How to compare value ajax nested function fetch from DB

Question

Good Afternoon Sir ,

 

My problem is am create one web service in c# to GetProductId() am write simple query "select product_id from   products"

and sent to List<>. but my  JS code am use ajax function within ajax and how to compare nested ajax after success value from my productid.

Code is following :

 

<script type="text/javascript">

         function setSubmited() {

         if ($('.txtSubmited').val() == "")

         {

                     $('.txtSubmited').val("1"); blockUI();

                     $(function ()

                     {

                              var _id = $('#HFProductId').val();

                              var product_code = $('#txtItemCode').val();

                              var product_type = $('#ddlProductType').val();

                              var visible_individually = $('#checkVisble').val();

                              var obj = {_ID:_id, Product_code: product_code, Product_type: product_type, Visible_individually: visible_individually };

                             

                              $.ajax(

                              {

                                       type: "POST",

                                       contentType: "application/json; charset=utf-8",

                                       url: "EntryForm.aspx/insertData",

                                       data: JSON.stringify(obj),

                                       dataType: "json",

                                       success: function (data)

                                       {

                                                      // HOW TO COMPARE FETCH ID FROM DATABASE AND MY LOCAL ID IN THIS AJAX FUNCTION 

 

                                                 $.ajax({

                                                 type: "POST",

                                                 url: "EntryForm.aspx/GetData",

                                                 data: "{ }",

                                                 contentType: "application/json; charset=utf-8",

                                                 dataType: "json",

                                                success: function (response)

                                               {

                                               }

                                           });

                                      } 

 

   Please Replay as soon as possible.

   Thank You Sir......