private void simpleButton5_Click(object sender, EventArgs e) { gridControl1.DataSource = dt.DDHS_SELECT(); txtMaHS.DataBindings.Clear(); txtMaHS.DataBindings.Add("Text", gridControl1.DataSource, "StudentID"); txtHoHS.DataBindings.Clear(); txtHoHS.DataBindings.Add("Text", gridControl1.DataSource, "FirstName"); txtTenHS.DataBindings.Clear(); txtTenHS.DataBindings.Add("Text", gridControl1.DataSource, "LastName"); dateTimePicker1.DataBindings.Clear(); dateTimePicker1.DataBindings.Add("Text", gridControl1.DataSource, "DateTask"); cboTuanDiemDanh.DataBindings.Clear(); cboTuanDiemDanh.DataBindings.Add("Text", gridControl1.DataSource, "WeeklyTaskID"); cboNamHoc.DataBindings.Clear(); cboNamHoc.DataBindings.Add("Text", gridControl1.DataSource, "MonthlyTaskID"); cboDiemDanh.DataBindings.Clear(); cboDiemDanh.DataBindings.Add("Text", gridControl1.DataSource, "Present"); txtLyDo.DataBindings.Clear(); txtLyDo.DataBindings.Add("Text", gridControl1.DataSource, "Reason"); }