📄 将多列组织到一个标题下.txt
字号:
要点
用一个空标题的列占据一个位置
处理ItemCreated事件，删除多余单元格，扩展两个表列
1.页面
<%@ Page language="c#" Codebehind="MyTemp.aspx.cs" AutoEventWireup="false" Inherits="Co_112.MyTemp" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>MyTemp</title>
<meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
<meta content="C#" name="CODE_LANGUAGE">
<meta content="JavaScript" name="vs_defaultClientScript">
<meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<asp:datagrid id="DataGrid1" style="Z-INDEX: 101; LEFT: 96px; POSITION: absolute; TOP: 56px" runat="server"
AllowCustomPaging="True" AutoGenerateColumns="False">
<Columns>
<asp:BoundColumn DataField="employeeid" HeaderText="ID">
<ItemStyle BackColor="lightblue" Font-Bold="True"></ItemStyle>
</asp:BoundColumn>
<asp:BoundColumn DataField="titleofcourtesy"></asp:BoundColumn>
<asp:TemplateColumn HeaderText="EmployeeName">
<ItemTemplate>
<asp:Label id=Label1 runat="server" Text='<%# "<b>"+DataBinder.Eval(Container.DataItem,"LastName")+"</b>"+","+DataBinder.Eval(Container.DataItem,"FirstName") %>'>
</asp:Label>
</ItemTemplate>
</asp:TemplateColumn>
</Columns>
</asp:datagrid></form>
</body>
</HTML>
2.代码
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
namespace Co_112
{
/// <summary>
/// MyTemp 的摘要说明。
/// </summary>
public class MyTemp : System.Web.UI.Page
{
protected System.Web.UI.WebControls.DataGrid DataGrid1;
private void Page_Load(object sender, System.EventArgs e)
{
if(!Page.IsPostBack)
{
Display();
}
}
private void Display()
{
string strConn,strCmd;
strConn="server=localhost;uid=sa;pwd=;database=Northwind";
strCmd="Select employeeid,titleofcourtesy,employeeid,firstName,lastName From employees";
SqlDataAdapter oCMD=new SqlDataAdapter(strCmd,strConn);
DataSet oDS=new DataSet();
oCMD.Fill(oDS,"MyList");
DataTable dt=oDS.Tables["MyList"];
DataGrid1.DataSource=oDS.Tables["MyList"];
DataGrid1.DataBind();
oDS.Dispose();
oDS=null;
oCMD.Dispose();
oCMD=null;
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.DataGrid1.ItemCreated += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemCreated);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{
ListItemType lit=e.Item.ItemType;
if(lit==ListItemType.Header)
{
TableCell cell;
cell=(TableCell)e.Item.Cells[1];
e.Item.Cells.Remove(cell);
cell=(TableCell)e.Item.Cells[1];
cell.ColumnSpan=2;
}
}
}
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