AJH.CMS.Core.Data.CategoryDataMapper.GetCategoryPublishXML C# (CSharp) Method

        internal static string GetCategoryPublishXML(int ModuleID, int ParentID)
        {
            string categoryXML = string.Empty;

            using (SqlConnection sqlConnection = new SqlConnection(CMSCoreBase.CMSCoreConnectionString))
            {
                SqlCommand sqlCommand = new SqlCommand(SN_CATEGORY_GET_BY_CATEGORY_XML, sqlConnection);
                sqlCommand.CommandType = System.Data.CommandType.StoredProcedure;

                SqlParameter sqlParameter = null;
                sqlParameter = new SqlParameter(PN_CATEGORY_PARENT_ID, System.Data.SqlDbType.Int);
                sqlParameter.Direction = System.Data.ParameterDirection.Input;
                sqlParameter.Value = ParentID;
                sqlCommand.Parameters.Add(sqlParameter);

                sqlParameter = new SqlParameter(PN_CATEGORY_MODULE_ID, System.Data.SqlDbType.Int);
                sqlParameter.Direction = System.Data.ParameterDirection.Input;
                sqlParameter.Value = ModuleID;
                sqlCommand.Parameters.Add(sqlParameter);

                sqlCommand.Connection.Open();
                using (SqlDataReader sqlDataReader = sqlCommand.ExecuteReader(System.Data.CommandBehavior.CloseConnection))
                {
                    SqlXml sqlXML = null;
                    while (sqlDataReader.Read())
                    {
                        sqlXML = sqlDataReader.GetSqlXml(0);
                    }
                    sqlDataReader.Close();
                    sqlCommand.Connection.Close();

                    if (!sqlXML.IsNull)
                    {
                        categoryXML = sqlXML.Value;
                    }
                }
            }
            return categoryXML;
        }