title: gridview findcontrol returning empty ""
body: <p>i am trying to read from a textbox within a gridview by using this code</p>
  
  <pre><code>    protected void Button1_Click(object sender, EventArgs e)
      {
          foreach (GridViewRow row in GridView1.Rows)
          {
              string textBoxText = ((TextBox)row.FindControl("numTC")).Text;
              Response.Write(textBoxText);
  
          }
      }
  </code></pre>
  
  <p>this code keeps returning "" (empty)</p>
  
  <p>any idea why this is hapenning?</p>
  
  <p>Thanks</p>