الكريستال ريبورت لا يحدث كل البيانات

السلام عليكم ورحمة الله وبركاته

ممكن توصح اكثر

التقرير بيحتفظ بالبيانات القديمة حتي لو تم حذفها من قواعد البيانات رغم إني عملت uncheck حفظ الداتا في الريبورت ورغم ذلك البيانات القديمة مازالت موجودة 

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try
        {
            ReportDocument crRep = new ReportDocument();
            DataView Report_Parameter_view;

            Report_Parameter_view = (DataView)SqlDataSource_Report.Select(DataSourceSelectArguments.Empty);

            string sRepName = Report_Parameter_view[0].Row["Report_Name"].ToString();
            this.Title = sRepName;

            sRepName = sRepName.Replace(" ", "_");
            crRep.Load(Server.MapPath("~\\" + Report_Parameter_view[0].Row["Report_File_Name"].ToString()));

            SqlConnectionStringBuilder csbDb = new SqlConnectionStringBuilder(ConfigurationManager.ConnectionStrings["ConnectionString"].ToString());
            Tables crTables;
            TableLogOnInfo crTableLogOnInfo;
            ConnectionInfo crConnectionInfo = new ConnectionInfo();
            crConnectionInfo.ServerName = csbDb.DataSource.ToString();
            crConnectionInfo.DatabaseName = csbDb.InitialCatalog.ToString();
            crConnectionInfo.UserID = csbDb.UserID.ToString();
            crConnectionInfo.Password = csbDb.Password.ToString();
            crTables = crRep.Database.Tables;
            foreach (CrystalDecisions.CrystalReports.Engine.Table crTable in crTables)
            {
                crTableLogOnInfo = crTable.LogOnInfo;
                crTableLogOnInfo.ConnectionInfo = crConnectionInfo;
                crTable.ApplyLogOnInfo(crTableLogOnInfo);
            }

            if (Report_Parameter_view[0].Row["val"].ToString() == "True")
                crRep.SetParameterValue("@val", Session["val"].ToString());
 
            // Export
            ExportOptions oExportOptions = new ExportOptions();
            oExportOptions.ExportFormatType = CrystalDecisions.Shared.ExportFormatType.PortableDocFormat;

            if (Session["ExcelFormatOptions"].ToString() == "1")
            {
                ExcelFormatOptions oExcelFormatOptions = ExportOptions.CreateExcelFormatOptions();
                oExcelFormatOptions.ExcelTabHasColumnHeadings = true;
                oExcelFormatOptions.ExcelUseConstantColumnWidth = true;
                oExcelFormatOptions.UsePageRange = false;
                // Use detail section one as a guideline to determine column width
                oExcelFormatOptions.ExcelAreaGroupNumber = 1;
                oExcelFormatOptions.ExcelAreaType = AreaSectionKind.Detail;

                // ExportOptions 
                oExportOptions.ExportFormatOptions = oExcelFormatOptions;
                oExportOptions.ExportFormatType = CrystalDecisions.Shared.ExportFormatType.ExcelRecord;
            }
            try
            {
                crRep.ExportToHttpResponse(oExportOptions, Response, false, sRepName);
            }
            catch 
            { }
            Response.ClearContent();
            Response.ClearHeaders();
            Response.ContentType = "text/richtext";
            Response.Flush();
            Response.Close();

            crRep.Close();
            crRep.Dispose();
        }
        catch (Exception ex)
        {
            Label1.Text = ex.Message.ToString();
        }