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下面的代码实现在DataGrid中添加自动编号的功能，主要是在数据绑定时利用Item属性。 M7ELinux联盟
M7ELinux联盟
查看例子 M7ELinux联盟
M7ELinux联盟
DataGridWithLine.aspx M7ELinux联盟
<%@ Page Language="vb" AutoEventWireup="false" Codebehind="DataGridWithLine.aspx.vb" Inherits="aspxWeb.DataGridWithLine"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <title>DataGridWithLine</title> <meta name="GENERATOR" content="Microsoft Visual Studio .NET 7.0"> <meta name="CODE_LANGUAGE" content="Visual Basic 7.0"> <meta name="vs_defaultClientScript" content="JavaScript"> <meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5"> </HEAD> <body MS_POSITIONING="GridLayout"> <form id="Form1" method="post" runat="server"> <asp:DataGrid id="DataGrid1" runat="server" AutoGenerateColumns="False"> <HeaderStyle Font-Bold="True" Wrap="False" HorizontalAlign="Center"></HeaderStyle> <Columns> <asp:TemplateColumn></asp:TemplateColumn> <asp:BoundColumn DataField="Title"></asp:BoundColumn> <asp:BoundColumn DataField="CreateDate" DataFormatString="{0:yyyy-M-d h:m:s}"></asp:BoundColumn> </Columns> </asp:DataGrid> </form> </body> </HTML> M7ELinux联盟
M7ELinux联盟
DataGridWithLine.aspx.vb M7ELinux联盟
Imports System Imports System.Data Imports System.Data.OleDb Public Class DataGridWithLine Inherits System.Web.UI.Page Protected WithEvents DataGrid1 As System.Web.UI.WebControls.DataGrid #Region " Web 窗体设计器生成的代码 " '该调用是 Web 窗体设计器所必需的。 <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() End Sub Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init 'CODEGEN: 此方法调用是 Web 窗体设计器所必需的 '不要使用代码编辑器修改它。 InitializeComponent() End Sub #End Region Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load DataGrid1.Columns(0).HeaderText = "序号" DataGrid1.Columns(1).HeaderText = "文章标题" DataGrid1.Columns(2).HeaderText = "创建日期" Dim cnString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("Test.mdb") Dim strSQL As String = "SELECT TOP 21 Title,CreateDate FROM Document ORDER By CreateDate DESC" Dim cn As New OleDbConnection(cnString) cn.Open() Dim cmd As New OleDbCommand(strSQL, cn) Dim db As OleDbDataReader db = cmd.ExecuteReader(CommandBehavior.CloseConnection) DataGrid1.DataSource = db DataGrid1.DataBind() cn.Close() cn = Nothing cmd = Nothing db.Close() db = Nothing End Sub Private Sub DataGrid1_ItemDataBound(ByVal sender As Object, _ ByVal e As System.Web.UI.WebControls.DataGridItemEventArgs) Handles DataGrid1.ItemDataBound If e.Item.ItemIndex <> -1 Then e.Item.Cells(0).Text = e.Item.ItemIndex + 1 End If End Sub End Class
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