protected void gvDentist_RowCommand(object sender, GridViewCommandEventArgs e) { if (e.CommandName == "cmdedit") { Dentist d = new Dentist(); d.Dentist_ID1 = Convert.ToInt32(e.CommandArgument); d.getDentistDataByID(); txtfirstname.Text = d.FirstName1; txtlastName.Text = d.LastName1; txtMiddleName.Text = d.LastName1; txtssn.Text = d.SSN1; txtworkexp.Text = Convert.ToString(d.Workexp1); ddldentistType.SelectedValue = d.DentistType1; ddlgender.SelectedValue = d.Gender1; hfdentistID.Value = Convert.ToString(d.Dentist_ID1); } if (e.CommandName == "cmddelete") { Dentist d = new Dentist(); d.Dentist_ID1 = Convert.ToInt32(e.CommandArgument); d.removeDentist(); bindGrid(); } }