Session.ExecuteScalar Method

Name	Parameters	Description
ExecuteScalar(String, QueryParameterCollection)	sql, parameters	Executes the specified SQL query and returns the first column of the first row in the result set returned by the query.
ExecuteScalar(String, Object[])	sql, parameterValues	Executes the specified SQL query and returns the first column of the first row in the result set returned by the query.
ExecuteScalar(String, String[], QueryParameterCollection)	sql, parameterNames, parameters	Executes the specified SQL query and returns the first column of the first row in the result set returned by the query.
ExecuteScalar(String, String[], Object[])	sql, parameterNames, parameterValues	Executes the specified SQL query and returns the first column of the first row in the result set returned by the query.
ExecuteScalar(String)	sql	Executes the specified SQL query and returns the first column of the first row in the result set returned by the query.