asp.net - jQuery Autocomplete Select Label and Value and show only label -

i'm trying search customer data jquery autocomplete. have following scenario.

customer name , mobile number should display list selection , on selection, have display customer name autocomplete textbox.

have tried following code, won't work.

$("#txtservicecustsearch").autocomplete(            {                          source: function (request, response) {                   $.ajax({                       url: '<%=resolveurl("~/autocomplete.asmx/getservicecustomer") %>',                       data: "{ 'prefix': '" + request.term + "'}",                       datatype: "json",                       type: "post",                       contenttype: "application/json; charset=utf-8",                       success: function (data) {                           $("[id*='grvhistory']").empty();                           response($.map(data.d, function (item) {                                                            return {                                   label: item.split('$')[0],                                   val: item.split('$')[1],                                   val1: item.split('$')[2],                                   val2: item.split('$')[3],                                   val3: item.split('$')[4],                                   val4: item.split('$')[5],                                   val5: item.split('$')[6],                                   val6: item.split('$')[7],                                   val7: item.split('$')[8]                               }                           }))                       },                       error: function (response) {                           alert(response.responsetext);                       },                       failure: function (response) {                           alert(response.responsetext);                       }                   });               },               select: function (e, i) {                   $("#txtserviceaddress").val(i.item.val);                   $("#txtpincode").val(i.item.val1);                   $("#txtservicecontactno").val(i.item.val2);                   $("#txtlandmark").val(i.item.val3);                   $("#txtemailid").val(i.item.val4);                   $("#txtservicedob").val(i.item.val5);                   $("#txtservicemobileno").val(i.item.val6);                $("#txtservicecustsearch").val(i.item.val7); },               close: function (e, i) {               },               minlength: 3           }); 

add

 e.preventdefault() 

in select: function (e, i)