DataColumnMappingCollection.RemoveAt Method (String)

 

Removes the DataColumnMapping object with the specified source column name from the collection.

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

public void RemoveAt(
	string sourceColumn
)

Parameters

sourceColumn
Type: System.String

The case-sensitive source column name.

Exception Condition
IndexOutOfRangeException

There is no DataColumnMapping object with the specified source column name.

The following example searches for a DataColumnMapping object with the given source column 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");
}

.NET Framework
Available since 1.1
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