Set a cell with "Button" cell type, I noticed that the button didn't full fill the cell, there is a little blank space between the button border and cell border, like setting the margin property. The blank space will disappear after the mouse hovering on the cell, see following screenshot, the first "Book Ticket" cell with "Button" cell type is full filled with button after mouse hovering on it.
KBKanimozhi Bharathi Syncfusion Team July 14, 2016 05:51 PM UTC
Hi Nick Tang,
Thank you for contacting Syncfusion Support.
We were able to reproduce the issue and you can overcome this issue by creating CustomButtonCellRenderer class which is inherited from the GridCellButtonRenderer class and override the base class methods. Add this custom cell type for button cells. Please find the sample link for your reference.