Gets a value indicating whether a NpgsqlParameter with the specified parameter name exists in the collection.
true if the collection contains the parameter; otherwise, false.
IDataParameterCollection.Contains
Missing <remarks> documentation for M:Npgsql.NpgsqlParameterCollection.Contains(System.String)
NpgsqlParameterCollection Class | Npgsql Namespace | NpgsqlParameterCollection.Contains Overload List