public void AddDataStuden(String name, int age, String tell)
{
ModelStuden lists_t = new ModelStuden();
lists_t.StudenID = Guid.NewGuid().ToString();
lists_t.StudenName = name;
lists_t.StudenAge = age;
lists_t.StudenPhon = tell;
listStuden.Add(lists_t);
}
public ModelClass AddDataClassRoomStuden(string idcallroom, string idstuden)
{
ModelStuden modelS = listStuden.Find(t => t.StudenID == idstuden);
ModelClass modelC = listClassRoom.Find(t => t.ClassroomID == idcallroom);
modelC.modelStuden = listStuden.Find(t => t.StudenID == idstuden);
int index = listClassRoom.FindIndex(t => t.ClassroomID == t.ClassroomID);
listClassRoom.RemoveAt(index);
listClassRoom.Add(modelC);
return(listClassRoom.Find(t => t.ClassroomID == idcallroom));
}
public bool UpdateDataStuden(ModelStuden item)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
int index = listStuden.FindIndex(t => t.StudenID == t.StudenID);
if (index == -1)
{
return(false);
}
listStuden.RemoveAt(index);
listStuden.Add(item);
return(true);
}