private bool CheckValues() { if (string.IsNullOrEmpty(txtBranchName.Text)) { txtError.Text = "Enter Branch Name."; return(false); } if (string.IsNullOrEmpty(txtAddress.Text)) { txtError.Text = "Enter Branch Address."; return(false); } if (string.IsNullOrEmpty(txtZipCode.Text)) { txtError.Text = "Enter Zip Code of Branch."; return(false); } else if (!ValidationUtil.IsPositiveInteger(txtZipCode.Text)) { txtError.Text = "Zip Code must be positive integer values."; return(false); } if (string.IsNullOrEmpty(txtState.Text)) { txtError.Text = "Enter State."; return(false); } else if (!ValidationUtil.IsName(txtState.Text)) { txtError.Text = "State must be character values."; return(false); } if (string.IsNullOrEmpty(txtPhone.Text)) { txtError.Text = "Enter Telephone Number."; return(false); } if (string.IsNullOrEmpty(txtFax.Text)) { txtError.Text = "Enter Fax Number."; return(false); } if (string.IsNullOrEmpty(txtOpenTime.DateInput.Text)) { txtError.Text = "Enter Branch open time."; return(false); } if (string.IsNullOrEmpty(txtCloseTime.DateInput.Text)) { txtError.Text = "Enter Branch close time."; return(false); } if (txtPercentage.Value == null) { txtError.Text = "Enter Tax Percentage."; return(false); } if (txtYes.Checked == txtNo.Checked) { txtError.Text = "Select Yes or No for branch delivery."; return(false); } else if (txtYes.Checked) { if (txtDeliveryTax.Value == null) { txtError.Text = "You must enter delivery charges."; return(false); } } return(true); }