/// <summary>
 /// Handle ButtonDelete click event
 /// Delete selected content
 /// </summary>
 /// <remarks>Display message and back to Contents home page if successful</remarks>
 protected void ButtonDelete_Click(object sender, EventArgs e)
 {
     if (content.DeleteContent(int.Parse(lblContentID.Text)))
     {
         Page.ClientScript.RegisterClientScriptBlock(GetType(), "alert", "alert('Content Deleted');document.location.href='Contents.aspx';", true);
     }
 }