GRIDVIEW edit,update and delete options

Question

Hello Everyone,
I am developing a web application using ASP .net and C# .net.
I took a gridview and connect the database to it using connected architecture (i.e. using dataset and dataadapter). I add edit and delete column. But it is not working.
Will u help me on this topic or better way will u please upload the project solving the problem.
Regards,
Zuber Kazi.