private void deleteDoc() { if (gvKptclass.RowCount > 1) { navyid = gvKptclass.SelectedRows[0].Cells["navyid"].Value.ToString(); if (navyid != "" && navyid != null) { switch (mode) { case "addictive": { dcore.DeleteAddictive(navyid); } break; default: { dcore.DeleteKptclass(navyid); } break; } MessageBox.Show("เสร็จสิีน"); load(); } } }