public void GetEmployeeDetails(int GroupID, int CityID) { try { dynamic dt = objBSS.GetEmployeeViaGroup(GroupID, CityID); if (dt.Rows.Count > 0) { if (grdEmployee.DataSource == null) { grdEmployee.DataSource = dt; grdEmployee.DataBind(); } else { grdEmployee.DataSource = null; grdEmployee.DataSource = dt; grdEmployee.DataBind(); } } else { grdEmployee.DataSource = null; } } catch (Exception ex) { //Interaction.MsgBox(ex.Message, MsgBoxStyle.Critical, Title: "Message Box"); } }