RemoveAt Method (String)
Collapse the table of content
Expand the table of content

IColumnMappingCollection.RemoveAt Method (String)


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


Type: System.String

The case-sensitive SourceColumn name.

Exception Condition

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"))

.NET Framework
Available since 1.1
Return to top
© 2015 Microsoft