System.Data Namespace

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Determines the action that occurs when a mapping is missing from a source table or a source column.

The MissingMappingAction values are used as arguments in the GetColumnMappingBySchemaAction method, and the GetTableMappingBySchemaAction method.

Member Name	Description
Error	A SystemException is generated.
Ignore	The column or table not having a mapping is ignored. Returns a null reference.
Passthrough	The source column or source table is created and added to the DataSet using its original name.

DataColumnMappingCollection   DataTableMappingCollection

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