Abstract class for much of the Flot Charts Logic Subset of the spec at https://github.com/flot/flot/blob/master/API.md
Inheritance: System.Web.UI.WebControls.CompositeControl
 /// <summary>
 /// Lcs the attendance_ chart click.
 /// </summary>
 /// <param name="sender">The sender.</param>
 /// <param name="e">The e.</param>
 protected void lcAttendance_ChartClick( object sender, FlotChart.ChartClickArgs e )
 {
     if ( this.DetailPageGuid.HasValue )
     {
         Dictionary<string, string> qryString = new Dictionary<string, string>();
         qryString.Add( "YValue", e.YValue.ToString() );
         qryString.Add( "DateTimeValue", e.DateTimeValue.ToString( "o" ) );
         NavigateToPage( this.DetailPageGuid.Value, qryString );
     }
 }