DataAccessBase.ExecuteScalarAsync

Executes a Sql command and returns a single value from it.

public virtual Task<Object> ExecuteScalarAsync(string sql,
	Object[] parameters)

Return Value

Result value or null. Check ErrorMessage on Null if unexpected

Parameters

sql
parameters
DbParameters (CreateParameter()) for named parameters or use @0,@1 parms in SQL and plain values

Overloads: