private void addSuppliersButton_Click(object sender, RoutedEventArgs e) { if (!myValidation.IsEmpty(supplierNameBox.Text)) { string retD = DBManager.InsertIntoSupplierInfo("('" + supplierNameBox.Text + "','" + supplierAddressBox.Text + "','" + supplierPhone1Box.Text + "','" + supplierPhone2Box.Text + "','" + supplierPoBox.Text + "','" + supplierEmailBox.Text + "')"); if (retD.Contains("Success")) { myMessageBox mm = new myMessageBox("Succesfully Added", "Success", "Ok", 0); mm.ShowDialog(); this.Close(); } else { myMessageBox mm = new myMessageBox("Error Occured", "Error", "Ok", 1); mm.ShowDialog(); } } }