GridViewEditEventArgs.NewEditIndex プロパティ
アセンブリ: System.Web (system.web.dll 内)

Dim instance As GridViewEditEventArgs Dim value As Integer value = instance.NewEditIndex instance.NewEditIndex = value
/** @property */ public int get_NewEditIndex () /** @property */ public void set_NewEditIndex (int value)
編集される行インデックス。

NewEditIndex プロパティを使用して、編集される行のインデックスを確認します。行インデックスは、GridView コントロールの Rows コレクションからこの行を取得する場合によく使用されます。これにより、行のプロパティにアクセスできます。

NewEditIndex プロパティを使用して、編集される行のインデックスを確認する方法を次の例に示します。
<%@ Page language="VB" %> <script runat="server"> Sub CustomersGridView_RowEditing(ByVal sender As Object, ByVal e As GridViewEditEventArgs) ' Get the country for the row being edited. For this example, the ' country is contained in the seventh column (index 6). Dim country As String = CustomersGridView.Rows(e.NewEditIndex).Cells(6).Text ' For this example, cancel the edit operation if the user attempts ' to edit the record of a customer from the United States. If country = "USA" Then ' Cancel the edit operation. e.Cancel = True Message.Text = "You cannot edit this record." Else Message.Text = "" End If End Sub </script> <html> <body> <form runat="server"> <h3>GridView RowEditing Example</h3> <asp:label id="Message" forecolor="Red" runat="server"/> <br/> <!-- The GridView control automatically sets the columns --> <!-- specified in the datakeynames property as read-only. --> <!-- No input controls are rendered for these columns in --> <!-- edit mode. --> <asp:gridview id="CustomersGridView" datasourceid="CustomersSqlDataSource" autogeneratecolumns="true" autogenerateeditbutton="true" allowpaging="true" datakeynames="CustomerID" onrowediting="CustomersGridView_RowEditing" runat="server"> </asp:gridview> <!-- 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="CustomersSqlDataSource" selectcommand="Select [CustomerID], [CompanyName], [Address], [City], [PostalCode], [Country] From [Customers]" updatecommand="Update Customers SET CompanyName=@CompanyName, Address=@Address, City=@City, PostalCode=@PostalCode, Country=@Country WHERE (CustomerID = @CustomerID)" connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>" runat="server"> </asp:sqldatasource> </form> </body> </html>
<%@ Page language="C#" %> <script runat="server"> void CustomersGridView_RowEditing(Object sender, GridViewEditEventArgs e) { // Get the country for the row being edited. For this example, the // country is contained in the seventh column (index 6). String country = CustomersGridView.Rows[e.NewEditIndex].Cells[6].Text; // For this example, cancel the edit operation if the user attempts // to edit the record of a customer from the Unites States. if (country == "USA") { // Cancel the edit operation. e.Cancel = true; Message.Text = "You cannot edit this record."; } else { Message.Text = ""; } } </script> <html> <body> <form runat="server"> <h3>GridView RowEditing Example</h3> <asp:label id="Message" forecolor="Red" runat="server"/> <br/> <!-- The GridView control automatically sets the columns --> <!-- specified in the datakeynames property as read-only. --> <!-- No input controls are rendered for these columns in --> <!-- edit mode. --> <asp:gridview id="CustomersGridView" datasourceid="CustomersSqlDataSource" autogeneratecolumns="true" autogenerateeditbutton="true" allowpaging="true" datakeynames="CustomerID" onrowediting="CustomersGridView_RowEditing" runat="server"> </asp:gridview> <!-- 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="CustomersSqlDataSource" selectcommand="Select [CustomerID], [CompanyName], [Address], [City], [PostalCode], [Country] From [Customers]" updatecommand="Update Customers SET CompanyName=@CompanyName, Address=@Address, City=@City, PostalCode=@PostalCode, Country=@Country WHERE (CustomerID = @CustomerID)" connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>" runat="server"> </asp:sqldatasource> </form> </body> </html>

Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
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