calling code behind function from javascript

Question

i make this function

public int seemore(int a)
{
System.Threading.Thread.Sleep(5000);
var count = cs.da.Home2Procedure(Convert.ToInt32(Session["Id"])).Count();
HiddenField1.Value = (Convert.ToInt32(HiddenField1.Value) + a).ToString();
int tmpskip = Convert.ToInt32(HiddenField1.Value);
if (Convert.ToInt32(HiddenField1.Value) <= count)
{
var q = cs.da.Home2Procedure(Convert.ToInt32(Session["Id"])).Skip(tmpskip).Take(4);
DataList1.DataSource = q;
DataList1.DataBind();
foreach (DataListItem dli in DataList1.Items)
{
DataList text = (DataList)dli.FindControl("DataList2");
Literal litral = (Literal)dli.FindControl("litBlogId");
LinkButton link = (LinkButton)dli.FindControl("TotalLike");
UpdatePanel up = (UpdatePanel)dli.FindControl("UpdatePanel1");
if (text.Visible)
{
int bid = Convert.ToInt32(litral.Text);
var q1 = cs.da.CommentsProcedure(bid).OrderByDescending(oo => oo.C_Id).Take(3).Reverse();
text.DataSource = q1;
text.DataBind();
}
var q2 = cs.da.TotalLikeNameProcedure(Convert.ToInt32(litral.Text));
// skip = DataList1.Items.Count;
//up.Update();
}

this function are in aspx.cs page

 

how can I call with javascript

 

please help guys