Create a new project.
add item -> select "Web User Control" -> add
Write the following code in WebUserControl.ascx file :-
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="WebUserControl.ascx.cs" Inherits="WebUserControl" %>
<asp:Button ID="btnTest" runat="server" Text="This is from User Control"
OnClick="btnTest_Click" ForeColor="#FF0066" />
Then add code in the button event
WebUserControl.ascx.cs
public partial class WebUserControl : System.Web.UI.UserControl
{
public delegate void OnButtonClick(string strValue);
public event OnButtonClick btnHandler;
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnTest_Click(object sender, EventArgs e)
{
if (btnHandler != null)
btnHandler(string.Empty);
Response.Write("<h3>User Control’s Button Click</h3> <BR /> <BR />");
}
}
now add new item -> web form -> add
Write the following code in the default.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<%@ Register Src="WebUserControl.ascx" TagName="WebUserControl" TagPrefix="WUC1" %>
<!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">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="lblText" Text="This is On Main Page : " runat="server"></asp:Label>
<asp:DropDownList ID="ddlTemp" runat="server">
<asp:ListItem>Mahi</asp:ListItem>
<asp:ListItem>Zoya</asp:ListItem>
<asp:ListItem>Aditi</asp:ListItem>
</asp:DropDownList>
<br />
<br />
<WUC1:WebUserControl ID="WebUserControl1" runat="server" />
</div>
</form>
</body>
</html>
save all files and run it in the browser.
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