Where(TRow) Method
Collapse the table of content
Expand the table of content

TypedTableBaseExtensions.Where<TRow> Method

Filters a sequence of rows based on the specified predicate.

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

public static EnumerableRowCollection<TRow> Where<TRow>(
	this TypedTableBase<TRow> source,
	Func<TRow, bool> predicate
where TRow : DataRow

Type Parameters


The type of the row elements in source, DataRow.


Type: System.Data.TypedTableBase<TRow>
A TypedTableBase<T> that contains 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.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type TypedTableBase<TRow>. 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).

.NET Framework

Supported in: 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Community Additions

© 2016 Microsoft