//RadDatePicker_SelectedDateChanged event checks if raddatepicker is empty it binds the grid protected void RadDatePicker_SelectedDateChanged(object sender, Telerik.Web.UI.Calendar.SelectedDateChangedEventArgs e) { if (RadDatePicker.SelectedDate == null) { BindGrid(); } else //if the date is selected it binds grid based on the selected date { objd.Date = RadDatePicker.SelectedDate.Value; DataTable dt = new DataTable(); dt = objd.GetDonationDetailsusingDate(); gvdonation.DataSource = dt; gvdonation.DataBind(); } }