asp:DataList ID="dlstCon" runat="server">
      ItemTemplate>
          li>a href='%# "ShowList.aspx?ExhibitionID="+Eval("ExhibitionID") %>'
            title='%# IsMultiLang(Eval("Title"),Eval("TitleValue"))%>'> %# Eval("Title") %>/a>/li>
        /ItemTemplate>
/asp:DataList>

protected string IsMultiLang(object pTitle, object pTitleValue)
{
    string mReturn = "";
    if (pTitleValue.ToString() != "Null" pTitleValue.ToString() != "")
    {
        mReturn = pTitle.ToString() + "[" + pTitleValue.ToString() + "]";
    }
    else
    {
        mReturn = pTitle.ToString();
    }
    return mReturn;
}