040902 R DataGrid's RadioButton

最新推荐文章于 2019-12-29 21:27:57 发布

原创最新推荐文章于 2019-12-29 21:27:57 发布 · 969 阅读

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CC 4.0 BY-SA版权

文章标签：

#radiobutton #datagrid #string

博客给出了一段C#页面代码，包含Page指令设置语言、自动事件绑定和视图状态，还导入了System.Data命名空间。

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<html>
<script runat="server">
	DataTable Cart;
	DataView CartView;
	ICollection CreateDataSource() 
	{
		DataTable dt = new DataTable();
		DataRow dr;
		
		dt.Columns.Add(new DataColumn("IntegerValue", typeof(Int32)));
		dt.Columns.Add(new DataColumn("StringValue", typeof(string)));
		dt.Columns.Add(new DataColumn("CurrencyValue", typeof(double)));
		
		for (int i = 0; i < 101; i++) 
		{
			dr = dt.NewRow();		
			dr[0] = i;
			dr[1] = "Item " + i.ToString();
			dr[2] = 1.23 * (i+1); 
			dt.Rows.Add(dr);
		}
		
		DataView dv = new DataView(dt);
		return dv;
  }

  void Page_Load(Object sender, 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";
		this.RegisterStartupScript("js",js);
     if (!IsPostBack) 
     {
        ItemsGrid.DataSource = CreateDataSource();
        ItemsGrid.DataBind();
     }    
  } 
  void Grid_Change(Object sender, DataGridPageChangedEventArgs e) 
  {
     ItemsGrid.CurrentPageIndex = e.NewPageIndex;
     ItemsGrid.DataSource = CreateDataSource();
     ItemsGrid.DataBind();
  } 
  void btnClick(Object sender, EventArgs e) 
  {
  	if(Request.Form["RadioName"] != null)
  	{
  	rd.Value = Request.Form["RadioName"].ToString();
    Label1.Text = "&#24744;所&#36873;&#25321;的是：<font color=red>" + Request.Form["RadioName"].ToString() +"</font>";
    }
  } 
  
</script> 
<body>
<form runat="server" id=MM>
<input type="hidden" id=rd runat=server/>
<asp:DataGrid id="ItemsGrid" runat="server"
   BorderColor="black"  BorderWidth="1"
   CellPadding="3"  AllowPaging="true"
   AutoGenerateColumns="false"        
   OnPageIndexChanged="Grid_Change">
 <HeaderStyle BackColor="#00aaaa"></HeaderStyle>
 <PagerStyle Mode="NumericPages"></PagerStyle> 

 <Columns>
	<asp:TemplateColumn>
		<ItemTemplate>
		<input type=radio name="RadioName" value=''/>
		</ItemTemplate>
	</asp:TemplateColumn>	
	<asp:BoundColumn HeaderText="数字列" DataField="IntegerValue"/>	
	<asp:BoundColumn HeaderText="字符串列" DataField="StringValue"/>	
	<asp:BoundColumn HeaderText="&#36135;&#24065;列" DataField="CurrencyValue" DataFormatString="{0:c}">
	<ItemStyle HorizontalAlign="right"></ItemStyle>	
	</asp:BoundColumn>
</Columns>
</asp:DataGrid>
<br>
<asp:Button id="Btn" Text="看&#20320;&#36873;&#25321;的" OnClick="btnClick" runat="server"/>
<asp:Label id="Label1" Text="" runat="server"/>
</form>
</body>
</html>