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The way you'd do a join on more than one criteria generally is to use an anonymous type: join pc in productcategory on new { Id = p.Id, Other = p.Other } equals new { Id = pc.ProdId, Other = pc.Other }. This works in Linq-to-Objects, and I presume the same will work with database queries as well.
1 kwi 2017 · var db1 = (from a in AccYearEntity.OBLHManifests select a).ToList(); var db2 = (from a in MasterEntity.UserMasters select a).ToList(); var query = (from a in db1. join b in db2 on a.EnteredBy equals b.UserId. where a.LHManifestNum == LHManifestNum.
20 wrz 2024 · First, if the data sources are not sorted, you make two new sheets within the document, to contain the sorted ranges you want to join. (Use an array SORT function to achieve this.) What you do next depends on whether there will be multiple results per key.
14 gru 2014 · SELECT F.*, x.CurrencyKey, x.CurrencyName FROM ( SELECT CurrencyKey, CurrencyName FROM dbo.TestFunction() ) x INNER JOIN [dbo].[FactCurrencyRate] F ON x.CurrencyKey = f.CurrencyKey; The execution time is... (14264 rows affected) Table 'FactCurrencyRate'.
7 wrz 2023 · LINQ provides a fluent, intuitive and consistent way to query data sets. See how LINQ join operations simplify queries on multiple data sets
15 wrz 2021 · The examples in this topic demonstrate how to use the Join method to query a DataSet using the method query syntax. The FillDataSet method used in these examples is specified in Loading Data Into a DataSet .
29 maj 2024 · The join methods provided in the LINQ framework are Join and GroupJoin. These methods perform equijoins, or joins that match two data sources based on equality of their keys. (For comparison, Transact-SQL supports join operators other than equals, for example the less than operator.)
