mvc ajax tutorial

Five ajax interaction methods between Spring MVC frontend and backend Frontend ajax and backend Spring MVC controllers have the following five Data Interaction methods. (DhtmlxGrid is used at the front end and fastjson is used at the backend) Method 1: PASS Parameters through URL Mount parameters through URL, such as

Ajax mvc server returns Json data, the client obtains Json data, mvcjson Controller Using System; using System. collections. generic; using System. linq; using System. web; using System. web. mvc; using System. web. script. serialization; namespace MvcApplication2.Controllers {public class HomeController: Controller {public ActionResult Index () {return View ()

) {alert (data); }); }}functionBtn02click () {varnum = $ (' #userId '). Val (); if(num = = ") {alert (' Please enter your account! ‘); } Else{$.post (' Ajaxuser2.do ', {userid:num},function(data) {alert (Data.userid+ '----' +data.username+ '----' +data.usersex); }, "JSON"); }}Java Bean PackageCom.stone.bean;Importjava.util.Arrays;Importjava.util.Date;ImportOrg.springframework.format.annotation.DateTimeFormat; Public classUserInfo {PrivateInteger userId; PrivateString UserName; PrivateString U

has been saved. In fact, data is stored in the form form this element, as to how to save, here is not much to pursue.Key is called Data_click,value is behind that lump. Data_click is a variable, full-text search, at the top will find its statementvar data_click = "Unobtrusiveajaxclick"That lump is actually a trinocular operator, and when name has a value, put the following object in an array, and plainly, Data_click holds the name and Value property of the Submit button:var o = { = name, =

1.MVC comes with Ajax applications,Steps to use:The first step is to introduce JS framework src= ".. /.. /scripts/jquery-1.4.4.js " type=" Text/javascript ">script > src= ".. /.. /scripts/jquery.unobtrusive-ajax.js " type=" Text/javascript"> Script >The second step is to call the Ajax method in MVCSub-situationA. If the form contains content that needs t

jquery Ajax is as follows:$.ajax ({ ' ... ', ' get ', xhrfields: { true }, ' Application/json; Charset=utf-8 ', function (data) { //... }});"Problems encountered"1) At first the Ajax code did not add "withcredentials:true", found that the AJAX request did not bring cookies.2) after

Before you can start using the Ajax helper method, you must load jquery and the Jquery.unobtrusive-ajax.js file in the page to perform properly.In order for the website to load the appropriate JS library, the layout page must first be loaded into the appropriate JS file, in the MVC4 template, the jquery file is added by default, the code is as follows:1 @Scripts. Render ("~/bundles/jquery")2 @RenderSection (" Scripts"false)where @scri

Calling the action method with ASP. NET MVC is straightforward.One, no parameter method.1, first, the introduction of Jquery-1.5.1.min.js script, according to the version of different people choose their own.2. Write the action that the foreground Ajax needs to invoke in controllers, such as:Public ActionResult test1 () {return Content ("returns a string"); }This action returns a st

1. PrefaceCSRF (Cross-site request forgery) cross-site solicitation forgery, the ASP. NET MVC application improves the user experience by using AJAX requests, browser developer tools can be at a glance at the mountains small, it is easy to forge a request to attack the application, thereby leaking core data, Cause security issues. Microsoft's own antiforgerytoken can be solved, and the syntax is simple (the

dataUpdatetargetid ="movieslist" //where to overwrite (value is tag ID) })){ "Search"Name="searchstring"/> "Submit"Name="Filter"/>} @Html. Partial ("_movies", Model)/*refers to a partial view, the first value is the partial view name, and the second value is the MO Del Pass through .*/5, create a new view, check the new view, "created as partial view", and then the display page of all the data displayed in the views of the label and code cut to the new partial view, note to the model

In asp.net mvc, if ajax is used to pass parameters to the server, if the parameter is a class or an array (or List set) and more complex objects, the server always fails to get the value. Of course, there are also many examples on the Internet, but they are all trying to solve the problem on the server (for example, converting json to a string, and deserialize it into an object on the server). Why can't we