public override bool Equals(object obj)
{
if (obj == null)
{
return(false);
}
// If parameter cannot be cast to Point return false.
Student st = obj as Student;
if (st == null)
{
return(false);
}
return((IndexID.Equals(st.IndexID)) &&
(FirstName == st.FirstName) &&
(LastName == st.LastName) &&
(City == st.City) &&
(DateOfBirth.Equals(st.DateOfBirth)));
}
//private bool canUpdate;
//private bool isStudentSelected()
//{
// return SelectedStudent != null;
//}
private bool isSelectedStudentAsPrevious()
{
if (City != null)
{
if (!City.Equals(SelectedStudent.City))
{
return(false);
}
}
else if (SelectedStudent.City != null)
{
if (!SelectedStudent.City.Equals(City))
{
return(false);
}
}
if (DateOfBirth != null)
{
if (!DateOfBirth.Equals(SelectedStudent.DateOfBirth))
{
return(false);
}
}
else if (SelectedStudent.DateOfBirth != null)
{
if (!SelectedStudent.DateOfBirth.Equals(DateOfBirth))
{
return(false);
}
}
if (FirstName != null)
{
if (!FirstName.Equals(SelectedStudent.FirstName))
{
return(false);
}
}
else if (SelectedStudent.FirstName != null)
{
if (!SelectedStudent.FirstName.Equals(FirstName))
{
return(false);
}
}
if (LastName != null)
{
if (!LastName.Equals(SelectedStudent.LastName))
{
return(false);
}
}
else if (SelectedStudent.LastName != null)
{
if (!SelectedStudent.LastName.Equals(LastName))
{
return(false);
}
}
if (SelectedGroup != null)
{
if (!SelectedGroup.Equals(SelectedStudent.Group))
{
return(false);
}
}
else if (SelectedStudent.Group != null)
{
if (!SelectedStudent.Group.Equals(SelectedGroup))
{
return(false);
}
}
if (IndexID != null)
{
if (!IndexID.Equals(SelectedStudent.IndexID))
{
return(false);
}
}
else if (SelectedStudent.IndexID != null)
{
if (!SelectedStudent.IndexID.Equals(IndexID))
{
return(false);
}
}
return(true);
}