Describes various techniques your C# code can use to query dynamically depending on runtime state, by varying either LINQ method calls or the expression trees passed into those methods. Every time you ...

query-expression is described in query-expression. USER is a literal that references the userid of the person who submitted the program. The userid that is returned is operating environment-dependent, ...

Combine these two features, and you can create query expressions that perform SQL- and XQuery-type searches on collections. You can also store these queries—not just the results—in expression tree ...