using CMS.Reporting;

...

        // Get report category object by category code name

        ReportCategoryInfo rci = ReportCategoryInfoProvider.GetReportCategoryInfo("WebAnalytics");

        // Get report category object by category ID

        ReportCategoryInfo rci2 = ReportCategoryInfoProvider.GetReportCategoryInfo(1);

        // Get report category object by report ID

        ReportInfo ri = ReportInfoProvider.GetReportInfo(1);

        // Get report category object by report code name

        ReportInfo ri2 = ReportInfoProvider.GetReportInfo("TestReport");

using System.Data;

using CMS.Reporting;

...

        string where = "CategoryID > 10";

        string orderby = "CategoryDisplayName";

        int topN = 10;

        string selectedColumns = "CategoryID, CategoryDisplayName";

        // Get dataset of report categories according to the given parameters

        DataSet ds = ReportCategoryInfoProvider.GetCategories(where, orderby);

        DataSet ds2 = ReportCategoryInfoProvider.GetCategories(where, orderby, topN, selectedColumns);

        string where2 = "ReportCategoryID = 12";

        // Get DataSet of reports with a specified where condition

        DataSet ds3 = ReportInfoProvider.GetReports(where2);