UpdatePanelRenderMode 枚举

  • 参考

定义

命名空间:
System.Web.UI
程序集:
System.Web.Extensions.dll

表示页上 UpdatePanel 控件内容的可能的布局呈现选项。

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

字段

Block 0

指定将 UpdatePanel 控件内容呈现在 HTML 元素 <div> 的内部。
Inline 1

指定将 UpdatePanel 控件内容呈现在 HTML 元素 <span> 的内部。

示例

下面的示例演示如何以声明方式将 UpdatePanel.RenderMode 属性设置为 Inline. 该 UpdatePanel 控件包含一个字符串，表示页中的回发数。 内容与周围的文本内联呈现。


<%@ 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

枚举 UpdatePanelRenderMode 定义用于将控件内容括起来的 UpdatePanel HTML 元素。 该 UpdatePanel.RenderMode 属性必须是枚举的值 UpdatePanelRenderMode 之一。 控件的内容 UpdatePanel 可以在 HTML <div> 元素或 <span> 元素内呈现。

默认 RenderMode 属性值为 Block.

适用于

另请参阅