public ActionResult Designer()
        {
            Models.ReportDesignerModel model = new Models.ReportDesignerModel();
            // Create a SQL data source with the specified connection string.
            SqlDataSource ds = new SqlDataSource("NWindConnectionString");
            // Create a SQL query to access the Products data table.
            SelectQuery query = SelectQueryFluentBuilder.AddTable("Products").SelectAllColumnsFromTable().Build("Products");

            ds.Queries.Add(query);
            ds.RebuildResultSchema();
            model.DataSources = new Dictionary <string, object>();
            model.DataSources.Add("Northwind", ds);
            return(View(model));
        }
 public IActionResult Index()
 {
     Models.ReportDesignerModel model = new Models.ReportDesignerModel();
     return(View(model));
 }