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创建跨多列、多行表头的DataGrid

王朝other·作者佚名  2006-11-24
窄屏简体版  字體: |||超大  

在使用DataGrid时,有时候需要表头跨列、多行,下面的代码就是实现这个功能的代码。

查看例子

ShowColSpanHeader.ASPx

<%@ Page Language="<a href="http://dev.21tx.com/language/vb/" target="_blank">VB</a>" AutoEventWireup="false" Codebehind="ShowColSpanHeader.aspx.vb"

Inherits="aspx<a href="http://dev.21tx.com/web/" target="_blank">Web</a>.mengxianhui.com.ShowColSpanHeader"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<HTML>

<HEAD>

<title id="lucky_elove" runat=server></title>

<meta name="GENERATOR" content="Microsoft Visual Studio<a href="http://dev.21tx.com/dotnet/" target="_blank">.net</a> 7.0">

<meta name="CODE_LANGUAGE" content="Visual Basic 7.0">

<meta name="vs_defaultClientScript" content="<a href="http://dev.21tx.com/web/javascript/" target="_blank">JavaScript</a>">

<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">

</HEAD>

<body MS_POSITIONING="GridLayout" leftmargin="0">

<form id="Form1" method="post" runat="server">

<TABLE id="Table1" runat="server" cellSpacing="1" cellPadding="2" width="780" border="1"

bgcolor="#cc6633" bordercolor="#cc9966" style="FONT-SIZE:9pt;BORDER-BOTTOM:0px">

<TR align="center">

<TD colspan="2" width="580"></TD>

<TD width="200" colspan="2"></TD>

</TR>

<TR align="center">

<TD width="400" bgcolor="#66cc99"></TD>

<TD width="180" bgcolor="white"></TD>

<TD width="160" bgcolor="#99cccc"></TD>

<TD width="40" bgcolor="#009999"></TD>

</TR>

</TABLE>

<asp:DataGrid id="DataGrid1" width="780px" AlternatingItemStyle-BackColor="#6699ff"

CellPadding="2" CellSpacing="1" BorderWidth="1" BorderColor="#cc9966" Font-Size="9pt"

runat="server" ShowHeader="False" AutoGenerateColumns="False">

<Columns>

<asp:BoundColumn DataField="Title">

<ItemStyle Width="400px"></ItemStyle>

</asp:BoundColumn>

<asp:BoundColumn DataField="CreateDate">

<ItemStyle Width="180px"></ItemStyle>

</asp:BoundColumn>

<asp:BoundColumn DataField="pid">

<ItemStyle Width="160px"></ItemStyle>

</asp:BoundColumn>

<asp:BoundColumn DataField="HitCount">

<ItemStyle Width="40px"></ItemStyle>

</asp:BoundColumn>

</Columns>

</asp:DataGrid>

</form>

</body>

</HTML>

ShowColSpanHeader.aspx.vb

Imports System

Imports System.Data

Imports System.Data.OleDb

Public Class ShowColSpanHeader

Inherits System.Web.UI.Page

Protected WithEvents Table1 As System.Web.UI.HtmlControls.HtmlTable

Protected WithEvents DataGrid1 As System.Web.UI.WebControls.DataGrid

Protected WithEvents lucky_elove As HtmlControls.HtmlGenericControl

#Region " Web Form Designer Generated Code "

'This call is required by the Web Form Designer.

<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: This method call is required by the Web Form Designer

'Do not modify it using the code editor.

InitializeComponent()

End Sub

#End Region

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) _

Handles MyBase.Load

lucky_elove.InnerText = "【孟宪会之精彩世界】 - 跨栏表头的实现"

Table1.Rows(0).Cells(0).InnerText = "【孟宪会之精彩世界】.NET版本之最新文章"

Table1.Rows(0).Cells(1).InnerText = "文章信息"

Table1.Rows(1).Cells(0).InnerText = "文章标题"

Table1.Rows(1).Cells(1).InnerText = "发布时间"

Table1.Rows(1).Cells(2).InnerText = "所属栏目"

Table1.Rows(1).Cells(3).InnerText = "点击率"

Table1.Rows(0).Style.Add("color", "white")

Table1.Rows(0).Style.Add("font-weight", "bold")

Table1.Rows(0).Cells(0).Attributes.Add("onclick", _

"window.open('http://lucky_elove.www1.dotnetplayground.com/')")

Table1.Rows(0).Cells(0).Style.Add("cursor", "hand")

Try

Dim cnString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" _

+ Server.MapPath("Test.mdb")

Dim cn As New OleDbConnection(cnString)

cn.Open()

Dim strSQL As String = "SELECT TOP 20 D.Title,D.CreateDate,S.Title as pid,D.HitCount "_

+ "FROM Document D INNER JOIN Subject S ON D.pid = S.id ORDER BY CreateDate DESC"

Dim cmd As New OleDbCommand(strSQL, cn)

DataGrid1.DataSource = cmd.ExecuteReader

DataGrid1.DataBind()

cn.Close()

cn = Nothing

Catch eOle As OleDbException

Response.Write("产生错误:" + eOle.Message)

End Try

End Sub

Private Sub DataGrid1_ItemDataBound(ByVal sender As Object, _

ByVal e As System.Web.UI.WebControls.DataGridItemEventArgs) Handles DataGrid1.ItemDataBound

If e.Item.ItemType = ListItemType.Item Or e.Item.ItemType = ListItemType.AlternatingItem Then

If e.Item.Cells(0).Text.Length > 26 Then

e.Item.Cells(0).Attributes.Add("Title", e.Item.Cells(0).Text)

e.Item.Cells(0).Text = e.Item.Cells(0).Text.Substring(0, 26) + "…"

End If

e.Item.Cells(1).Text=Format(System.Convert.ToDateTime(e.Item.Cells(1).Text),"yyyy年M月d日 h点m分s秒")

End If

End Sub

End Class

 
 
 
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