protected void saveButton_Click(object sender, EventArgs e) { Binder binder = new Binder(); binder.BinderCode = binderCodeTextBox.Text; binder.BinderName = binderNameTextBox.Text; binder.BinderAddress = binderAddressTextArea.InnerText; string openingBalance = binderOpeningBalanceTextBox.Text; if (binderCodeTextBox.Text == "" || binderNameTextBox.Text == "" || binderAddressTextArea.InnerText == "" || binderOpeningBalanceTextBox.Text == "") { message.InnerText = "All Fields are Required!!"; } else { binder.BinderOpeningBalance = Convert.ToDouble(openingBalance); messageLabel.InnerText = binderManager.Save(binder); } }