The form and code that I write is in different folders
Code (in the folder there is no that form which I specify):

protected string GetClientsHistoryUrl(string iinbin) { return "javascript:window.open('InsurerHistory.aspx?iinbin=" + iinbin.ToString() + "','_blank','status= no, resizable= yes, scrollbars=yes, toolbar=no,location=no,menubar=no ')"; }

There is no such form of error.

    2 answers 2

    Try using this:

     Response.Redirect("путь к форме");

      Resolved through the VirtualPathUtility.ToAbsolute function

       protected string GetClientsHistoryUrl(string iinbin) { string javaScript = "javascript:window.open('{0}','_blank','status= no, resizable= yes, scrollbars=yes, toolbar=no,location=no,menubar=no')"; string path = VirtualPathUtility.ToAbsolute("~/Path/to/resource/InsurerHistory.aspx?iinbin=" + iinbin); return string.Format(javaScript, path); }