| QueryableExForTSource, TResult Method (IQueryProvider, IEnumerableTSource, ExpressionFuncTSource, IEnumerableTResult) |
Generates a sequence by enumerating a source sequence, mapping its elements on result sequences, and concatenating those sequences.
Namespace: System.Linq
Assembly: System.Interactive.Providers (in System.Interactive.Providers.dll) Version: 1.2.0.0
SyntaxC#
public static IQueryable<TResult> For<TSource, TResult>( this IQueryProvider provider, IEnumerable<TSource> source, Expression<Func<TSource, IEnumerable<TResult>>> resultSelector )
Parameters
- provider
- Type: System.LinqIQueryProvider
Query provider. - source
- Type: System.Collections.GenericIEnumerableTSource
Source sequence. - resultSelector
- Type: System.Linq.ExpressionsExpressionFuncTSource, IEnumerableTResult
Result selector to evaluate for each iteration over the source.
Type Parameters
- TSource
- Source sequence element type.
- TResult
- Result sequence element type.
Return Value
Type: IQueryableTResultSequence concatenating the inner sequences that result from evaluating the result selector on elements from the source.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type IQueryProvider. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).See Also