public static int VerwijderenCursus(Cursus cursus)
{
try
{
using (UdemyEntities udemyEntities = new UdemyEntities())
{
udemyEntities.Entry(cursus).State = EntityState.Deleted;
return(udemyEntities.SaveChanges());
}
}
catch (Exception ex)
{
FileOperations.Foutloggen(ex);
return(0);
}
}
public static int ToevoegenCursusBijzonderheid(Cursus_Bijzonderheid cursusBijzonderheid)
{
try
{
using (UdemyEntities udemyEntities = new UdemyEntities())
{
udemyEntities.Cursus_Bijzonderheid.Add(cursusBijzonderheid);
return(udemyEntities.SaveChanges());
}
}
catch (Exception ex)
{
FileOperations.Foutloggen(ex);
return(0);
}
}
public static int ToevoegenStudent(Student student)
{
using (UdemyEntities udemyEntities = new UdemyEntities())
{
try
{
udemyEntities.Student.Add(student);
return(udemyEntities.SaveChanges());
}
catch (Exception ex)
{
FileOperations.Foutloggen(ex);
return(0);
}
}
}
public static int ToevoegenLesgever(Lesgever lesgever)
{
using (UdemyEntities udemyEntities = new UdemyEntities())
{
try
{
udemyEntities.Lesgever.Add(lesgever);
return(udemyEntities.SaveChanges());
}
catch (Exception ex)
{
FileOperations.Foutloggen(ex);
return(0);
}
}
}
public static int CursusKopen(Cursus_Student cursusKopen)
{
try
{
using (UdemyEntities udemyEntities = new UdemyEntities())
{
udemyEntities.Cursus_Student.Add(cursusKopen);
return(udemyEntities.SaveChanges());
}
}
catch (Exception ex)
{
FileOperations.Foutloggen(ex);
return(0);
}
}
public static int AanpassenGegevensStudent(Student student)
{
try
{
using (UdemyEntities udemyEntities = new UdemyEntities())
{
udemyEntities.Entry(student).State = EntityState.Modified;
return(udemyEntities.SaveChanges());
}
}
catch (Exception ex)
{
FileOperations.Foutloggen(ex);
return(0);
throw;
}
}