}//-----------------------------
//event is raised when the selection is changed
protected override void dgvListSelectionChanged(object sender, EventArgs e)
{
base.dgvListSelectionChanged(sender, e);
if (!String.IsNullOrEmpty(this.PrimaryId))
{
_studentManager.InitializeSubjectLoadWithdrawDetailsListViewDataGridView(null, this.PrimaryId, false, this.dgvDetails);
}
}//-----------------------------