[Member name] Auto [Description] 
Default. Performs the most appropriate of these actions: If the data is a DiffGram, sets XmlReadMode to DiffGram. -or- If the dataset already has a schema, or the document contains an in-line schema, sets XmlReadMode to ReadSchema. -or- If the dataset does not already have a schema and the document does not contain an in-line schema, sets XmlReadMode to InferSchema.