BoldSignEasily embed eSignatures in your .NET applications. Free sandbox with native SDK available.
style.Borders.Right = new GridBorder(GridBorderStyle.None);
style.Borders.Bottom = new GridBorder(GridBorderStyle.None);
where style is the GridStyleInfo object for the cells you want to have no border. To do it on all cells, you can use grid.TableStyle for thestyle object in the code above.