public void EmptyTable()
{
foreach (Blackboard board in Blackboards)
{
Blackboards.Remove(board);
}
foreach (Team team in Teams)
{
Teams.Remove(team);
}
foreach (User user in Users)
{
Users.Remove(user);
}
foreach (Administrator admin in Administrators)
{
Administrators.Remove(admin);
}
foreach (Colaborator colab in Colaborators)
{
Colaborators.Remove(colab);
}
foreach (Comment comment in Comments)
{
Comments.Remove(comment);
}
foreach (TextBox textbox in TextBoxes)
{
TextBoxes.Remove(textbox);
}
foreach (Image image in Images)
{
Images.Remove(image);
}
SaveChanges();
}
