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private void Bind()
    {
        SqlConnection conn = new SqlConnection("server=.;database=DLdb;uid=sa;pwd=123;");
        conn.Open();
        SqlDataAdapter da = new SqlDataAdapter("select * from Leechdoms", conn);
        DataSet ds = new DataSet();
        da.Fill(ds);

        ReportDocument rd = new ReportDocument();
        string path = HttpContext.Current.Server.MapPath("~/crStatistic.rpt");
        rd.Load(path);


        foreach (DataRow dr in ds.Tables[0].Rows)
        {
            rd.DataDefinition.FormulaFields["Name"].Text = dr["Name"].ToString();
        }
        rd.SetDataSource(ds.Tables[0]);

        crv.ReportSource = rd;
        crv.DataBind();
    }
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