updating a gridview in C#.net

[umeshh]

hey iam working on a project,its a windows based C#.net project..,were on a form there is a listview and a button and a girdview.
my task here is to connect this form to MYSQL which has a table named OBJECT with colums ("Object1","Event","Object2")
so the procedure is
1>i click on th name of object frm th listview
2>thn i click on th form so tht its being drawn on th form
3>thn i again select another object frm th listview
4>thn again i click on th form so tht this other object is drawn on th form
5>thn i click on th button which says relation
6>this helps me to draw a line bet th 2 objects created
now i want tht this should be saved to th database n thn retrived to th gridview whn i want..

so can any1 plz send me th code to do it

thanks..