how to user usercontrol from web application into my current web application

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I create a empty web application by vs2010 ,and add web usercontrol into it ,and here is code

ASP.NET

<%@ Control Language="C#" AutoEventWireup="true" CodeBehind="WebUserControl1.ascx.cs"
    Inherits="WebApplication1.WebUserControl1" ClassName="defined" %>
<asp:LinkButton ID="LinkButton1" runat="server">LinkButton</asp:LinkButton>

and i create other web apllication abd reference webapplication1 and use web usercontrol
here is code:

XML

<%@ Register Assembly="WebApplication1" Namespace="WebApplication1" TagPrefix="e12" %>
 <e12:WebUserControl1 runat="server" ID="gsadgas" />

but when i view the page in broswer , i found linkbutton is missing ,and i debug it , it says linkbutton is null , object not set to instance , why ? somebody who did this, please tell me how to do it . thank you very much , it make me very pain serval days, if you know ,please please tell me...thank you very much

Posted 18-Oct-13 3:29am

Jim parkson

Updated 18-Oct-13 3:32am

Kenneth Haugland

v2

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Timberbird 18-Oct-13 9:56am

Have you checked this article? Please note the following line: "Also, the only way to share the user control between applications is to put a separate copy in each application, which takes more maintenance if you make changes to the control"

JoCodes 18-Oct-13 13:24pm

yes you cannot share the usercontrol across applications unless u create a copy

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M Rayhan · Answer 1 · 2013-10-18T09:14:00

Solution 1

You can not share user controls between projects. Rather you can separate your user controls to separate project then in the post build event you can copy those user control files in your referenced projects.

Check here Sharing ASP.NET User Controls[^]

Posted 18-Oct-13 9:14am

M Rayhan