public void Update(StudentMore item, int key)
{
try
{
var obj = sms.StudentsMore.Where(p => p.StudentId == key).FirstOrDefault();
if (obj.StudentId == null)
{
item.StudentId = key;
Create(item);
}
obj.Address = item.Address;
obj.PhoneNumber = item.PhoneNumber;
obj.School = item.School;
sms.SaveChanges();
}
catch
{
throw;
}
}
public StudentMore Create(StudentMore item)
{
try
{
sms.StudentsMore.Add(item);
sms.SaveChanges();
return(item);
}
catch (SqlException e)
{
if (e.Number == 2601)
{
throw new PrimaryKeyDuplicateException("student already registed");
}
throw;
}
catch (Exception)
{
throw;
}
}