I am using a gridview to data and at the same time on click of a button the grid view should turn to be editable.. But when i am clicking the button which makes the gridview editable i am getting an exception.
sys.webforms.pagerequestmanagerservererrorexception value cannot be null parameter name expression
How to solve this.
I am using an object datasource.
The data is fetching from the database.
The grid view is getting binded.
Initial display is coming.
Help, this bit urgent