Open a PopUp Window on the ASP.NET Button Click event and pass Parameters

A User asked me how to Open a PopUp window when the user clicks on an ASP.NET Button Server Control. He also wanted to pass parameters to the url. Here's how it is done:

C#

protected void Button1_Click(object sender, EventArgs e)

{

    string queryString = 

        "http://localhost:39208/TreeView.aspx?param1=" 

        + TextBox1.Text.Trim();   

    string newWin = 

        "window.open('" + queryString + "');";

    ClientScript.RegisterStartupScript

        (this.GetType(), "pop", newWin, true);

}

VB.NET

    Protected Sub Button1_Click(ByVal sender As Object, _

                                ByVal e As EventArgs)

        Dim queryString As String = _

           "http://localhost:39208/TreeView.aspx?param1=" & _

            TextBox1.Text.Trim()

        Dim newWin As String = _

           "window.open('" & queryString & "');"

        ClientScript.RegisterStartupScript(Me.GetType(), _

                                       "pop", newWin, True)

    End Sub

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About The Author

Suprotim Agarwal, ASP.NET Architecture MVP works as an Architect Consultant and provides consultancy on how to design and develop Web applications.

Suprotim is also the founder and primary contributor to DevCurry, DotNetCurry and SQLServerCurry. He has also written an EBook 51 Recipes using jQuery with ASP.NET Controls.

Follow him on twitter @suprotimagarwal