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TypedTableBaseExtensions.OrderBy<TRow, TKey> Method (TypedTableBase<TRow>, Func<TRow, TKey>)

Sorts the rows of a TypedTableBase<T> in ascending order according to the specified key.

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

public static OrderedEnumerableRowCollection<TRow> OrderBy<TRow, TKey>(
	this TypedTableBase<TRow> source,
	Func<TRow, TKey> keySelector
where TRow : DataRow

Type Parameters


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


The type of the key returned by keySelector.


Type: System.Data.TypedTableBase<TRow>

A TypedTableBase<T> that contains the DataRow elements to be ordered.

Type: System.Func<TRow, TKey>

A function to extract a key from an element.

Return Value

Type: System.Data.OrderedEnumerableRowCollection<TRow>
An OrderedEnumerableRowCollection<TRow> whose elements are sorted by the specified key.

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: 4.6, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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