Where(TRow) Method

EnumerableRowCollectionExtensions.Where<TRow> Method (EnumerableRowCollection<TRow>, Func<TRow, Boolean>)


Filters a sequence of rows based on the specified predicate. This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.

Namespace:   System.Data
Assembly:  System.Data.DataSetExtensions (in System.Data.DataSetExtensions.dll)

public static EnumerableRowCollection<TRow> Where<TRow>(
	this EnumerableRowCollection<TRow> source,
	Func<TRow, bool> predicate


Type: System.Data.EnumerableRowCollection<TRow>

An EnumerableRowCollection containing the DataRow elements to filter.

Type: System.Func<TRow, Boolean>

A function to test each element for a condition.

Return Value

Type: System.Data.EnumerableRowCollection<TRow>

An OrderedEnumerableRowCollection<TRow> that contains rows from the input sequence that satisfy the condition.

Type Parameters


The type of the row elements in source, typically DataRow.

This method is implemented by using deferred execution. The immediate return value is an object that stores all the information that is required to perform the action. The query represented by this method is not executed until the object is enumerated either by calling its GetEnumerator method directly or by using foreach in Visual C# or For Each in Visual Basic.  

.NET Framework
Available since 3.5

EnumerableRowCollectionExtensions Class
System.Data Namespace

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