private void btnDelete_Click(object sender, EventArgs e) { if (RegisterAutoProperty.vendorID != "0") { DialogResult dg = MessageBox.Show(Review(msg), "Delete these information?", MessageBoxButtons.OKCancel); if (dg == DialogResult.OK) { md.DeleteVendor(txtCat1.Text, cboCat1.Text, cboCat2.Text, txtCat2.Text, cboCat3.Text, txtCat3.Text, cboCat4.Text, txtCat4.Text, cboCat5.Text, txtCat5.Text, cboCat6.Text, txtCat6.Text, cboCat7.Text, txtCat7.Text, txtVendorName.Text, txtContactPerson.Text, txtCompAddress.Text, txtTel1.Text, txtTel2.Text, txtMob1.Text, txtMob2.Text, txtFax.Text, txtEmail1.Text, txtEmail2.Text, txtWebsite.Text); //Call Database dgv_Vendors.DataSource = md.dgv_VendorTable("").DataSource; Clear(); RegisterAutoProperty.vendorID = "0"; btnDelete.Visible = false; } } else { MessageBox.Show("No rows selected", "Delete these information?", MessageBoxButtons.OK); btnDelete.Visible = false; } }