asp.net 动态添加多个用户控件

时间:2022-01-01 16:27:52

用户控件代码: 
代码WebControls 

复制代码代码如下:


using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Web; 
using System.Web.UI; 
using System.Web.UI.WebControls; 
namespace xuyuanwang.myControl 

public partial class Lablexuyuan : System.Web.UI.UserControl 

string a = "ok"; 
public string A 

set 

a = value; 

get 

return a; 


protected void Page_Load(object sender, EventArgs e) 

Label1.Text = A; 



aspx页面代码: 
代码 

复制代码代码如下:


public partial class WebForm1 : System.Web.UI.Page 

protected void Page_Load(object sender, EventArgs e) 


protected void Button1_Click(object sender, EventArgs e) 

myControl.Lablexuyuan ctl = (myControl.Lablexuyuan)Page.LoadControl("myControl/Lablexuyuan.ascx"); 
ctl.A = this.TextBox1.Text; 
ArrayList list = addl(ctl); 
for (int i = 0; i < list.Count; i++) 

myControl.Lablexuyuan ctl2 = (myControl.Lablexuyuan)list[i]; 
this.UpdatePanel1.ContentTemplateContainer.Controls.Add(ctl2); 


private System.Collections.ArrayList addl(myControl.Lablexuyuan l) 

System.Collections.ArrayList list = null; 
if (Session["a"] != null) 

list = (ArrayList)Session["a"]; 

else 

list = new ArrayList(); 

list.Add(l); 
Session["a"] = list; 
return list;