public static bool DeleteStudentBL(int studentID)
{
bool delstudent = false;
try
{
if (studentID > 0)
{
StudentDALCl dal = new StudentDALCl();
delstudent = dal.DeleteStudentDAL(studentID);
}
else
{
throw new StudentExceptionCl("Invalid Student ID");
}
}
catch (StudentExceptionCl)
{
throw;
}
catch (Exception ex)
{
throw ex;
}
return(delstudent);
}
public static bool UpdateStudentBL(StudentEntityCl entobj)
{
bool studentUpdated = false;
try
{
StudentDALCl dal = new StudentDALCl();
studentUpdated = dal.UpdateStudentDAL(entobj);
//if (ValidateGuest(updateGuest))
//{
// GuestDAL guestDAL = new GuestDAL();
// guestUpdated = guestDAL.UpdateGuestDAL(updateGuest);
//}
}
catch (StudentExceptionCl)
{
throw;
}
catch (Exception ex)
{
throw ex;
}
return(studentUpdated);
}
public static int getNextIdBAL()
{
int studentid = 0;
StudentDALCl dal = new StudentDALCl();
studentid = dal.getNextIdDAL();
return(studentid);
}
public static List <StudentEntityCl> GetAllStudentsBL()
{
List <StudentEntityCl> studentList = null;
try
{
StudentDALCl dal = new StudentDALCl();
studentList = dal.GetAllStudentsDAL();
}
catch (StudentExceptionCl ex)
{
throw ex;
}
catch (Exception ex)
{
throw ex;
}
return(studentList);
}
public static StudentEntityCl SearchStudentBL(int studentID)
{
StudentEntityCl entobj = null;
try
{
StudentDALCl dal = new StudentDALCl();
entobj = dal.SearchStudentDAL(studentID);
}
catch (StudentExceptionCl ex)
{
throw ex;
}
catch (Exception ex)
{
throw ex;
}
return(entobj);
}
public static bool AddStudentBL(StudentEntityCl entobj)
{
bool studentAdded = false;
try
{
if (Validation(entobj))
{
StudentDALCl dal = new StudentDALCl();
studentAdded = dal.AddStudentDAL(entobj);
}
}
catch (StudentExceptionCl ex)
{
MessageBox.Show(ex.ToString());
}
catch (Exception ex)
{
throw ex;
}
return(studentAdded);
}
