}//----------------------------- //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); } }//-----------------------------