Creates a MultiTableDocumentBatchWrite object that is a combination
            of the current DocumentBatchWrite and the specified DocumentBatchWrite.
            
 Declaration Syntax
 Declaration Syntax| C# | 
public MultiTableDocumentBatchWrite Combine( DocumentBatchWrite otherBatch )
 Parameters
 Parameters- otherBatch (DocumentBatchWrite)
- Other DocumentBatchWrite object.
 Return Value
 Return Value
            MultiTableDocumentBatchWrite consisting of the two DocumentBatchWrite
            objects.