Entity Manager Rejecting Reject Changes

Hi Ting,

Ok, I'm waiting the new release.

Hi Ting,

Do you have a date when the new version coming out?

Hello People
I am facing problem with method RejectChanges
When I cancelled one event but enitity manager still have
that changes and using value to save on next event.

I attaching following code anyone can help me

Thanks in Advance

private void btnRemove_Click(object sender, RoutedEventArgs e)
        {
            if (DataGrid.SelectedRowsCount != 0)
            {
               STUDENT stud= (STUDENT )DataGrid.FocusedDataRow;
               STUDENT_GROUP.STUDENT.Remove(stud);
             }
            else
               MessageBox.Show("Select a Profession to remove.");
        }

private void CancelButton_Click(object sender, RoutedEventArgs e)

        {
            _em.RejectChanges();
            this.DialogResult = false;
        }