Check for null MyFlexGrid before using it.
Added Static LineWidth0 method used for drawing borders on the screen
Fixed logic to draw borders on the VlnFlexGrid
Fixed logic to draw grid borders on the pdf output.
Eliminate SelChange funtions during Initialization
Eliminate Moving GridItem to the Left and Right on selection
Fixed a bug where SelectedEditItem was null
Eliminate SelChange funtions during Initialization
Use FlexGrid CellRange (Selection) to Get and Set Range Borders
Added Unknown value to GridLinePattern enum
Set Range Borders based upon CellRange (Selection)