title: How do I Redirect a new Tab with Query String in asp.net
body: <p>How to open new tab window with passing ID using Query String.</p>
  
  <p>I tried all the possible ways,i.e Onclientclick and others. but not.help me. </p>
  
  <p>Thank you in advance</p>
  
  <pre><code>if (e.CommandName == "Items")
          {
              int ID = Convert.ToInt32(e.CommandArgument.ToString());
              Response.Redirect("Add_Items.aspx?TestID=" + ID);
          }
  
  
  protected void Page_Load(object sender, EventArgs e)
      {
          if (!IsPostBack)
          {
              int id = Convert.ToInt32(Request.QueryString["TestID"]);
              lblTestID.Text = id.ToString();
          } 
  </code></pre>