Webmethod is not called in asp.net C#

Question

Hi i am writing a code to send file from javascript to web mothod, but my web method is not isteat it called pageload method. please help 

here is my code

 

$.ajax({

type: "POST",

url: "Content_New.aspx/UploadFiles",

data: obj,

processData: false,

contentType: false,

dataType: "json",

success: function (result) { alert("successful!"); },

//async: true

})

[WebMethod(EnableSession =true)]

public static void UploadFiles()

{

}