Delete from database

[beeper]

How i can delete records from database. I show a record in datagrid. Using Click Action on datagrid.
I have only this, and no idea.
Or where i can find a solution.
Thanks

this.dataGrid.Click += new System.EventHandler(this.dataGrid_Click);
//---//
private void dataGrid_Click(object sender, System.EventArgs e)
{

}