asp net mvc api return json

Outputs json and mvcjson for the ASP. net mvc view. Make a small exercise and output a json string for the asp.net mvc view: Create a JsonResult: Create this view: Browsing result: In MVC3, how does one output

Both of these methods are returned in the form of Httpresponsemessage,Way one: In the form of a stringvar content = new Stringcontent ("{\" filename\ ": \" "+ FileName +" \ "}"); Httpresponsemessage response = new Httpresponsemessage () { Content = content};response. Content.Headers.ContentType = new Mediatypeheadervalue ("Application/json");Way two: By the way the object (here is a dictionary)var fileNames = new dictionaryHttpresponsemessage resp

Use Knockout practices in ASP. net mvc 04 to control the json format content of the View Model, knockoutjson Generally, you need to convert the View Model to json format and send it to the server. However, in many cases, View Model includes both fields and methods. We only w

1. Modify the Web. config directly, but this is for all Action.Method 2.Add a category with the content shown below:Using system;using system.collections.generic;using system.linq;using system.web;using System;using System.web.http.filters;namespace workflow.filters{Public class Allowcrosssitejsonattribute: ActionFilterAttribute {public override void OnActionExecuted (Httpactionexecutedcontext ActionExecutedContext) { if (actionexecutedcontext.response! = null)

ASP. net mvc solves the JSON loop call problem, mvcjson 1. Newtonsoft. Json, an open-source Json serialization tool for. Net, provides a solution to the serialization cycle reference pr

;　　The Controller->action code is as follows (you need to reference the System.IO and System.Web.Script.Serialization namespaces):1 [HttpPost]2 Publicactionresult Save ()3 {4 varSR =NewStreamReader (request.inputstream);5 varstream =Sr. ReadToEnd ();6JavaScriptSerializer js =NewJavaScriptSerializer ();7 varList = js. Deserialize(stream);8 if(list. Any ())9 {Ten foreach(varIteminchlist) One

I recently encountered a JSON serialization problem when I was working on a project.Environment: ASP. NET MVC 4.0Database: SQL 2008The Easyui Treegrid binding when the retrieved data is passed from the background in JSON to the foreground by tracing hints: An error occurred

. Grade, user. Major, user. Class, user. Address)); } returnJson (NewJavaScriptSerializer ()). Serialize (Userinfos)); } }}View CodeForeground a JS method: (using AJAX to load user data asynchronously to the foreground)//using AJAX to get datafunctionAjaxgetdata () {$.ajax ({URL:'/home/ajaxgetuserinfos ', type:' Post ', Async:true, Success:function(data) {varUserdatas = eval (' (' + data + ') '); varn =userdatas.length; vari = 0; for(i = 0; i ) {

System.IO and System.Web.Script.Serialization namespaces):[HttpPost] PublicActionResult Save () {varSR =NewStreamReader (Request.inputstream); varstream =Sr. ReadToEnd (); JavaScriptSerializer JS=NewJavaScriptSerializer (); varList = js. Deserialize(stream); if(list. Any ()) {foreach(varIteminchlist) { } } returnView (); }SelectList object class (class can be added here [Serializable] or no, because there is no direct tran

By default, WEB APIs use the request sent by the browser Header of the client to determine the returned format, as shown in red. The browser uses XML by default. Therefore, if we do not limit the Accept value of the Header, XML is returned by default. The data formats returned by the wen api server mainly include XML and JSON. Our idea is to directly remove the XML format from the server, so naturally we ha

　　Demand Scenarios　　The view layer often needs to send a collection of JSON objects in the background via Ajax, but it cannot be received in the background through listCorrect handling method:When the Ajax sends the request, sets the ContentType to: Application/json, does not have the manual setting, will adopt the default ' application/x-www-form-urlencoded ' type, therefore the background receives not.　　

The 1..Net Open source JSON serialization tool Newtonsoft.json provides a circular reference problem to solve serialization: Method 1: Specify the JSON serialization configuration as Referenceloophandling.ignore Method 2: Specify Jsonignore to ignore reference objects Example 1, solving the MVC

. However, it is not guaranteed that all server controls are available. There may be other reasons for you to choose not to use the server control. We do not have the PostBack and page sending events mechanisms. When submitting a form, we basically use the native web method, and the amount of data transmitted is more reasonable. We use less viewstate. It is useless, which means we can still use it. Because of the limitations of the MVC Architect

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ASP. net mvc and ASP. NET WebForm, asp. netmvcwebform ASP. net mvc is a WEB development framewo

-3517-4cd0-bcdd-9d23f3850402content-type: Application/HTTP; msgtype = requestget/Foo/bar HTTP/1.1 HOST: localhost-- 3bc5bd67-3517-4cd0-bcdd-9d23f3850402content-type: Application/HTTP; msgtype = requestGET/API/values/1 HTTP/1.1 HOST: localhost-- 3bc5bd67-3517-4cd0-bcdd-9d23f3850402 -- Statuscode: 200, reasonphrase: 'OK', version: 1.1, content: system. net. HTTP. streamcontent, headers: {Pragma: No-Cache cach

minutes Note: When you start Visual Studio for the first time, you must select a predefined setting. Each predefined definition is designed to match different development styles, and determines the form layout, Editor behavior, SMART awareness of code slices, and dialog box options. When the General Development Settings set is used, action descriptions are provided during the experiment to help complete the specified task in Visual Studio. If you select different settings for your development e

ASP. NET Web API practice series 06, added the use of ASP. net web api, mvcasp.net This article attempts to add ASP. NET Web APIs to the exi

the new ASP. NET Project dialog box, select the empty template. In "Add folders and core references for", select the Web API. Click OK.Note: You can also use the Web API template to create a Web API. The Web API template uses

ASP. net mvc 2: The first ASP. net mvc program, asp. netmvc Abstract: This article takes you step by step to create a simple ASP.