title: Redirecting new tab on button click.(Response.Redirect) in asp.net C#
body: <p>I'm trying to open a page in new tab/window on button click.I tried in the google got this code but its not working.</p>
  
  <p>Can anybody help me with this?</p>
  
  <pre><code>&lt;asp:Button ID="btn" runat="Server" Text="SUBMIT" 
       OnClick="btnNewEntry_Click" OnClientClick="aspnetForm.target ='_blank';"/&gt;
  
  protected void btnNewEntry_Click(object sender, EventArgs e)
  {
      Response.Redirect("CMS_1.aspx");
  }
  </code></pre>
  
  <p>When I use this I'm getting error saying</p>
  
  <pre><code>   Microsoft JScript runtime error: 'aspnetForm' is undefined.
  </code></pre>