//Student OnDisconnected
public void UnListConnectedStudents(StudentsConnectionId ScId)
{
StudentsConnectionId obj = db.StudentsConnectionIds.Where(R => R.Std_Id == ScId.Std_Id).SingleOrDefault();
db.StudentsConnectionIds.Remove(obj);
db.SaveChanges();
}
//Student OnConnected
public bool ListConnectedStudents(StudentsConnectionId ScId)
{
bool RetVal = false;
bool Persisted = db.StudentsConnectionIds.Where(w => w.Std_Id == ScId.Std_Id).Any();
if (Persisted != true)
{
db.StudentsConnectionIds.Add(ScId);
}
else
{
return(RetVal);
}
return(RetVal);
}
