/// <summary>Page Load.</summary>
  public void Page_Load
  (
   object     sender, 
   EventArgs  e
  ) 
  {
   String     exceptionMessage  =  null;
   DataSet    dataSet           =  null;
   Hashtable  userLogin         =  null;
   
   UtilityUser.UserLogin
   (
    ref userLogin,
    ref exceptionMessage
   );

   if ( exceptionMessage != null )
   {
    Response.Write( "Exception: " + exceptionMessage );
   	return;
   }	

   UtilityDatabase.DataSetFill
   (    
    ref userLogin,
    ref dataSet
   );
    
   GridViewUser.DataSource = dataSet;
   GridViewUser.DataBind();
  }//Page_Load