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DataTableMappingCollection.RemoveAt Method (String)

Removes the DataTableMapping object with the specified source table name from the collection.

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

'Declaration
Public Sub RemoveAt ( _
	sourceTable As String _
)

Parameters

sourceTable
Type: System.String

The case-sensitive source table name to find.

Implements

ITableMappingCollection.RemoveAt(String)

ExceptionCondition
IndexOutOfRangeException

A DataTableMapping object does not exist with the specified source table name.

The following example searches for a DataTableMapping object with the given source table name within a DataTableMappingCollection collection. If the DataTableMapping exists, the mapping is removed. This example assumes that a DataTableMappingCollection collection has been created.

Public Sub RemoveDataTableMapping()
    ' ... 
    ' create mappings 
    ' ... 
    If mappings.Contains("Categories") Then
        mappings.RemoveAt("Categories")
    End If 
End Sub

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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