title: Using a CheckBox to Select Rows in an ASP.NET GridView
body: <p>With a <code>GridView</code> control in .NET is there any way to change the <code>Select</code> option in a <code>GridView</code> to a <code>Checkbox</code>, how do you select multiple rows?</p>
  
  <p>I tried adding a <code>CheckBoxField</code> into my <code>GridView</code> but when I ran it it didn't show up.</p>