DetailsView.ChangeMode(DetailsViewMode) Method

Reference

Definition

Namespace:: System.Web.UI.WebControls

Assembly:: System.Web.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Switches the DetailsView control to the specified mode.

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)

Parameters

newMode: DetailsViewMode

One of the DetailsViewMode values.

Examples

The following code example demonstrates how to use the ChangeMode method to return the DetailsView control to read-only mode whenever the user navigates to another record.


<%@ 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>

Remarks

Use the ChangeMode method to programmatically switch the DetailsView control between edit, insert, and read-only mode. This method also updates the CurrentMode property with the specified mode. The following table lists the different mode values.

Mode	Description
`DetailsViewMode.Edit`	The DetailsView control is in edit mode, which allows the user to update the values of a record.
`DetailsViewMode.Insert`	The DetailsView control is in insert mode, which allows the user to add a new record to the data source.
`DetailsView.ReadOnly`	The DetailsView control is in read-only mode, which is the normal display mode.

Applies to

Partilhar via