Am using Visual studio 2008, C# application .
In my data grid view i have Checkbox column, I put One header check box for datagrid view.
datagridviewCheck box is displayed for all row. i wil create column header check box separately.
if am selecting the Header check box means all coumns below in the Check box column should get selected,
if am unchecked header check box all are unchecked. if am selecting one by one column check box in gridview while select last check box column header check box should be selected.
All check box are selected now un select the any one of thecheck box, header check box should be un checked,
i dont know how to do like this. pls any one help me. very urgent for me. advance thanks. I need code for above operations.