http-post

Response.Redirect which POSTs data to another URL in ASP.NET

you can send huge data also with this trick.. Response.Clear(); StringBuilder sb = new StringBuilder(); sb.Append(“<html>”); sb.AppendFormat(@”<body onload=’document.forms[“”form””].submit()’>”); sb.AppendFormat(“<form name=”form” action='{0}’ method=’post’>”,postbackUrl); sb.AppendFormat(“<input type=”hidden” name=”id” value=”{0}”>”, id); // Other params go here sb.Append(“</form>”); sb.Append(“</body>”); sb.Append(“</html>”); Response.Write(sb.ToString()); Response.End();

How to simulate browser HTTP POST request and capture result in C#

You could take a look at the WebClient class. It allows you to post data to an arbitrary url: using (var client = new WebClient()) { var dataToPost = Encoding.Default.GetBytes(“param1=value1&param2=value2”); var result = client.UploadData(“http://example.com”, “POST”, dataToPost); // do something with the result } Will generate the following request: POST / HTTP/1.1 Host: example.com Content-Length: 27 … Read more

View not updating after post

it should be the ModelState problem. if you use Htmlhelper to Display id value. Default HtmlHelper display ModelState value not Model. Try display model value in view <td> @Model.id </td> or Clean ModelState Value in controller ModelState.Clear(); or reset id value after SaveChange. theCar.Save(); ModelState[“id”].Value = theCar.id return View(theCar); Reset the value of textarea after … Read more

Send JSON POST request with PHP

You can use CURL for this purpose see the example code: $url = “your url”; $content = json_encode(“your data to be sent”); $curl = curl_init($url); curl_setopt($curl, CURLOPT_HEADER, false); curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); curl_setopt($curl, CURLOPT_HTTPHEADER, array(“Content-type: application/json”)); curl_setopt($curl, CURLOPT_POST, true); curl_setopt($curl, CURLOPT_POSTFIELDS, $content); $json_response = curl_exec($curl); $status = curl_getinfo($curl, CURLINFO_HTTP_CODE); if ( $status != 201 ) { … Read more

post request using python to asp.net page

Where did you get the value viewstate and eventvalidation? On one hand, they shouldn’t end with “…”, you must have omitted something. On the other hand, they shouldn’t be hard-coded. One solution is like this: Retrieve the page via URL “http://www.indiapost.gov.in/pin/” without any form data Parse and retrieve the form values like __VIEWSTATE and __EVENTVALIDATION … Read more

On Android, make a POST request with URL Encoded Form data without using UrlEncodedFormEntity

If you don’t mind using an HttpURLConnection instead of the (recommended) HttpClient then you could do it this way: public void performPost(String encodedData) { HttpURLConnection urlc = null; OutputStreamWriter out = null; DataOutputStream dataout = null; BufferedReader in = null; try { URL url = new URL(URL_LOGIN_SUBMIT); urlc = (HttpURLConnection) url.openConnection(); urlc.setRequestMethod(“POST”); urlc.setDoOutput(true); urlc.setDoInput(true); urlc.setUseCaches(false); … Read more

Getting a POST endpoint to work in self-hosted (WebServiceHost) C# webservice?

I think a simple code can answer all your questions Task.Factory.StartNew(()=>StartServer()); Thread.Yield(); StartClient(); void StartServer() { Uri uri = new Uri(“http://localhost:8080/test”); WebServiceHost host = new WebServiceHost(typeof(WCFTestServer), uri); host.Open(); } void StartClient() { try { WebClient wc = new WebClient(); //GET string response1 = wc.DownloadString(“http://localhost:8080/test/PutMessageGET/abcdef”); //returns: “fedcba” //POST with UriTemplate string response2 = wc.UploadString(“http://localhost:8080/test/PutMessagePOSTUriTemplate/abcdef”, JsonConvert.SerializeObject(new { … Read more

How to send multiple parameterts to PHP server in HTTP post

For the network operation these is better supporting API like AFNetworking available witch work async and way better to handle Tutorials for AFNetworking Get from here NSArray *keys = @[@”UserID”, ]; NSArray *objects = @[@(userId)]; NSDictionary *parameter = [NSDictionary dictionaryWithObjects:objects forKeys:keys]; AFHTTPClient *httpClient = [[AFHTTPClient alloc] initWithBaseURL: [NSURL URLWithString:BaseURLString]]; [httpClient setParameterEncoding:AFJSONParameterEncoding]; [httpClient registerHTTPOperationClass:[AFJSONRequestOperation class]]; NSMutableURLRequest … Read more