using System.Web.Services;
using System.Web.Script.Services;
[ScriptMethod, WebMethod]
public static string docall()
{
return Fakhravary.Date.PersianCalander.Date_Style4(DateTi me.Now);
}
<asp:ScriptManager ID="ScriptManager1" runat="server" EnablePageMethods="true">
</asp:ScriptManager>
<script type="text/javascript">
function btnAccept_onclick() {
PageMethods.docall(onSuccess, onFailure);
}
function onSuccess(result) {
alert(result);
}
function onFailure(error) {
alert(error);
}
</script>
<input type="button" id="Button1" value="Accept" onclick="return btnAccept_onclick()" />