c# - give <a> style in code behind -

When I click on the event, any control was controlled from the style sheet on the class. Tried, but I one help me

aspx:

  & lt; An id = "CPCSS" runat = "server" href = "CompanyProfile.aspx" & gt; Company Profile & lt; / A & gt;  

CEO word

cs:

  protected zero CPCS_Acclank (object sender, eventArgse E) {CPCSS.Attributes.Add (" Class "," ad_mun_font_r "); CEOCSS.Attributes.Add ("Class", "ad_mun_font"); } Secure Zero COOCSS_OKALIC (Object Sender, EventAgds E) {CEOCSS.Attributes.Add ("Class", "Ed_Mune_Font_R"); CPCSS.Attributes.Add ("Classroom", "ad_mun_font"); } , "bag_d"}  

  CPCSS.Attributes.Add ("class" );