GetDataTableBySchemaAction()

DataTable? System.Data.Common.DataTableMapping.GetDataTableBySchemaAction ( DataSet dataSet, MissingSchemaAction schemaAction )

inline

Definition at line 165 of file DataTableMapping.cs.

    {
        if (dataSet == null)
        {
            throw ADP.ArgumentNull("dataSet");
        }
        string dataSetTable = DataSetTable;
        if (string.IsNullOrEmpty(dataSetTable))
        {
            return null;
        }
        DataTableCollection tables = dataSet.Tables;
        int num = tables.IndexOf(dataSetTable);
        if (0 <= num && num < tables.Count)
        {
            return tables[num];
        }
        switch (schemaAction)
        {
        case MissingSchemaAction.Add:
        case MissingSchemaAction.AddWithKey:
            return new DataTable(dataSetTable);
        case MissingSchemaAction.Ignore:
            return null;
        case MissingSchemaAction.Error:
            throw ADP.MissingTableSchema(dataSetTable, SourceTable);
        default:
            throw ADP.InvalidMissingSchemaAction(schemaAction);
        }
    }

References System.Data.DataTableCollection.Add(), System.Data.Common.ADP.ArgumentNull(), System.Data.InternalDataCollectionBase.Count, System.Data.Common.DataTableMapping.DataSetTable, System.Data.DataTableCollection.IndexOf(), System.Data.Common.ADP.InvalidMissingSchemaAction(), System.Data.Common.ADP.MissingTableSchema(), System.Data.Common.DataTableMapping.SourceTable, and System.Data.DataSet.Tables.

Referenced by System.Data.ProviderBase.SchemaMapping.SchemaMapping().