Winform动态生成报表

Winform动态生成报表
private void button1_Click(object sender, EventArgs e)
{
string sqlstr= ConfigurationManager.ConnectionStrings["ConnectionString"].C onnectionString;
SqlConnection conn = new SqlConnection(sqlstr);
conn.Open();
string str = "select * from tbl_ClientInfo where nID='5'";
SqlDataAdapter sda = new SqlDataAdapter(str,conn);
DataSet ds = new System.Data.DataSet();
sda.Fill(ds);
conn.Close();
reportViewer1.LocalReport.DataSources.Clear();
reportViewer1.LocalReport.ReportEmbeddedResource = "ReportRDLC.Report1.rdlc";
reportViewer1.LocalReport.ReportPath=Application.Startup Path+ @"\Report1.rdlc";
//MessageBox.Show(Application.StartupPath + @"\Report1.rdlc");
Microsoft.Reporting.WinForms.ReportDataSource reportDataSource = new ReportDataSource();
= "DataSet1"; //指定数据源的名字，是你在设计器中指定的
reportDataSource.Value = ds.Tables[0];//指定数据源，也就是你查出来的dataTable
reportViewer1.LocalReport.DataSources.Add(reportDataSou rce);
reportViewer1.RefreshReport(); }。