javascript - How can do calculations in ajax update div? -


i did application using javascript multiply quantity price working first row.

here controller:

def index    @products= customerproduct.all end   def selected_product    @selected_product = customerproduct.find(params[:id]) end

here index view: (is showing products , div update)

<% @products.each |product| %>  <p>      <%= product.product_name %>     <%= link_to_remote image_tag("image.png"),:url=>{:controller=>"customer_product",:action=>"selected_product",:id=>product.id } %>  </p> <% end %>  <div id="list_products">    ## here div update after select product. </div>

here ajax update replace div: "selected_product.rjs"

 page.insert_html(:bottom,"list_products", :partial=>"customer_product/partials/add_product")

here partial view add_product.erb, showing information selected

<script type="text/javascript"> jquery("#quantity").live("change", function(){     quantity = parsefloat(jquery(this).val() );     importe = parseint(jquery("#importe").val());      total2 = quantity*importe;        jquery("#total2").val(total2.tofixed(2));     jquery("#total2").autonumericset(total2.tofixed(2));    }); jquery('input#total2').autonumeric(); </script>  <% @products.each |product| %>  <p>     <%= text_field_tag 'code',@selected_product.product_code,:maxlength=>"10",:size=>"10" if @selected_product %>     <%= text_field_tag 'name',@selected_product.product_name,:size=>"40" if @selected_product %></td>     <%= text_field_tag 'quantity',@net_insurance.to_i ,:value=>"1" ,:maxlength=>"9",:size=>"8" if @selected_product%>     <%= text_field_tag 'importe',@selected_product.product_price ,:readonly=>true,:size=>"10" if @selected_product %>     <%= text_field_tag 'total2',@total2.to_i,:maxlength=>"12",:size=>"12" if @selected_product %>  </p> <% end %>

is working fine first row

enter image description here

but not working after adding more rows

enter image description here

seems javascript working first row.

please can me problem?

the problem here accessing fields using ids. ids the same on every product row. valid html, id of every element must unique, , that's reason jquery selectors picking first row.

to solve issue, either generate unique ids each row, or use other ids. classes, example.

here's modified version of change handler use classes:

jquery(".quantity").live("change", function() {      // find parent <p> element of quantity field     var row = jquery(this).parent();      // retrieve values fields in row     quantity = parsefloat(jquery(this).val());     importe = parseint(row.find(".importe").val());      // calculation     total2 = quantity * importe;      // set value to total2 field in row     row.find(".total2").val(total2.tofixed(2));     row.find(".total2").autonumericset(total2.tofixed(2)); });

Comments

Post a Comment

Popular posts from this blog

commonjs - How to write a typescript definition file for a node module that exports a function? -

consider, toml node module can use: // toml.d.ts declare module toml { export function parse(value:string):any; } declare module "toml" { export = toml; } then: /// <reference path="../../../../../defs/toml/toml.d.ts"/> import toml = require('toml'); toml.parse(...); however, node module export single function, such 'glob' ( https://github.com/isaacs/node-glob ). the node usage of module be: var glob = require("glob") glob("*.js", {}, callback(err, files) { ... }); you'd naively expect this: // glob.d.ts declare function globs(paths:string, options:any, callback:{(err:any, files:string[]):void; ...but because typescripts 'import' semantics bit strange, seems can use 'import .. = require()' statement alias modules . trying call: /// <reference path="../../../../../defs/glob/glob.d.ts"/> import blog = require('glob'); results in: error ts2072: mod...
Read more

openid - Okta: Failed to get authorization code through API call -

i'm integrating okta own idp server using okta's api. i'm implementing authorization code flow following steps below: in own server, use /api/v1/authn endpoint sessiontoken. use sessiontoken obtain authorization calling endpoint: /oauth2/v1/authorize?client_id=" + clientid + "&sessiontoken=" + sessiontoken + "&response_type=code&response_mode=query&scope=openid&redirect_uri=" + redirecturl + "&state=evanyang&nonce=" it's supposed return response status code 302 , location header containing redirect url code value. however, keep getting response status code 200 , without location header, html body saying "you using unsupported browser." , "javascript disabled on browser." according api documentation: http://developer.okta.com/docs/api/resources/oidc.html#authentication-request , sessiontoken parameter sufficient this: an okta one-time sessiontoken. allows api-based ...
Read more

ios - Change Storyboard View using Seague -

i have following code checks connection server, , depending on want change views if no connection found. nsstring *connect = [nsstring stringwithcontentsofurl:[nsurl urlwithstring:@"http://myserver.com"] encoding:nsutf8stringencoding error:nil]; if (connect == null) { [self performseguewithidentifier:@"network_failure" sender:self]; } else { // other code here } my problem not change views. have added storyboard segue between 2 views identifier of network_failure . not have navigation controller or that, problem? thanks help! no not problem. first of all, in objectivec exists nil object oriented null . must use that. so: if(connect == nil) or better: if(!connect) so due fact nil not same of null , probably code does't enter in if scope . you have been able discover breakpoint. anyway: be sure set trigger segue (line) 2 view controller , , name network_failure (that not best name. should instead view1toview2 ) as, m...
Read more