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IColumnMappingCollection.RemoveAt Method

Removes the IColumnMapping object with the specified SourceColumn name from the collection.

Namespace: System.Data
Assembly: System.Data (in system.data.dll)

void RemoveAt (
	string sourceColumnName
)
void RemoveAt (
	String sourceColumnName
)
function RemoveAt (
	sourceColumnName : String
)
Not applicable.

Parameters

sourceColumnName

The case-sensitive SourceColumn name.

Exception typeCondition

IndexOutOfRangeException

A DataColumnMapping object does not exist with the specified SourceColumn name.

The following example searches for an instance of the derived class, DataColumnMapping, with the given SourceColumn name within a DataColumnMappingCollection collection. If the DataColumnMapping exists, the mapping is removed. This example assumes that a DataColumnMappingCollection collection has been created.


public void RemoveDataColumnMapping() 
{
    // ...
    // create columnMappings
    // ...
    if (columnMappings.Contains("Picture"))
        columnMappings.RemoveAt("Picture");
}

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0

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