{"id":22992,"date":"2024-03-16T00:40:49","date_gmt":"2024-03-16T00:40:49","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/"},"modified":"2024-03-22T00:12:06","modified_gmt":"2024-03-22T00:12:06","slug":"how-to-submit-json-data-using-post-in-c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/","title":{"rendered":"How to submit JSON data using POST in C#?"},"content":{"rendered":"<p>In C#, the HttpClient class can be used to send HTTP requests and submit JSON data. Below is an example code:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">using<\/span> System;\r\n<span class=\"hljs-keyword\">using<\/span> System.Net.Http;\r\n<span class=\"hljs-keyword\">using<\/span> System.Text;\r\n<span class=\"hljs-keyword\">using<\/span> System.Threading.Tasks;\r\n\r\n<span class=\"hljs-keyword\">namespace<\/span> <span class=\"hljs-title\">HttpClientExample<\/span>\r\n{\r\n    <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title\">Program<\/span>\r\n    {\r\n        <span class=\"hljs-function\"><span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">async<\/span> Task <span class=\"hljs-title\">Main<\/span>(<span class=\"hljs-params\"><span class=\"hljs-built_in\">string<\/span>[] args<\/span>)<\/span>\r\n        {\r\n            <span class=\"hljs-comment\">\/\/ \u521b\u5efa\u4e00\u4e2aHttpClient\u5b9e\u4f8b<\/span>\r\n            <span class=\"hljs-keyword\">using<\/span> (HttpClient client = <span class=\"hljs-keyword\">new<\/span> HttpClient())\r\n            {\r\n                <span class=\"hljs-comment\">\/\/ \u8bbe\u7f6e\u8bf7\u6c42\u7684\u5185\u5bb9\u7c7b\u578b\u4e3aapplication\/json<\/span>\r\n                client.DefaultRequestHeaders.Accept.Clear();\r\n                client.DefaultRequestHeaders.Accept.Add(<span class=\"hljs-keyword\">new<\/span> System.Net.Http.Headers.MediaTypeWithQualityHeaderValue(<span class=\"hljs-string\">\"application\/json\"<\/span>));\r\n\r\n                <span class=\"hljs-comment\">\/\/ \u6784\u9020\u8981\u53d1\u9001\u7684JSON\u6570\u636e<\/span>\r\n                <span class=\"hljs-keyword\">var<\/span> json = <span class=\"hljs-string\">\"{\\\"name\\\":\\\"John\\\", \\\"age\\\":30}\"<\/span>;\r\n\r\n                <span class=\"hljs-comment\">\/\/ \u6784\u9020HTTP\u8bf7\u6c42\u5185\u5bb9<\/span>\r\n                <span class=\"hljs-keyword\">var<\/span> content = <span class=\"hljs-keyword\">new<\/span> StringContent(json, Encoding.UTF8, <span class=\"hljs-string\">\"application\/json\"<\/span>);\r\n\r\n                <span class=\"hljs-comment\">\/\/ \u53d1\u9001POST\u8bf7\u6c42<\/span>\r\n                <span class=\"hljs-keyword\">var<\/span> response = <span class=\"hljs-keyword\">await<\/span> client.PostAsync(<span class=\"hljs-string\">\"http:\/\/example.com\/api\/endpoint\"<\/span>, content);\r\n\r\n                <span class=\"hljs-comment\">\/\/ \u83b7\u53d6\u54cd\u5e94\u5185\u5bb9<\/span>\r\n                <span class=\"hljs-keyword\">var<\/span> responseString = <span class=\"hljs-keyword\">await<\/span> response.Content.ReadAsStringAsync();\r\n\r\n                <span class=\"hljs-comment\">\/\/ \u8f93\u51fa\u54cd\u5e94\u5185\u5bb9<\/span>\r\n                Console.WriteLine(responseString);\r\n            }\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>The code above utilizes the HttpClient class to send a POST request with the content being a JSON string. Initially, we set the content type of the request as application\/json using the HttpClient.DefaultRequestHeaders property. Next, we construct a StringContent object to encapsulate the JSON data to be sent, specifying the content type as application\/json. Then, we use the HttpClient.PostAsync method to send the POST request, passing the request URL and content. Finally, we can retrieve the response content using the HttpResponseMessage.Content property and read it as a string using the ReadAsStringAsync method.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In C#, the HttpClient class can be used to send HTTP requests and submit JSON data. Below is an example code: using System; using System.Net.Http; using System.Text; using System.Threading.Tasks; namespace HttpClientExample { class Program { static async Task Main(string[] args) { \/\/ \u521b\u5efa\u4e00\u4e2aHttpClient\u5b9e\u4f8b using (HttpClient client = new HttpClient()) { \/\/ \u8bbe\u7f6e\u8bf7\u6c42\u7684\u5185\u5bb9\u7c7b\u578b\u4e3aapplication\/json client.DefaultRequestHeaders.Accept.Clear(); client.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue(&#8220;application\/json&#8221;)); [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-22992","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to submit JSON data using POST in C#? - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to submit JSON data using POST in C#?\" \/>\n<meta property=\"og:description\" content=\"In C#, the HttpClient class can be used to send HTTP requests and submit JSON data. Below is an example code: using System; using System.Net.Http; using System.Text; using System.Threading.Tasks; namespace HttpClientExample { class Program { static async Task Main(string[] args) { \/\/ \u521b\u5efa\u4e00\u4e2aHttpClient\u5b9e\u4f8b using (HttpClient client = new HttpClient()) { \/\/ \u8bbe\u7f6e\u8bf7\u6c42\u7684\u5185\u5bb9\u7c7b\u578b\u4e3aapplication\/json client.DefaultRequestHeaders.Accept.Clear(); client.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue(&quot;application\/json&quot;)); [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-16T00:40:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T00:12:06+00:00\" \/>\n<meta name=\"author\" content=\"Olivia Parker\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Olivia Parker\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/\"},\"author\":{\"name\":\"Olivia Parker\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3ff7b3da0e45ac5dbbef2502f3cea8d9\"},\"headline\":\"How to submit JSON data using POST in C#?\",\"datePublished\":\"2024-03-16T00:40:49+00:00\",\"dateModified\":\"2024-03-22T00:12:06+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/\"},\"wordCount\":127,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/\",\"name\":\"How to submit JSON data using POST in C#? - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\"},\"datePublished\":\"2024-03-16T00:40:49+00:00\",\"dateModified\":\"2024-03-22T00:12:06+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.silicloud.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How to submit JSON data using POST in C#?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"name\":\"Silicon Cloud Blog\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\",\"name\":\"Silicon Cloud Blog\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"contentUrl\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"width\":1024,\"height\":1024,\"caption\":\"Silicon Cloud Blog\"},\"image\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\",\"https:\/\/twitter.com\/SiliCloudGlobal\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3ff7b3da0e45ac5dbbef2502f3cea8d9\",\"name\":\"Olivia Parker\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/56c66f189ba32a6f9eb50f31a38fe774e2a725c213d4070835ccc51b8fbbc54b?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/56c66f189ba32a6f9eb50f31a38fe774e2a725c213d4070835ccc51b8fbbc54b?s=96&d=mm&r=g\",\"caption\":\"Olivia Parker\"},\"url\":\"https:\/\/www.silicloud.com\/blog\/author\/oliviaparker\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"How to submit JSON data using POST in C#? - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/","og_locale":"en_US","og_type":"article","og_title":"How to submit JSON data using POST in C#?","og_description":"In C#, the HttpClient class can be used to send HTTP requests and submit JSON data. Below is an example code: using System; using System.Net.Http; using System.Text; using System.Threading.Tasks; namespace HttpClientExample { class Program { static async Task Main(string[] args) { \/\/ \u521b\u5efa\u4e00\u4e2aHttpClient\u5b9e\u4f8b using (HttpClient client = new HttpClient()) { \/\/ \u8bbe\u7f6e\u8bf7\u6c42\u7684\u5185\u5bb9\u7c7b\u578b\u4e3aapplication\/json client.DefaultRequestHeaders.Accept.Clear(); client.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue(\"application\/json\")); [&hellip;]","og_url":"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-16T00:40:49+00:00","article_modified_time":"2024-03-22T00:12:06+00:00","author":"Olivia Parker","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"Olivia Parker","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/"},"author":{"name":"Olivia Parker","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3ff7b3da0e45ac5dbbef2502f3cea8d9"},"headline":"How to submit JSON data using POST in C#?","datePublished":"2024-03-16T00:40:49+00:00","dateModified":"2024-03-22T00:12:06+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/"},"wordCount":127,"commentCount":0,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/","url":"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/","name":"How to submit JSON data using POST in C#? - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/#website"},"datePublished":"2024-03-16T00:40:49+00:00","dateModified":"2024-03-22T00:12:06+00:00","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/blog\/how-to-submit-json-data-using-post-in-c\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.silicloud.com\/blog\/"},{"@type":"ListItem","position":2,"name":"How to submit JSON data using POST in C#?"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/blog\/#website","url":"https:\/\/www.silicloud.com\/blog\/","name":"Silicon Cloud Blog","description":"","publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.silicloud.com\/blog\/#organization","name":"Silicon Cloud Blog","url":"https:\/\/www.silicloud.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","contentUrl":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","width":1024,"height":1024,"caption":"Silicon Cloud Blog"},"image":{"@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/SiliCloudGlobal\/","https:\/\/twitter.com\/SiliCloudGlobal"]},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/3ff7b3da0e45ac5dbbef2502f3cea8d9","name":"Olivia Parker","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/56c66f189ba32a6f9eb50f31a38fe774e2a725c213d4070835ccc51b8fbbc54b?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/56c66f189ba32a6f9eb50f31a38fe774e2a725c213d4070835ccc51b8fbbc54b?s=96&d=mm&r=g","caption":"Olivia Parker"},"url":"https:\/\/www.silicloud.com\/blog\/author\/oliviaparker\/"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/22992","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/comments?post=22992"}],"version-history":[{"count":1,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/22992\/revisions"}],"predecessor-version":[{"id":56944,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/22992\/revisions\/56944"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/media?parent=22992"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/categories?post=22992"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/tags?post=22992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}