Hi Rahul,
1) Hw do I remove the extra row that comes, when I bind a table to GriddataBoundGrid?
>>>>
You can try setting the EnableAddNew property to false to remove the extra row( Addnew row ) in a grid.
this.gridDataBoundGrid1.EnableAddNew = false;
2) hw do I add a checkbox to the coloumn header?
>>>>
Please refer to the following KB article which explains how to have checkbox in the header cell of GridControl and GridDataBoundGrid
http://www.syncfusion.com/support/kb/grid/Default.aspx?ToDo=view&questId=232Best regards,
Haneef