I'm new to C# and got a problem in the very early stage.

I have a web service which I used to get data. So far, i am to retreive data from the database and put them to a GridView in another web site by add web reference.I bind it to a gridView.

Now I want to update data in the gridview . click on the edit and it allow me to edit in the gridview and click on update button to update it. However, I have no idea how to do that.
i have a update method in web service but how to bind it to the grid view
Any help would be great.

Any other alternatives would be nice too.

Thanks in advance,