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.NET Framework 4.5.2+
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Session.ExecuteScalarAsync Method

Name Description
ExecuteScalarAsync(String, CancellationToken)

Executes the specified SQL query and returns the first column of the first row in the result set returned by the query.

ExecuteScalarAsync(String, Object[], CancellationToken)

Executes the specified SQL query and returns the first column of the first row in the result set returned by the query.

ExecuteScalarAsync(String, String[], Object[], CancellationToken)

Asynchronously executes the specified SQL query and returns the first column of the first row in the result set returned by the query.