private void button1_Click(object sender, EventArgs e)
{
malop = cmbLop.SelectedValue.ToString();
rptDSSV rpt = new rptDSSV(malop);
rpt.lbTenLop.Text = cmbLop.Text;
ReportPrintTool print = new ReportPrintTool(rpt);
print.ShowPreviewDialog();
}
private void btnPreview_Click(object sender, EventArgs e)
{
DataTable dt = new DataTable();
String strLenh = "EXEC SP_InDanhSachSinhVien N'" + cmbMaLop.Text.Trim() + "'";
//MessageBox.Show(strLenh);
dt = Program.ExecSqlDataTable(strLenh);
rptDSSV rp = new rptDSSV();
rp.SetDataSource(dt);
rp.SetParameterValue("tenLop", cmbTenLop.Text);
crystalReportViewer1.ReportSource = rp;
}