UpdatePanelRenderMode 枚举

定义

表示页上 UpdatePanel 控件内容的可能的布局呈现选项。Represents the possible layout rendering options for the content of an UpdatePanel control on a page.

public enum class UpdatePanelRenderMode
public enum UpdatePanelRenderMode
type UpdatePanelRenderMode = 
Public Enum UpdatePanelRenderMode
继承
UpdatePanelRenderMode

字段

Block 0

指定将 UpdatePanel 控件内容呈现在 HTML 元素 <div> 的内部。Specifies that the content of the UpdatePanel control is rendered inside an HTML <div> element.

Inline 1

指定将 UpdatePanel 控件内容呈现在 HTML 元素 <span> 的内部。Specifies that the content of the UpdatePanel control is rendered inside an HTML <span> element.

示例

下面的示例演示如何以声明方式将 UpdatePanel.RenderMode 属性设置为 InlineThe following example shows how to declaratively set the UpdatePanel.RenderMode property to Inline. UpdatePanel控件包含一个字符串,该字符串表示页面的回发数量。The UpdatePanel control contains a string that represents the number of postbacks from the page. 内容与环绕文本一起嵌入。The contents are rendered inline with the surrounding text.


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

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

<script runat="server">
    protected int PostBackCount
    {
        get
        {
            return (int)(ViewState["PostBackCount"] ?? 0);
        }
        set
        {
            ViewState["PostBackCount"] = value;
        }
    }
    protected void Page_Load(object sender, EventArgs e)
    {
        if (IsPostBack)
        {
            PostBackCount++;
        }
    }

</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>UpdatePanelRenderMode Example</title>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <asp:ScriptManager ID="ScriptManager1"
                               runat="server" />
            The number of times you have clicked the button is
            <asp:UpdatePanel ID="UpdatePanel1"
                             UpdateMode="Conditional"
                             RenderMode="Inline"
                             runat="server">
                <ContentTemplate>
                    <%= PostBackCount.ToString() %>
                    times. Every time you click the count is incremented. The panel
                    containing the number of times you clicked is rendered in-line.
                    <br />
                    <asp:Button ID="Button1"
                                Text="Increment"
                                runat="server" />
                </ContentTemplate>
            </asp:UpdatePanel>
        </div>
    </form>
</body>
</html>

<%@ Page Language="VB" %>

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

<script runat="server">
    Protected Property PostBackCount As Integer
        Get
            If Not ViewState("PostBackCount") Is Nothing Then
                Return ViewState("PostBackCount")
            Else : Return 0
            End If
        End Get
        Set(ByVal value As Integer)
            ViewState("PostBackCount") = Value
        End Set
    End Property
    
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)
        If IsPostBack Then
            PostBackCount += 1
        End If
    End Sub
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>UpdatePanelRenderMode Example</title>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <asp:ScriptManager ID="ScriptManager1"
                               runat="server" />
            The number of times you have clicked the button is
            <asp:UpdatePanel ID="UpdatePanel1"
                             RenderMode="Inline"
                             runat="server">
                <ContentTemplate>
                    <%= PostBackCount.ToString() %>
                    times. Every time you click the count is incremented. The panel
                    containing the number of times you clicked is rendered in-line.
                    <br />
                    <asp:Button ID="Button1"
                                Text="Increment"
                                runat="server" />
                </ContentTemplate>
            </asp:UpdatePanel>
        </div>
    </form>
</body>
</html>

注解

UpdatePanelRenderMode枚举定义要使用哪些 HTML 元素来包含控件的内容 UpdatePanelThe UpdatePanelRenderMode enumeration defines which HTML elements to use to enclose the content of the UpdatePanel control. UpdatePanel.RenderMode属性必须是枚举值之一 UpdatePanelRenderModeThe UpdatePanel.RenderMode property must be one of the values of the UpdatePanelRenderMode enumeration. 控件的内容 UpdatePanel 可以在 HTML <div> 元素或元素中呈现 <span>The content of an UpdatePanel control can be rendered inside either an HTML <div> element or a <span> element.

默认 RenderMode 属性值为 BlockThe default RenderMode property value is Block.

适用于

另请参阅