Home > ASP.Net, Javascript > Open a Popup window from C# Code behind

Open a Popup window from C# Code behind


try this example to open a popup window from C# code behind

so create an aspx page and add a Button control when i click on it will open a popup window

protected void Button1_Click(object sender, EventArgs e){


public void OpenNewWindow(string url)

   ClientScript.RegisterStartupScript(this.GetType(), "newWindow", String.Format("<script>window.open('{0}');</script>", url));

Hope this helps

Good Luck

Categories: ASP.Net, Javascript
  1. January 31, 2009 at 6:34 am

    Nice solution thats works fine

  2. yasserzaid
    February 2, 2009 at 9:47 pm

    Hi aliraza

    Thanks for your comment and hope my post helps you

    Good Luck

  3. Nidhi Kumari
    March 9, 2011 at 7:41 pm

    nice solution.it worked, fantastic.thanx

  4. yasserzaid
    March 14, 2011 at 9:30 pm

    @Kumari :- you are welcome

  5. November 22, 2011 at 5:23 am

    fine code


  6. yasserzaid
    December 3, 2011 at 7:06 pm

    @pankaj :- You are welcome 🙂

  7. ram reddy
    March 28, 2013 at 5:37 am

    what is the library we should have to use

    • yasserzaid
      March 28, 2013 at 3:44 pm

      This is Javascript code

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