CrystalReports

    protected void Page_Load(object sender, EventArgs e)
    {
       // ConfigureCrystalReports();
        string conn = ConfigurationManager.AppSettings["ConnectionString"].ToString();
        string query = "select * from billwarehousebook";
        SetDataSource(conn, query);

    }

    private void ConfigureCrystalReports()
    {
        ReportDocument rd = new ReportDocument();
        string strFilePath = this.Server.MapPath("CrystalReport.rpt");
        rd.Load(strFilePath);
        // DataTable dt = DataSetConfiguration.CustomerDataSet;

        // BaseAccess obase = new BaseAccess();

        DataSet dataSet=new DataSet();
        string conn = ConfigurationManager.AppSettings["ConnectionString"].ToString();
        string query = "select * from billwarehousebook";
        SqlConnection sqlConn = new SqlConnection(conn);
        SqlDataAdapter SqlAdapter = new SqlDataAdapter();
        SqlAdapter.SelectCommand = new SqlCommand(query, sqlConn);
        SqlAdapter.Fill(dataSet);

       // DataSet ds = obase.GetDataSet("select * from billwarehousebook");
       
        rd.SetDataSource(dataSet.Tables[0]);
        CrystalReportViewer1.ReportSource = rd;
        CrystalReportViewer1.RefreshReport();

    }

    private void SetDataSource(string conn, string query)
    {
        // 使用 ADO.NET 对象模型设置连接
        // 信息。
        ReportDocument rd = new ReportDocument();
        string strFilePath = this.Server.MapPath("CrystalReport.rpt");
        rd.Load(strFilePath);

        DataSet dataSet = new DataSet();

        SqlConnection sqlConn = new SqlConnection(conn);
        SqlDataAdapter SqlAdapter = new SqlDataAdapter();
        SqlAdapter.SelectCommand = new SqlCommand(query, sqlConn);

        // 连接到数据源、获取数据和断开与
        // 数据库的连接。
        SqlAdapter.Fill(dataSet, "Customer");

        // 将已填充的数据集传送到报表中。
        rd.SetDataSource(dataSet);

        CrystalReportViewer1.ReportSource = rd;
        CrystalReportViewer1.RefreshReport();
    }