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    Session: How to Check if a Document Exists

    • To check whether the database contains a certain document, use the method Exists() from the Advanced session operations.

    • This does not load the document from the server or cause the session to track it.

    • In this page:

    Syntax 

    bool Exists(string id);
    Task<bool> ExistsAsync(string documentId, CancellationToken token = default);
    Parameter Type Description
    id string The ID of the document you want to check the database for
    Return Value Description
    bool Indicates whether a document with the specified ID exists in the database

    Example 

    bool exists = session.Advanced.Exists("employees/1-A");

if (exists)
{
    //do something
}
    bool exists = await asyncSession.Advanced.ExistsAsync("employees/1-A");

if (exists)
{
    //do something
}

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