Subtext.Installation.SqlInstaller.GetCurrentInstallationVersion C# (CSharp) Method

        public Version GetCurrentInstallationVersion()
        {
            string sql = "subtext_VersionGetCurrent";

            try
            {
                using (IDataReader reader = SqlHelper.ExecuteReader(this.connectionString, CommandType.StoredProcedure, sql))
                {
                    if (reader.Read())
                    {
                        Version version = new Version((int)reader["Major"], (int)reader["Minor"], (int)reader["Build"]);
                        reader.Close();
                        return version;
                    }
                    reader.Close();
                }
            }
            catch (SqlException exception)
            {
                if (exception.Number != (int)SqlErrorMessage.CouldNotFindStoredProcedure)
                    throw;
            }
            return null;
        }