DataTableMapping.GetColumnMappingBySchemaAction Method
Gets a DataColumn from the specified DataTable using the specified MissingMappingAction value and the name of the DataColumn.
Assembly: System.Data (in System.Data.dll)
public DataColumnMapping GetColumnMappingBySchemaAction( string sourceColumn, MissingMappingAction mappingAction )
Parameters
- sourceColumn
- Type: System.String
The name of the DataColumn.
- mappingAction
- Type: System.Data.MissingMappingAction
One of the MissingMappingAction values.
| Exception | Condition |
|---|---|
| InvalidOperationException | The mappingAction parameter was set to Error, and no mapping was specified. |
If the DataColumnMapping exists, it is returned.
If the DataColumnMapping does not exist, for a given MissingMappingAction, the following actions occur:
MissingMappingAction | Action taken |
|---|---|
Passthrough | Creates a DataColumnMapping with the specified source column name as both the source column name and the DataSet column name. This DataColumnMapping is not added to the collection. |
Error | An InvalidOperationException is generated if the specified column mapping is missing. |
Ignore | Gets a null value. |
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
