How to Get the HTTP Post data in C

Question

I am using Mailgun API  There is a section that I need to provide a URL to them  then they are going to HTTP Post some data to me   I provide this URL  http   test com MailGun Webhook aspx  to Mailgun  so they can Post data  I have a list of parameter names that they are sending like  recipient domain  ip        I am not sure how get that posted data in my page  In Webhook aspx page I tried some code as follows but all of them are empty    lblrecipient text  Request Form  recipient      lblip Text  Request Params  ip      lbldomain Text   Request QueryString  domain      Not sure what to try to get the posted data

User · Answer

This code reads the raw input stream from the HTTP request  Use this if the data isn t available in Request Form or other model bindings or if you need access to the bytes text as it comes   using var reader   new StreamReader Request InputStream       content   reader ReadToEnd

User · Answer

Use this       public void ShowAllPostBackData                 if  IsPostBack                        string   keys   Request Form AllKeys              Literal ctlAllPostbackData   new Literal                ctlAllPostbackData Text     lt div class  well well-lg  style  border 1px solid black z-index 99999 position absolute   gt  lt h3 gt All postback data  lt  h3 gt  lt br   gt                for  int i   0  i  lt  keys Length  i                                  ctlAllPostbackData Text      lt b gt     keys i      lt  b gt       Request keys i       lt br   gt                              ctlAllPostbackData Text      lt  div gt                this Controls Add ctlAllPostbackData

User · Answer

You can simply use Request  recipient   to  read the HTTP values sent by a client during a Web request      To access data from the QueryString  Form  Cookies  or ServerVariables   collections  you can write Request  key     Source   MSDN  Update  Summarizing conversation  In order to view the values that MailGun is posting to your site you will need to read them from the web request that MailGun is making  record them somewhere and then display them on your page   You should have one endpoint where MailGun will send the POST values to and another page that you use to view the recorded values   It appears that right now you have one page  So when you view this page  and you read the Request values  you are reading the values from YOUR request  not MailGun

User · Answer

In my case because I assigned the post data to the header  this is how I get it   protected void Page Load object sender  EventArgs e               postValue   Request Headers  Key      This is how I attached the value and key to the POST   var request   new NSMutableUrlRequest url       HttpMethod    POST        Headers   NSDictionary FromObjectAndKey FromObject value   FromObject  key       webView LoadRequest request

User · Answer

This code will list out all the form variables that are being sent in a POST  This way you can see if you have the proper names of the post values   string   keys   Request Form AllKeys  for  int i  0  i  lt  keys Length  i          Response Write keys i           Request Form keys i       lt br gt

User · Answer

In the web browser  open up developer console  F12 in Chrome and IE   then open network tab and watch the request and response data  Another option - use Fiddler  http   fiddler2 com     When you get to see the POST request as it is being sent to your page  look into query string and headers  You will see whether your data comes in query string or as form - or maybe it is not being sent to your page at all   UPDATE  sorry  had to look at MailGun APIs first  they do not go through your browser  requests come directly from their server  You ll have to debug and examine all members of Request Params when you get the POST from MailGun

User · Answer

Try this  string   keys   Request Form AllKeys  var value       for  int i  0  i  lt  keys Length  i             here you get the name eg test 0  quantity       keys i         to get the value you use    value   Request Form keys i

User · Answer

You are missing a step   You need to log   store the values on your server  mailgun is a client    Then you need to retrieve those values on your server  your pc with your web browser will be a client    These will be two totally different aspx files  or the same one with different parameters    aspx page 1  the one that mailgun has    var val   Request Form  recipient    var file   new File filename   file write val   close file     aspx page 2   var contents       if  File exists filename     var file   File open filename     contents   file readtoend      file close    Request write contents

[c#] How to Get the HTTP Post data in C#?

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