asp net web api rest tutorial

CSV format.The following example uses HttpClient to get the CSV data and write it to a file:The following example uses HttpClient to get the CSV data and write it to a file:HttpClient client = new HttpClient ();Add the Accept header//adds the Accept header client.DefaultRequestHeaders.Accept.Add (new Mediatypewithqualityheadervalue (" Text/csv "));Get the result and write it to a file.//(port 9000 was just an example port number.) Get the result and write it to the file//(port number 9,000 is o

Note: This article is part of the ASP. NET Web API Series tutorial, if you are looking at this blog post for the first time, please look at the previous content first.Part 5:creating a Dynamic UI with Knockout.jsPart 5th: Creating a dynamic UI with Knockout.jsThis article qu

Overview The rest API, which is generated by rest (representational state transfer representational status transfer), is increasingly being discussed, and Microsoft has added the functionality of the Web API to ASP. We are just lo

1. Web API Brief DescriptionRecently, many large platforms have exposed web APIs. such as Baidu map Web API, do map related people are familiar. Exposing the service this way makes it easy to integrate functionality with a wide variety of device and client platforms, and to

("Products ({ID})/default.getcatandtown")] Public Ihttpactionresult Getcatandtown ([fromodatauri] int id) { var list = db. Products.where (r = r.id = = Id); return Ok (list); }Of course this time we request http://localhost:6785//Odata/Products (1)/default.getcatandtown will error 404, the solution is to add a trailing slash to the requested URLThis time we http://localhost:6785//Odata/Products (1)/default.getcatandtown/will be good, the specific reaso

[Original article address]ASP. net mvc 4, ASP. NET web API and ASP. NET web pages V2 (razor) No

Link the book to open the previousArticleProject. (You can download the ASP. NET web API tutorial from the previous article (1) Your first web API)Add a class library project entities

property as the primary key and maps it to an identity column in the database table. when you create a new Product instance, you won't set a value for Id, because the database generates the value.According to the Conventions, the Entity Framework uses the Id attribute as the primary key and maps it to the Id column in the database table. When creating a new Product instance, you do not need to set a value for the Id because the database generates it.The ScaffoldColumn attribute tells

, because Entify Entity Framework needs to create and seed the database. the response shoshould something similar to the following:Send an HTTP request to "http: // localhost: portnum/api/admin ". The first request may be slow to complete, because the Entity Framework needs to create and implant databases. The response should be similar to the following:Copy codeThe Code is as follows:HTTP/1.1 200 OKServer: ASP