBuilder.

(Inherited from Control)
IControlDesignerAccessor.UserData IControlDesignerAccessor.UserData IControlDesignerAccessor.UserData IControlDesignerAccessor.UserData

如需這個成員的說明,請參閱 UserDataFor a description of this member, see UserData.

(Inherited from Control)
ID ID ID ID

取得或設定指派給伺服器控制項的程式設計識別項。Gets or sets the programmatic identifier assigned to the server control.

(Inherited from Control)
IDataBindingsAccessor.DataBindings IDataBindingsAccessor.DataBindings IDataBindingsAccessor.DataBindings IDataBindingsAccessor.DataBindings

如需這個成員的說明,請參閱 DataBindingsFor a description of this member, see DataBindings.

(Inherited from Control)
IDataBindingsAccessor.HasDataBindings IDataBindingsAccessor.HasDataBindings IDataBindingsAccessor.HasDataBindings IDataBindingsAccessor.HasDataBindings

如需這個成員的說明,請參閱 HasDataBindingsFor a description of this member, see HasDataBindings.

(Inherited from Control)
IdSeparator IdSeparator IdSeparator IdSeparator

取得用來分隔控制項識別項的字元。Gets the character used to separate control identifiers.

(Inherited from Control)
IExpressionsAccessor.Expressions IExpressionsAccessor.Expressions IExpressionsAccessor.Expressions IExpressionsAccessor.Expressions

如需這個成員的說明,請參閱 ExpressionsFor a description of this member, see Expressions.

(Inherited from Control)
IExpressionsAccessor.HasExpressions IExpressionsAccessor.HasExpressions IExpressionsAccessor.HasExpressions IExpressionsAccessor.HasExpressions

如需這個成員的說明,請參閱 HasExpressionsFor a description of this member, see HasExpressions.

(Inherited from Control)
Interval Interval Interval Interval

取得或設定在初始化回傳之前所要等待的毫秒數。Gets or sets the number of milliseconds to wait before initiating a postback.

IsChildControlStateCleared IsChildControlStateCleared IsChildControlStateCleared IsChildControlStateCleared

取得值,指出這個控制項中所包含的控制項是否有控制項狀態。Gets a value indicating whether controls contained within this control have control state.

(Inherited from Control)
IsTrackingViewState IsTrackingViewState IsTrackingViewState IsTrackingViewState

取得值,指出伺服器控制項是否正在儲存檢視狀態的變更。Gets a value that indicates whether the server control is saving changes to its view state.

(Inherited from Control)
IsViewStateEnabled IsViewStateEnabled IsViewStateEnabled IsViewStateEnabled

取得值,指出這個控制項是否已啟用檢視狀態。Gets a value indicating whether view state is enabled for this control.

(Inherited from Control)
LoadViewStateByID LoadViewStateByID LoadViewStateByID LoadViewStateByID

取得值,指出控制項是否依 ID (而不是索引) 參與載入其檢視狀態。Gets a value indicating whether the control participates in loading its view state by ID instead of index.

(Inherited from Control)
NamingContainer NamingContainer NamingContainer NamingContainer

取得伺服器控制項命名容器的參考,其建立唯一命名空間,在具有相同 ID 屬性值的伺服器控制項之間作區別。Gets a reference to the server control's naming container, which creates a unique namespace for differentiating between server controls with the same ID property value.

(Inherited from Control)
Page Page Page Page

取得含有伺服器控制項的 Page 執行個體的參考。Gets a reference to the Page instance that contains the server control.

(Inherited from Control)
Parent Parent Parent Parent

在網頁控制階層架構中取得伺服器控制項之父控制項的參考。Gets a reference to the server control's parent control in the page control hierarchy.

(Inherited from Control)
RenderingCompatibility RenderingCompatibility RenderingCompatibility RenderingCompatibility

取得值,這個值會指定將與呈現 HTML 相容的 ASP.NET 版本。Gets a value that specifies the ASP.NET version that rendered HTML will be compatible with.

(Inherited from Control)
Site Site Site Site

當呈現在設計介面上時,取得裝載目前控制項之容器的資訊。Gets information about the container that hosts the current control when rendered on a design surface.

(Inherited from Control)
SkinID SkinID SkinID SkinID

取得或設定要套用至控制項的面板。Gets or sets the skin to apply to the control.

(Inherited from Control)
TemplateControl TemplateControl TemplateControl TemplateControl

取得或設定包含了此控制項之樣板的參考。Gets or sets a reference to the template that contains this control.

(Inherited from Control)
TemplateSourceDirectory TemplateSourceDirectory TemplateSourceDirectory TemplateSourceDirectory

取得包含目前伺服器控制項的 PageUserControl 的虛擬目錄。Gets the virtual directory of the Page or UserControl that contains the current server control.

(Inherited from Control)
UniqueID UniqueID UniqueID UniqueID

取得伺服器控制項唯一的、符合階層架構的識別項。Gets the unique, hierarchically qualified identifier for the server control.

(Inherited from Control)
ValidateRequestMode ValidateRequestMode ValidateRequestMode ValidateRequestMode

取得或設定值,指出控制項是否對來自瀏覽器的用戶端輸入檢查潛在的危險值。Gets or sets a value that indicates whether the control checks client input from the browser for potentially dangerous values.

(Inherited from Control)
ViewState ViewState ViewState ViewState

取得狀態資訊的字典,允許您在相同網頁的多個要求之間,儲存和還原伺服器控制項的檢視狀態。Gets a dictionary of state information that allows you to save and restore the view state of a server control across multiple requests for the same page.

(Inherited from Control)
ViewStateIgnoresCase ViewStateIgnoresCase ViewStateIgnoresCase ViewStateIgnoresCase

取得值,指出 StateBag 物件是否不區分大小寫。Gets a value that indicates whether the StateBag object is case-insensitive.

(Inherited from Control)
ViewStateMode ViewStateMode ViewStateMode ViewStateMode

取得或設定這個控制項的檢視狀態模式。Gets or sets the view-state mode of this control.

(Inherited from Control)
Visible Visible Visible Visible

覆寫 Visible 類別的 Control 屬性,就不需設定此值。Overrides the Visible property of the Control class to prevent this value from being set.

方法

AddedControl(Control, Int32) AddedControl(Control, Int32) AddedControl(Control, Int32) AddedControl(Control, Int32)

在子控制項加入 Control 物件的 Controls 集合後呼叫。Called after a child control is added to the Controls collection of the Control object.

(Inherited from Control)
AddParsedSubObject(Object) AddParsedSubObject(Object) AddParsedSubObject(Object) AddParsedSubObject(Object)

通知伺服器控制項,XML 或 HTML 項目已剖析,並將項目加入伺服器控制項的 ControlCollection 物件中。Notifies the server control that an element, either XML or HTML, was parsed, and adds the element to the server control's ControlCollection object.

(Inherited from Control)
ApplyStyleSheetSkin(Page) ApplyStyleSheetSkin(Page) ApplyStyleSheetSkin(Page) ApplyStyleSheetSkin(Page)

將頁面樣式表中所定義的樣式屬性套用至控制項。Applies the style properties defined in the page style sheet to the control.

(Inherited from Control)
BeginRenderTracing(TextWriter, Object) BeginRenderTracing(TextWriter, Object) BeginRenderTracing(TextWriter, Object) BeginRenderTracing(TextWriter, Object)

開始進行轉譯資料的設計階段追蹤。Begins design-time tracing of rendering data.

(Inherited from Control)
BuildProfileTree(String, Boolean) BuildProfileTree(String, Boolean) BuildProfileTree(String, Boolean) BuildProfileTree(String, Boolean)

收集伺服器控制項的相關資訊,並在頁面啟用追蹤時將此資訊傳遞至 Trace 屬性以顯示之。Gathers information about the server control and delivers it to the Trace property to be displayed when tracing is enabled for the page.

(Inherited from Control)
ClearCachedClientID() ClearCachedClientID() ClearCachedClientID() ClearCachedClientID()

將快取的 ClientID 值設定為 nullSets the cached ClientID value to null.

(Inherited from Control)
ClearChildControlState() ClearChildControlState() ClearChildControlState() ClearChildControlState()

刪除伺服器控制項之子控制項的控制項狀態資訊。Deletes the control-state information for the server control's child controls.

(Inherited from Control)
ClearChildState() ClearChildState() ClearChildState() ClearChildState()

刪除所有伺服器控制項之子控制項的檢視狀態和控制項狀態資訊。Deletes the view-state and control-state information for all the server control's child controls.

(Inherited from Control)
ClearChildViewState() ClearChildViewState() ClearChildViewState() ClearChildViewState()

刪除所有伺服器控制項之子控制項的檢視狀態資訊。Deletes the view-state information for all the server control's child controls.

(Inherited from Control)
ClearEffectiveClientIDMode() ClearEffectiveClientIDMode() ClearEffectiveClientIDMode() ClearEffectiveClientIDMode()

將目前的控制項執行個體和任何子控制項的 ClientIDMode 屬性設定為 InheritSets the ClientIDMode property of the current control instance and of any child controls to Inherit.

(Inherited from Control)
CreateChildControls() CreateChildControls() CreateChildControls() CreateChildControls()

由 ASP.NET 網頁架構呼叫,通知使用組合實作的伺服器控制項來建立所包含的任何子控制項,以準備回傳或呈現。Called by the ASP.NET page framework to notify server controls that use composition-based implementation to create any child controls they contain in preparation for posting back or rendering.

(Inherited from Control)
CreateControlCollection() CreateControlCollection() CreateControlCollection() CreateControlCollection()

建立新的 ControlCollection 物件來保存伺服器控制項的子控制項 (常值和伺服器)。Creates a new ControlCollection object to hold the child controls (both literal and server) of the server control.

(Inherited from Control)
DataBind() DataBind() DataBind() DataBind()

將資料來源繫結至叫用的伺服器控制項和它的全部子控制項。Binds a data source to the invoked server control and all its child controls.

(Inherited from Control)
DataBind(Boolean) DataBind(Boolean) DataBind(Boolean) DataBind(Boolean)

使用會引發 DataBinding 事件的選項,繫結資料來源至叫用的伺服器控制項及其所有子控制項。Binds a data source to the invoked server control and all its child controls with an option to raise the DataBinding event.

(Inherited from Control)
DataBindChildren() DataBindChildren() DataBindChildren() DataBindChildren()

繫結資料來源至伺服器控制項的子控制項。Binds a data source to the server control's child controls.

(Inherited from Control)
Dispose() Dispose() Dispose() Dispose()

啟用伺服器控制項,在它從記憶體釋放之前執行最後清除。Enables a server control to perform final clean up before it is released from memory.

(Inherited from Control)
EndRenderTracing(TextWriter, Object) EndRenderTracing(TextWriter, Object) EndRenderTracing(TextWriter, Object) EndRenderTracing(TextWriter, Object)

結束轉譯資料的設計階段追蹤。Ends design-time tracing of rendering data.

(Inherited from Control)
EnsureChildControls() EnsureChildControls() EnsureChildControls() EnsureChildControls()

判斷伺服器控制項是否包含子控制項。Determines whether the server control contains child controls. 如果不包含,則建立子控制項。If it does not, it creates child controls.

(Inherited from Control)
EnsureID() EnsureID() EnsureID() EnsureID()

為尚未指定識別項的控制項,建立識別項。Creates an identifier for controls that do not have an identifier assigned.

(Inherited from Control)
Equals(Object) Equals(Object) Equals(Object) Equals(Object)

判斷指定的物件是否等於目前的物件。Determines whether the specified object is equal to the current object.

(Inherited from Object)
FindControl(String) FindControl(String) FindControl(String) FindControl(String)

在目前命名容器搜尋具有指定 id 參數的伺服器控制項。Searches the current naming container for a server control with the specified id parameter.

(Inherited from Control)
FindControl(String, Int32) FindControl(String, Int32) FindControl(String, Int32) FindControl(String, Int32)

使用指定的 id 和有助於搜尋之 pathOffset 參數中所指定的整數,在目前的命名容器中搜尋伺服器控制項。Searches the current naming container for a server control with the specified id and an integer, specified in the pathOffset parameter, which aids in the search. 您不應該覆寫這個版本的 FindControl 方法。You should not override this version of the FindControl method.

(Inherited from Control)
Focus() Focus() Focus() Focus()

設定控制項的輸入焦點。Sets input focus to a control.

(Inherited from Control)
GetDesignModeState() GetDesignModeState() GetDesignModeState() GetDesignModeState()

取得控制項的設計階段資料。Gets design-time data for a control.

(Inherited from Control)
GetHashCode() GetHashCode() GetHashCode() GetHashCode()

做為預設雜湊函式。Serves as the default hash function.

(Inherited from Object)
GetRouteUrl(Object) GetRouteUrl(Object) GetRouteUrl(Object) GetRouteUrl(Object)

取得會對應於一組路由參數的 URL。Gets the URL that corresponds to a set of route parameters.

(Inherited from Control)
GetRouteUrl(RouteValueDictionary) GetRouteUrl(RouteValueDictionary) GetRouteUrl(RouteValueDictionary) GetRouteUrl(RouteValueDictionary)

取得會對應於一組路由參數的 URL。Gets the URL that corresponds to a set of route parameters.

(Inherited from Control)
GetRouteUrl(String, Object) GetRouteUrl(String, Object) GetRouteUrl(String, Object) GetRouteUrl(String, Object)

取得 URL,此 URL 對應於一組路由參數及一個路由名稱。Gets the URL that corresponds to a set of route parameters and a route name.

(Inherited from Control)
GetRouteUrl(String, RouteValueDictionary) GetRouteUrl(String, RouteValueDictionary) GetRouteUrl(String, RouteValueDictionary) GetRouteUrl(String, RouteValueDictionary)

取得 URL,此 URL 對應於一組路由參數及一個路由名稱。Gets the URL that corresponds to a set of route parameters and a route name.

(Inherited from Control)
GetScriptDescriptors() GetScriptDescriptors() GetScriptDescriptors() GetScriptDescriptors()

從傳遞至用戶端元件的 Timer 物件中擷取屬性,該用戶端元件用來實作瀏覽器中的計時器邏輯。Retrieves properties from a Timer object that are passed to the client component that implements timer logic in the browser.

GetScriptReferences() GetScriptReferences() GetScriptReferences() GetScriptReferences()

擷取 Timer 控制項的用戶端指令碼。Retrieves the client script for the Timer control.

GetType() GetType() GetType() GetType()

取得目前執行個體的 TypeGets the Type of the current instance.

(Inherited from Object)
GetUniqueIDRelativeTo(Control) GetUniqueIDRelativeTo(Control) GetUniqueIDRelativeTo(Control) GetUniqueIDRelativeTo(Control)

傳回指定之控制項 UniqueID 屬性的前置部分。Returns the prefixed portion of the UniqueID property of the specified control.

(Inherited from Control)
HasControls() HasControls() HasControls() HasControls()

判斷伺服器控制項是否包含任何子控制項。Determines if the server control contains any child controls.

(Inherited from Control)
HasEvents() HasEvents() HasEvents() HasEvents()

傳回值,指出控制項或任何子控制項的事件是否已註冊。Returns a value indicating whether events are registered for the control or any child controls.

(Inherited from Control)
IsLiteralContent() IsLiteralContent() IsLiteralContent() IsLiteralContent()

判斷伺服器控制項是否只儲存常值內容。Determines if the server control holds only literal content.

(Inherited from Control)
LoadControlState(Object) LoadControlState(Object) LoadControlState(Object) LoadControlState(Object)

SaveControlState() 方法所儲存的上一頁要求中,還原控制項狀態資訊。Restores control-state information from a previous page request that was saved by the SaveControlState() method.

(Inherited from Control)
LoadViewState(Object) LoadViewState(Object) LoadViewState(Object) LoadViewState(Object)

將檢視狀態資訊從 SaveViewState() 方法所儲存的上一個網頁要求還原。Restores view-state information from a previous page request that was saved by the SaveViewState() method.

(Inherited from Control)
MapPathSecure(String) MapPathSecure(String) MapPathSecure(String) MapPathSecure(String)

擷取虛擬絕對路徑或相對路徑所對應至的實體路徑。Retrieves the physical path that a virtual path, either absolute or relative, maps to.

(Inherited from Control)
MemberwiseClone() MemberwiseClone() MemberwiseClone() MemberwiseClone()

建立目前 Object 的淺層複本 (Shallow Copy)。Creates a shallow copy of the current Object.

(Inherited from Object)
OnBubbleEvent(Object, EventArgs) OnBubbleEvent(Object, EventArgs) OnBubbleEvent(Object, EventArgs) OnBubbleEvent(Object, EventArgs)

決定伺服器控制項的事件是否要在頁面的 UI 伺服器控制項階層架構中向上傳遞。Determines whether the event for the server control is passed up the page's UI server control hierarchy.

(Inherited from Control)
OnDataBinding(EventArgs) OnDataBinding(EventArgs) OnDataBinding(EventArgs) OnDataBinding(EventArgs)

引發 DataBinding 事件。Raises the DataBinding event.

(Inherited from Control)
OnInit(EventArgs) OnInit(EventArgs) OnInit(EventArgs) OnInit(EventArgs)

引發 Init 事件。Raises the Init event.

(Inherited from Control)
OnLoad(EventArgs) OnLoad(EventArgs) OnLoad(EventArgs) OnLoad(EventArgs)

引發 Load 事件。Raises the Load event.

(Inherited from Control)
OnPreRender(EventArgs) OnPreRender(EventArgs) OnPreRender(EventArgs) OnPreRender(EventArgs)

引發 PreRender 控制項的 Timer 事件。Raises the PreRender event of the Timer control.

OnTick(EventArgs) OnTick(EventArgs) OnTick(EventArgs) OnTick(EventArgs)

引發 Tick 控制項的 Timer 事件。Raises the Tick event of the Timer control.

OnUnload(EventArgs) OnUnload(EventArgs) OnUnload(EventArgs) OnUnload(EventArgs)

引發 Unload 事件。Raises the Unload event.

(Inherited from Control)
OpenFile(String) OpenFile(String) OpenFile(String) OpenFile(String)

取得用來讀取檔案的 StreamGets a Stream used to read a file.

(Inherited from Control)
RaiseBubbleEvent(Object, EventArgs) RaiseBubbleEvent(Object, EventArgs) RaiseBubbleEvent(Object, EventArgs) RaiseBubbleEvent(Object, EventArgs)

指派事件的任何來源和它的資訊至控制項的父控制項。Assigns any sources of the event and its information to the control's parent.

(Inherited from Control)
RaisePostBackEvent(String) RaisePostBackEvent(String) RaisePostBackEvent(String) RaisePostBackEvent(String)

Timer 控制項可以在將頁面張貼至伺服器時引發 Tick 事件。Enables a Timer control to raise the Tick event when a page is posted to the server.

RemovedControl(Control) RemovedControl(Control) RemovedControl(Control) RemovedControl(Control)

Control 物件的 Controls 集合中移除子控制項之後呼叫。Called after a child control is removed from the Controls collection of the Control object.

(Inherited from Control)
Render(HtmlTextWriter) Render(HtmlTextWriter) Render(HtmlTextWriter) Render(HtmlTextWriter)

使用指定的 Timer 物件,將HtmlTextWriter 控制項內容呈現至瀏覽器。Renders the Timer control content to the browser by using the specified HtmlTextWriter object.

RenderChildren(HtmlTextWriter) RenderChildren(HtmlTextWriter) RenderChildren(HtmlTextWriter) RenderChildren(HtmlTextWriter)

輸出伺服器控制項之子控制項的內容至提供的 HtmlTextWriter 物件,這個物件會寫入用戶端上所要呈現的內容。Outputs the content of a server control's children to a provided HtmlTextWriter object, which writes the content to be rendered on the client.

(Inherited from Control)
RenderControl(HtmlTextWriter) RenderControl(HtmlTextWriter) RenderControl(HtmlTextWriter) RenderControl(HtmlTextWriter)

將伺服器控制項內容輸出至提供的 HtmlTextWriter 物件,並在啟用追蹤時儲存控制項的追蹤資訊。Outputs server control content to a provided HtmlTextWriter object and stores tracing information about the control if tracing is enabled.

(Inherited from Control)
RenderControl(HtmlTextWriter, ControlAdapter) RenderControl(HtmlTextWriter, ControlAdapter) RenderControl(HtmlTextWriter, ControlAdapter) RenderControl(HtmlTextWriter, ControlAdapter)

使用提供的 HtmlTextWriter 物件,輸出伺服器控制項內容至提供的 ControlAdapter 物件。Outputs server control content to a provided HtmlTextWriter object using a provided ControlAdapter object.

(Inherited from Control)
ResolveAdapter() ResolveAdapter() ResolveAdapter() ResolveAdapter()

取得負責呈現指定之控制項的控制項配置器。Gets the control adapter responsible for rendering the specified control.

(Inherited from Control)
ResolveClientUrl(String) ResolveClientUrl(String) ResolveClientUrl(String) ResolveClientUrl(String)

取得瀏覽器可使用的 URL。Gets a URL that can be used by the browser.

(Inherited from Control)
ResolveUrl(String) ResolveUrl(String) ResolveUrl(String) ResolveUrl(String)

將 URL 轉換為要求用戶端可使用的 URL。Converts a URL into one that is usable on the requesting client.

(Inherited from Control)
SaveControlState() SaveControlState() SaveControlState() SaveControlState()

儲存頁面回傳至伺服器以來,所發生的任何伺服器控制項狀態變更。Saves any server control state changes that have occurred since the time the page was posted back to the server.

(Inherited from Control)
SaveViewState() SaveViewState() SaveViewState() SaveViewState()

儲存自頁面回傳至伺服器以來所發生的任何伺服器控制項檢視狀態變更。Saves any server control view-state changes that have occurred since the time the page was posted back to the server.

(Inherited from Control)
SetDesignModeState(IDictionary) SetDesignModeState(IDictionary) SetDesignModeState(IDictionary) SetDesignModeState(IDictionary)

設定控制項的設計階段資料。Sets design-time data for a control.

(Inherited from Control)
SetRenderMethodDelegate(RenderMethod) SetRenderMethodDelegate(RenderMethod) SetRenderMethodDelegate(RenderMethod) SetRenderMethodDelegate(RenderMethod)

指定事件處理常式委派,以呈現伺服器控制項及其內容至其父控制項。Assigns an event handler delegate to render the server control and its content into its parent control.

(Inherited from Control)
SetTraceData(Object, Object) SetTraceData(Object, Object) SetTraceData(Object, Object) SetTraceData(Object, Object)

使用追蹤資料機碼和追蹤資料值,設定設計階段期間追蹤呈現資料的追蹤資料。Sets trace data for design-time tracing of rendering data, using the trace data key and the trace data value.

(Inherited from Control)
SetTraceData(Object, Object, Object) SetTraceData(Object, Object, Object) SetTraceData(Object, Object, Object) SetTraceData(Object, Object, Object)

使用追蹤的物體、追蹤資料機碼和追蹤資料值,設定設計階段期間追蹤呈現資料的追蹤資料。Sets trace data for design-time tracing of rendering data, using the traced object, the trace data key, and the trace data value.

(Inherited from Control)
ToString() ToString() ToString() ToString()

傳回代表目前物件的字串。Returns a string that represents the current object.

(Inherited from Object)
TrackViewState() TrackViewState() TrackViewState() TrackViewState()

導致對伺服器控制項的檢視狀態變更的追蹤 (Tracking),以便它們能夠儲存於伺服器控制項的 StateBag 物件。Causes tracking of view-state changes to the server control so they can be stored in the server control's StateBag object. 這個物件可透過 ViewState 屬性存取。This object is accessible through the ViewState property.

(Inherited from Control)

事件

DataBinding DataBinding DataBinding DataBinding

發生於伺服器控制項繫結至資料來源時。Occurs when the server control binds to a data source.

(Inherited from Control)
Disposed Disposed Disposed Disposed

發生於伺服器控制項從記憶體釋放時,這是在要求 ASP.NET 網頁時,伺服器控制項生命週期的最後階段。Occurs when a server control is released from memory, which is the last stage of the server control lifecycle when an ASP.NET page is requested.

(Inherited from Control)
Init Init Init Init

發生於初始化伺服器控制項時,是其生命週期中的第一個步驟。Occurs when the server control is initialized, which is the first step in its lifecycle.

(Inherited from Control)
Load Load Load Load

發生於載入伺服器控制項至 Page 物件時。Occurs when the server control is loaded into the Page object.

(Inherited from Control)
PreRender PreRender PreRender PreRender

Control 物件載入之後但在呈現之前發生。Occurs after the Control object is loaded but prior to rendering.

(Inherited from Control)
Tick Tick Tick Tick

超過 Interval 屬性中所指定的毫秒數,以及將頁面張貼至伺服器時發生。Occurs when the number of milliseconds specified in the Interval property has elapsed and the page is posted to the server.

Unload Unload Unload Unload

發生於伺服器控制項從記憶體卸載時。Occurs when the server control is unloaded from memory.

(Inherited from Control)

明確介面實作

IControlDesignerAccessor.GetDesignModeState() IControlDesignerAccessor.GetDesignModeState() IControlDesignerAccessor.GetDesignModeState() IControlDesignerAccessor.GetDesignModeState()

如需這個成員的說明,請參閱 GetDesignModeState()For a description of this member, see GetDesignModeState().

(Inherited from Control)
IControlDesignerAccessor.SetDesignModeState(IDictionary) IControlDesignerAccessor.SetDesignModeState(IDictionary) IControlDesignerAccessor.SetDesignModeState(IDictionary) IControlDesignerAccessor.SetDesignModeState(IDictionary)

如需這個成員的說明,請參閱 SetDesignModeState(IDictionary)For a description of this member, see SetDesignModeState(IDictionary).

(Inherited from Control)
IControlDesignerAccessor.SetOwnerControl(Control) IControlDesignerAccessor.SetOwnerControl(Control) IControlDesignerAccessor.SetOwnerControl(Control) IControlDesignerAccessor.SetOwnerControl(Control)

如需這個成員的說明,請參閱 SetOwnerControl(Control)For a description of this member, see SetOwnerControl(Control).

(Inherited from Control)
IParserAccessor.AddParsedSubObject(Object) IParserAccessor.AddParsedSubObject(Object) IParserAccessor.AddParsedSubObject(Object) IParserAccessor.AddParsedSubObject(Object)

如需這個成員的說明,請參閱 AddParsedSubObject(Object)For a description of this member, see AddParsedSubObject(Object).

(Inherited from Control)
IPostBackEventHandler.RaisePostBackEvent(String) IPostBackEventHandler.RaisePostBackEvent(String) IPostBackEventHandler.RaisePostBackEvent(String) IPostBackEventHandler.RaisePostBackEvent(String)

將頁面張貼至伺服器時,引發 Tick 事件。Raises the Tick event when a page is posted to the server.

IScriptControl.GetScriptDescriptors() IScriptControl.GetScriptDescriptors() IScriptControl.GetScriptDescriptors() IScriptControl.GetScriptDescriptors()

從傳遞至用戶端元件的 Timer 物件中擷取屬性。Retrieves properties from a Timer object that are passed to the client component.

IScriptControl.GetScriptReferences() IScriptControl.GetScriptReferences() IScriptControl.GetScriptReferences() IScriptControl.GetScriptReferences()

擷取 Timer 控制項的用戶端指令碼。Retrieves the client script for the Timer control.

擴充方法

FindDataSourceControl(Control) FindDataSourceControl(Control) FindDataSourceControl(Control) FindDataSourceControl(Control)

傳回與指定之控制項的資料控制項相關聯的資料來源。Returns the data source that is associated with the data control for the specified control.

FindFieldTemplate(Control, String) FindFieldTemplate(Control, String) FindFieldTemplate(Control, String) FindFieldTemplate(Control, String)

傳回在指定之控制項的命名容器中所指定資料行的欄位樣板。Returns the field template for the specified column in the specified control's naming container.

FindMetaTable(Control) FindMetaTable(Control) FindMetaTable(Control) FindMetaTable(Control)

傳回包含資料控制項的中繼資料表物件。Returns the metatable object for the containing data control.

適用於