private void button1_Click(object sender, EventArgs e)
{
Cursor = Cursors.WaitCursor;
LoadData loadData = new LoadData();
List <AuditData2> xxx = loadData.AnaylyzePivot(txtSelectedFile.Text);
//dataGridView1.DataSource = xxx.OrderBy(x=>x.amout_abs).ToList();
ReportDataSource datasource = new ReportDataSource("DataSet1", xxx);
this.reportViewer1.LocalReport.ReportPath = "report2.rdlc";
this.reportViewer1.LocalReport.DataSources.Clear();
this.reportViewer1.LocalReport.DataSources.Add(datasource);
this.reportViewer1.RefreshReport();
Cursor = Cursors.Default;
}