通过

DetailsView.ChangeMode(DetailsViewMode) 方法

  • 参考

定义

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

将 DetailsView 控件切换为指定模式。

public:
 void ChangeMode(System::Web::UI::WebControls::DetailsViewMode newMode);
public void ChangeMode (System.Web.UI.WebControls.DetailsViewMode newMode);
member this.ChangeMode : System.Web.UI.WebControls.DetailsViewMode -> unit
Public Sub ChangeMode (newMode As DetailsViewMode)

参数

newMode
DetailsViewMode

DetailsViewMode 值之一。

示例

下面的代码示例演示如何在用户导航到另一条记录时使用 ChangeMode 该方法将控件返回到 DetailsView 只读模式。


<%@ 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">

  void CustomerDetailView_PageIndexChanged(Object sender, EventArgs e)
  {
    // By default, if the DetailsView control is in edit mode and
    // user navigates to another page, the DetailsView control
    // remains in edit mode. In this example, the ChangeMode 
    // method is used to put the DetailsView control in read-only  
    // mode whenever the user navigates to another record.
      CustomerDetailView.ChangeMode(DetailsViewMode.ReadOnly);
  }

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>DetailsView ChangeMode Example</title>
</head>
<body>
    <form id="Form1" runat="server">
        
      <h3>DetailsView ChangeMode Example</h3>
                
        <asp:detailsview id="CustomerDetailView"
          datasourceid="DetailsViewSource"
          datakeynames="CustomerID"
          autogenerateeditbutton="true"  
          autogeneraterows="true"
          allowpaging="true"
          OnPageIndexChanged="CustomerDetailView_PageIndexChanged"
          runat="server">
               
          <fieldheaderstyle backcolor="Navy"
            forecolor="White"/>
                    
        </asp:detailsview>
        
        <!-- This example uses Microsoft SQL Server and connects  -->
        <!-- to the Northwind sample database. Use an ASP.NET     -->
        <!-- expression to retrieve the connection string value   -->
        <!-- from the web.config file.                            -->
        <asp:SqlDataSource ID="DetailsViewSource" runat="server" 
          ConnectionString=
            "<%$ ConnectionStrings:NorthWindConnectionString%>"
          InsertCommand="INSERT INTO [Customers]([CustomerID],
            [CompanyName], [Address], [City], [PostalCode], [Country]) 
            VALUES (@CustomerID, @CompanyName, @Address, @City, 
            @PostalCode, @Country)"
          SelectCommand="Select [CustomerID], [CompanyName], 
            [Address], [City], [PostalCode], [Country] From 
            [Customers]">
        </asp:SqlDataSource>
    </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">

    Sub CustomerDetailView_PageIndexChanged(ByVal sender As Object, _
        ByVal e As EventArgs)
        ' By default, if the DetailsView control is in edit mode and
        ' user navigates to another page, the DetailsView control
        ' remains in edit mode. In this example, the ChangeMode 
        ' method is used to put the DetailsView control in read-only  
        ' mode whenever the user navigates to another record.
        CustomerDetailView.ChangeMode(DetailsViewMode.ReadOnly)
    End Sub

</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
  <head runat="server">
    <title>DetailsView ChangeMode Example</title>
</head>
<body>
    <form id="Form1" runat="server">
        
      <h3>DetailsView ChangeMode Example</h3>
                
        <asp:detailsview id="CustomerDetailView"
          datasourceid="DetailsViewSource"
          datakeynames="CustomerID"
          autogenerateeditbutton="true"  
          autogeneraterows="true"
          allowpaging="true"
          OnPageIndexChanged="CustomerDetailView_PageIndexChanged"
          runat="server">
               
          <fieldheaderstyle backcolor="Navy"
            forecolor="White"/>
                    
        </asp:detailsview>
        
        <!-- This example uses Microsoft SQL Server and connects  -->
        <!-- to the Northwind sample database. Use an ASP.NET     -->
        <!-- expression to retrieve the connection string value   -->
        <!-- from the web.config file.                            -->
        <asp:SqlDataSource ID="DetailsViewSource" runat="server" 
          ConnectionString=
            "<%$ ConnectionStrings:NorthWindConnectionString%>"
          InsertCommand="INSERT INTO [Customers]([CustomerID],
            [CompanyName], [Address], [City], [PostalCode], [Country]) 
            VALUES (@CustomerID, @CompanyName, @Address, @City, 
            @PostalCode, @Country)"
          SelectCommand="Select [CustomerID], [CompanyName], 
            [Address], [City], [PostalCode], [Country] From 
            [Customers]">
        </asp:SqlDataSource>
    </form>
  </body>
</html>

注解

ChangeMode使用此方法以编程方式在编辑、插入和只读模式之间切换DetailsView控件。 此方法还会使用指定的模式更新 CurrentMode 属性。 下表列出了不同的模式值。

“模式” 说明
DetailsViewMode.Edit 控件 DetailsView 处于编辑模式，允许用户更新记录的值。
DetailsViewMode.Insert 控件 DetailsView 处于插入模式，允许用户向数据源添加新记录。
DetailsView.ReadOnly 控件 DetailsView 处于只读模式，这是正常的显示模式。

适用于

另请参阅