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I want to add .dll windowform of vb.net2010(Of my existing project) to my new web application .
so,need to know the procedure and the code details to run the added .dll file in webpage .
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Solution 1

I'm not sure what are you trying to achieve but you can's use windows forms in an web application (that's for sure)!

Even if you will be able to Reference the library and write something like this:

protected void btnClick_Click(object sender, EventArgs e)
    System.Windows.Forms.Form f = new System.Windows.Forms.Form();

still you will achieve nothing except a rise in a memory consumption from IIS.

tiru1 18-Sep-12 4:37am
Thax Mario.
you guess right. I am having a project in webform vb2010 and i am using the .dll file of that project as a reference on my new web application of ASP.NET .But still i m not getting the right output on my browser. Getting the error :HTTP:404 File not Found" .
I am using a just a button to call the .dll file in web application.May be i am having an error to declare the path in http.I need the help how to declare the path in http.
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Solution 2

i don't know what you are trying to say whether its a invisible component or user control just add refrence to the DLL file and choose item from the toolbox to add the DLL file and just drag it from the toolbox

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