1.baseUserControl.ascx:
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="baseUserControl.ascx.cs" Inherits="baseUserControl" %>
<asp:Button ID="btn1" runat="server" Text="hi" OnClick="btn1_Click" />
baseUserControl.ascx.ca:
public partial class baseUserControl : System.Web.UI.UserControl
{
protected void Page_Load(object sender, EventArgs e)
{
}
public event EventHandler myClick;
protected void btn1_Click(object sender, EventArgs e)
{
Session["btn_id"] = btn1.ID;
if (myClick != null)
{
EventArgs args = new EventArgs();
myClick(this, args);
}
}
}
2.TestUserControl.ascx:
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="TestUserControl.ascx.cs" Inherits="TestUserControl" %>
<%@ Register Src="baseUserControl.ascx" TagName="baseUserControl" TagPrefix="uc1" %>
<asp:Table ID="test" BorderWidth="1" GridLines="Both" runat="server" >
<asp:TableRow>
</asp:TableRow>
</asp:Table>
<asp:Label ID="l1" runat="server" ></asp:Label>
TestUserControl.ascx.cs:
public partial class TestUserControl : System.Web.UI.UserControl
{
protected void Page_Load(object sender, EventArgs e)
{
doFunction();
}
private void doFunction()
{
test.Rows[0].Cells.Clear();
TableCell tc1 = new TableCell();
baseUserControl c_1 = (baseUserControl)LoadControl("baseUserControl.ascx");
c_1.ID = "1";
c_1.myClick += new EventHandler(c_b_Click);
tc1.Controls.Add(c_1);
test.Rows[0].Cells.Add(tc1);
}
protected void c_b_Click(object sender, EventArgs e)／／就是这个event，点两次才执行一次．why?
{
doFunction();//重新生成这个table,是必须的．
l1.Text = l1.Text + "a";
}
}
3.test.aspx:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="test.aspx.cs" Inherits="test" %>
<%@ Register Src="TestUserControl.ascx" TagName="TestUserControl" TagPrefix="uc1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<link rel="stylesheet" type="text/css" href="mla.css" />
<title>Untitled Page</title>
</head>
<body>
<form id="loungeForm" runat="server">
<uc1:TestUserControl ID="TestUserControl1" runat="server" />
</form>
</body>
</html>