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Using Linq in Reports
Unsere Beispiele der Projekte und Berichtsvorlagen helfen Ihnen, die Grundlagen der Arbeit mit unserer Software zu erlernen.The result of a LINQ query can be used as a report data source, so filtering, sorting and shaping happen in code before the report sees the data.
Query, then register. Build a LINQ query and pass it to the report as a business object:
How it works. Any
Query, then register. Build a LINQ query and pass it to the report as a business object:
var query = from i in items
where i.Price > 9.99
orderby i.Price
select i;
report.Load(AssetLoader.Open(new Uri("avares://…/Report.mrt")));
report.RegBusinessObject("MyData", "MyData", query);RegBusinessObject(category, name, data)— registers an in-memory object sequence (the query result) as a data source.- Because the query is lazily evaluated, the report renders against exactly the rows it yields.
How it works. Any
IEnumerable LINQ result — projections, joins, groupings — becomes a data source, letting you pre-shape data with the full power of LINQ.