find id of tr in datalist
<p>I had table indatalist and I had to find id of tr in table I did my code but error apeared (object refrence...).</p>

<p>aspx:</p>

<pre><code>&lt;asp:DataList ID="DataList2" runat="server" RepeatColumns="4" 
    RepeatDirection="Horizontal" onitemdatabound="DataList2_ItemDataBound"&gt;
    &lt;ItemTemplate&gt;

                    &lt;table width="90%" border="0" cellspacing="0" cellpadding="2"&gt;
                        &lt;tr id="AllText" runat="server"&gt;
                            &lt;td class="media_ved_tit_aro" id="AllArrow" runat="server"&gt;
                                &amp;nbsp;
                            &lt;/td&gt;
                            &lt;td class="media_txt_b " &gt;
                            &lt;asp:Label ID="Label4" runat="server" Text='&lt;%#Eval(Globals.Translate("YoutubeTitle_EN", Page))%&gt;' /&gt;
                            &lt;/td&gt;
                        &lt;/tr&gt;
                    &lt;/table&gt;
                &lt;/td&gt;
            &lt;/tr&gt;
        &lt;/table&gt;
    &lt;/ItemTemplate&gt;
&lt;/asp:DataList&gt;
</code></pre>

<p>cs:</p>

<pre><code>protected void DataList2_ItemDataBound(object sender, DataListItemEventArgs e)
{
    string LanguageID = Globals.GetSuitableLanguage(Page);
       if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
       {
           ArrowAll  = e.Item.FindControl("AllArrow") as HtmlGenericControl;
           TextAll = e.Item.FindControl("AllText") as HtmlGenericControl;
       }
       if (LanguageID == "ar")
       {

           ArrowAll.Attributes.Add("Class", "media_ved_tit_aro_AR");
           TextAll.Attributes.Add("Class", "News_Image");
       }
}
</code></pre>
