问如何从另一个类访问ImageButton控件？

EN

<script type="text/javascript">
         function ShowCurrentTime(name) {
         PageMethods.GetCurrentTime(name, OnSuccess);
         }
         function OnSuccess(response, userContext, methodName) {
          alert(response);
         }
</script>

<asp:ImageButton ID="IMGBTN001" runat="server" ImageUrl="Images/ico/labaniat.png"
class="img-responsive em-img-lazy" OnClientClick="ShowCurrentTime('01')" />

<asp:Image class="img-responsive retina-img em-img-lazy" ID="IMGMostViewed" runat="server"ImageUrl="Images/Banner/block1_banner.jpg" />

[System.Web.Services.WebMethod]
public static string GetCurrentTime(string name)
{
    //string x = IMGMostViewed.ImageUrl;
    return "Hello " + name + Environment.NewLine + "The Current Time is: "
            + DateTime.Now.ToString();
}

    [System.Web.Services.WebMethod]
public static string GetCurrentTime(string name)
{
    if (HttpContext.Current != null)
    {
        Page page = (Page)HttpContext.Current.Handler;
        Image IMGMostViewed = (Image)page.FindControl("IMGMostViewed");
        string x = IMGMostViewed.ImageUrl;
    }
    return "Hello " + name + Environment.NewLine + "The Current Time is: "
            + DateTime.Now.ToString();
}