SpreadsheetDocument.TemplateLanguageCode

Read and write.Type: String; Undefined.
Contains a language code in which rows will be used for outputting this spreadsheet document in another spreadsheet document.
If the property contains Undefined value, the code of template language is specified by current user settings. If for the current user the code of language is not certain, or users are not set, the code of language is specified by current configuration settings.
Server, thick client, external connection, Mobile application (server).

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