DbTestDataContext obj = new DbTestDataContext(); var q =from a in obj.GetTable<TableName>() select a;. This is simple. ... <看更多>

Linq enables you to query all sorts of data sources with a SQL like syntax. ... SELECT column, column1 FROM table WHERE condition ORDER BY column. ... <看更多>

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You can simply combine the conditions inside the FirstOrDefault() like PersonResultList = PersonResultList .Where(pr => PersonList .FirstOrDefault(p => pr. ... <看更多>