The query (in the code), while running on SQL server returns the
following result.

53      10      _heading        Supplier Sustainability
Assessment      101
53      10      _heading        FR_SUST 102
54      10      _tabHome        Home    101
55      10      _tabQuestionnaire       Questionnaire   101
56      10      _tabResults     Results 101
57      10      _tabResourcesFAQ        Resources & FAQs
101

But while running the code on visual studio returns the first row
twice and instead of the second row -

53      10      _heading        Supplier Sustainability
Assessment      101
53      10      _heading        Supplier Sustainability
Assessment      101
54      10      _tabHome        Home    101
55      10      _tabQuestionnaire       Questionnaire   101
56      10      _tabResults     Results 101
57      10      _tabResourcesFAQ        Resources & FAQs
101

I have no idea as to why.

Code.

 private IList<WebpageElement> GetWBById(int id)
        {
            using (ISession session = NHibernateHelper.OpenSession())
            using (ITransaction transaction =
session.BeginTransaction())
            {
                try
                {
                    string sql = @"
                                                SELECT
                        web_page_html_element.html_element_id,
                        web_page_html_element.web_page_id,
                        html_element.html_element_name,
                        Html_Element_Text.html_element_txt,
                        Html_Element_Text.language_code
                        FROM  Web_Page_Html_Element INNER JOIN
                        Html_Element ON
                        Web_Page_Html_Element.html_element_id =
Html_Element.html_element_id INNER JOIN
                        Html_Element_Text ON
Html_Element.html_element_id = Html_Element_Text.html_element_id
                        WHERE (Web_Page_Html_Element.web_page_id
= :id)";

                    ISQLQuery query =
(ISQLQuery)session.CreateSQLQuery(sql)
                        .SetInt32("id", id);
                    var list =
query.AddEntity(typeof(WebpageElement)).List<WebpageElement>();
                    return list;
                }
                finally
                {
                    transaction.Commit();
                }
            }

        }

WebpageElement.CS
        public class WebpageElement
        {
                public virtual int Id { get; set; }
                public virtual int WebpageId { get; set; }
                public virtual string Name { get; set; }
                public virtual string Text { get; set; }
                public virtual string LanguageCode { get; set; }

                public WebpageElement() { }
        }

WebpagElement.hbm.xml
        <class name="WebpageElement" table="web_page_html_element">
                <id name="Id" column="html_element_id">
                        <generator class="native"/>
                </id>
                <property name ="WebpageId">
                        <column name="web_page_id"></column>
                </property>
                <join table="html_element">
                        <key column="html_element_id" />
                        <property name="Name">
                                <column name="html_element_name" />
                        </property>
                </join>
                <join table="html_element_text">
                        <key column="html_element_id"/>
                        <property name="Text">
                                <column name="html_element_txt" />
                        </property>
                        <property name="LanguageCode">
                                <column name="language_code" />
                        </property>
                </join>
        </class>

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