private void btnConfirmPayment_Click(object sender, EventArgs e)
{
try
{
string errMsg = ValidateForm();
if (errMsg != string.Empty)
{
MessageBox.Show(errMsg, "Invalid Information", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else
{
PaymentBL paymentBL = new PaymentBL();
Payment_Entity p = new Payment_Entity()
{
StudentId = s.StudentId,
AmountOfPayment = Convert.ToDecimal(txtAmountOfPayment.Text),
Date = DateTime.Now
};
if (paymentBL.MakePayment(p))
{
PopulateStudent(s.StudentId);
MessageBox.Show("Payment made!");
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public bool MakePayment(Payment_Entity p)
{
PaymentRepo repo = new PaymentRepo();
if (IsValidEntity(p))
{
return(repo.makePayment(p));
}
return(false);
}
public bool makePayment(Payment_Entity p)
{
List <ParmStruct> parms = new List <ParmStruct>();
parms.Add(new ParmStruct("@StudentId", p.StudentId, SqlDbType.NVarChar, ParameterDirection.Input, 8));
parms.Add(new ParmStruct("@AmountOfPayment", p.AmountOfPayment, SqlDbType.SmallMoney, ParameterDirection.Input));
parms.Add(new ParmStruct("@PaymentDate", p.Date, SqlDbType.DateTime, ParameterDirection.Input));
DataAccess db = new DataAccess();
return(db.ExecuteNonQuery("spMakePayment", CommandType.StoredProcedure, parms) > 0);
}
private bool IsValidEntity(Payment_Entity p)
{
ValidationContext context = new ValidationContext(p);
List <ValidationResult> results = new List <ValidationResult>();
bool isValid = Validator.TryValidateObject(p, context, results, true);
foreach (ValidationResult r in results)
{
Errors.Add(new ValidationError(r.ErrorMessage));
}
return(isValid);
}