为DataGrid添加自动编号功能 (转)[@more@]
为DataGrid添加自动编号功能
do.NETplayground.com/">http://lucky_elove.www1.dotnetplayground.com/
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。
ASPx">查看例子
DataGridWithLine.aspx
web.DataGridWithLine"%>
w3c//DTD HTML 4.0 Transitional//EN">
DataGridWithLine
microsoft Visual Studio .net 7.0">
Visual Basic 7.0">
Javascript">
intellisense/IE5">
RM id="Form1" method="post" runat="server">
DataGridWithLine.aspx.vb
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。
buggerStepThrough()> 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
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/10752019/viewspace-958427/
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