public string SaveStudent(Student aStudent)
{
if (aStudent.RegNo.Length > 5)
{
bool isRegNoExist = CheckRegNo(aStudent);
if (isRegNoExist)
{
return("This Reg. No. is already exist! Please use another Reg. No.");
}
else
{
var rowAffected = gateway.AddStudent(aStudent);
if (rowAffected > 0)
{
return("Saved Successfully!");
}
else
{
return("Save Failed!");
}
}
}
else
{
return("Invalid Reg. No.! it must be at least 6 characters.");
}
}
public string AddStudent(Student aStudent)
{
if (aStudentGateway.IsExitsMail(aStudent.Email))
{
return("Email Already Exits");
}
return(aStudentGateway.AddStudent(aStudent));
}
public int AddStudent(Student student)
{
return(_studentGateway.AddStudent(student));
}