[原创]ASP.net下DataGrid的单项选择控件
#region 声明
//----------------------------------------------------------------------
//
// 作者: 李淼（Nick.Lee）
//
// ASP.net下DataGrid的单项选择控件
// 时间:2005-3-15
// boyorgril@msn.com
// QQ:16503096
//注意：引用请标明出处,谢谢
//----------------------------------------------------------------------
#endregion
前台：
<%@ Control Language='c#' AutoEventWireup='false' Codebehind='WebUserControl1.ascx.cs' Inherits='message1.WebUserControl1' TargetSchema='http://schemas.microsoft.com/intellisense/ie5'%>
<LINK href='xpTable.css' type='text/css' rel='stylesheet'>
<asp:DataGrid id='DataGrid1' runat='server' BorderStyle='None' BorderWidth='1px' CellPadding='4'
Font-Size='9pt' Width='70%' BorderColor='#3366CC'>
<SelectedItemStyle Font-Bold='True' ForeColor='#CCFF99' BackColor='#009999'></SelectedItemStyle>
<ItemStyle ForeColor='#003399' BackColor='White'></ItemStyle>
<HeaderStyle Font-Bold='True' ForeColor='#CCCCFF' BackColor='#003399'></HeaderStyle>
<FooterStyle ForeColor='#003399' BackColor='#99CCCC'></FooterStyle>
<Columns>
<asp:TemplateColumn>
<ItemTemplate>
<INPUT type=radio value='<%# DataBinder.Eval(Container.DataItem, 'Volume')%>' name=RadioName>
</ItemTemplate>
</asp:TemplateColumn>
</Columns>
<PagerStyle HorizontalAlign='Left' ForeColor='#003399' BackColor='#99CCCC' Mode='NumericPages'></PagerStyle>
</asp:DataGrid>
<asp:Button id='Button1' runat='server' Text='Button'></asp:Button><INPUT id='rd' type='hidden' name='rd' runat='server'>
<asp:Label id='Label1' runat='server'>Label</asp:Label>
后台：
namespace message1
{
using System;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.OleDb;
using System.ComponentModel;
using NickLee.Web.UI;
/// <summary>
/// WebUserControl1 的摘要说明。
/// </summary>
public class WebUserControl1 : System.Web.UI.UserControl
{
protected System.Web.UI.WebControls.DataGrid DataGrid1;
protected System.Web.UI.HtmlControls.HtmlInputHidden rd;
protected System.Web.UI.WebControls.Label Label1;
public DataSet custDS = new DataSet();
protected System.Web.UI.WebControls.Button Button1;
private string sql;
public string Sql
{
get{return sql;}
set{sql=value;}
}
//------------------------------------------------------------------------------------
/// <summary>
/// 窗体名
/// </summary>
System.Web.UI.Page _page;
[BrowsableAttribute(true),CategoryAttribute('Appearance'),BindableAttribute(true)]
public System.Web.UI.Page page
{
get
{
return _page;
}
set
{
_page=value;
}
}
private void Page_Load(object sender, System.EventArgs e)
{
string js = '';
// js+='<script>\r\n';
js+='function ld(){\r\n';
js+='for(i=0;i<document.getElementsByName('RadioName').length;i++)\r\n';
js+='if(document.getElementsByName('RadioName')[i].value==';
js+='document.getElementById('' + rd.ClientID + '').value) ';
js+='document.getElementsByName('RadioName')[i].checked=true\r\n';
js+='}\r\n';
js+='window.onload=ld\r\n';
// js+='</'+'script>\r\n';
// _page.RegisterStartupScript('js',js);
webJSUtil.ExecuteStartup(_page,js);
}
#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.ItemCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_ItemCommand);
this.DataGrid1.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemDataBound);
this.DataGrid1.SelectedIndexChanged += new System.EventHandler(this.DataGrid1_SelectedIndexChanged);
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{
#region 取得当前列的主键和复选框的值
if (e.Item.ItemType == ListItemType.AlternatingItem | e.Item.ItemType == ListItemType.Item)
{
e.Item.Attributes.Add('onMouseDown', 'Form1.action='?event=' + e.Item.Cells[2].Text.Replace(''', '''') + ''');
string openView='window.open('./WebForm2.aspx?event='+e.Item.Cells[2].Text.ToString()+'', '双击查看窗口', 'height=230, width=300, top=200, left=200, toolbar=no, menubar=no, scrollbars=no, resizable=no,location=no, status=no')';
e.Item.Attributes.Add('ondblclick',openView);
e.Item.Cells[2].Text = '<nobr>' + e.Item.Cells[2].Text + '</nobr>';
}
#endregion
}
public void ssss()
{
// // 在此处放置用户代码以初始化页面
string fileNameString = this.MapPath('.');
fileNameString += '\\chartdata.mdb';
string myConnectionString = 'PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source=' + fileNameString;
string mySelectQuery=sql;
// Open data base connection
OleDbConnection myConnection = new OleDbConnection(myConnectionString);
OleDbCommand myCommand = new OleDbCommand(mySelectQuery, myConnection);
myCommand.Connection.Open();
// Fill data set object
OleDbDataAdapter custDA = new OleDbDataAdapter();
custDA.SelectCommand = myCommand;
custDA.Fill(custDS,'default');
myCommand.Connection.Close();
DataGrid1.DataSource=custDS.Tables['default'].DefaultView;
DataGrid1.DataBind();
}
private void DataGrid1_ItemCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
{
Session['sss']=e.Item.Cells[1].ToString();
}
private void Button1_Click(object sender, System.EventArgs e)
{
// Button1.ToolTip=Session['sss'].ToString();
if(Request.Form['RadioName'] != null)
{
rd.Value = Request.Form['RadioName'].ToString();
Label1.Text = '您所选择的是：<font color=red>' + Request.Form['RadioName'].ToString() +'</font>';
}
else
{
this.Label1.Text='NULL';
}
}
private void DataGrid1_SelectedIndexChanged(object sender, System.EventArgs e)
{
}
}
}