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TypedTableBaseExtensions.ElementAtOrDefault<TRow> Method

.NET Framework 4.5

Returns the element at a specified row in a sequence or a default value if the row is out of range.

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

public static TRow ElementAtOrDefault<TRow>(
	this TypedTableBase<TRow> source,
	int index
where TRow : DataRow

Type Parameters


The type of the elements or the row.


Type: System.Data.TypedTableBase<TRow>

An enumerable object to return an element from.

Type: System.Int32

The zero-based index of the element to retrieve.

Return Value

Type: TRow
The element at a specified row in a sequence.

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

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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