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XMLHttpRequest.open POST request with parameters asp.net


XMLHttpRequest.open POST request with parameters asp.net

By : Pasear Wu
Date : November 22 2020, 10:38 AM
around this issue I'm trying to use a javascript XMLHttpRequest object to post back to my action method. , I did the following and it worked:
code :
xmlhttp.open('POST', '../Employees1/HandleFileUpload?year=2014', true);


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need to open url and pass hidden parameters (post request), primefaces

need to open url and pass hidden parameters (post request), primefaces


By : Smart Programmer
Date : March 29 2020, 07:55 AM
Any of those help HTML does not allow you to send POST parameters via a hyperlink, which is what an renders. You can use a , as explained below, to call JavaScript; it should look something like this:
code :
<p:commandLink type="button" onclick="<javascript here>">
Use XMLHttpRequest to post data tback to webserver with parameters

Use XMLHttpRequest to post data tback to webserver with parameters


By : Miguel Ramírez
Date : March 29 2020, 07:55 AM
seems to work fine Web api is a bit different then asp.net mvc controllers and Web api default mapper is a bit different too. 1. create c# class to hold input to web api
code :
public class JsData{
public string Blob{get;set;}
}
public User PostUser(string blob)
public User PostUser(JsData input) 
Ajax POST XMLHttpRequest() can't send parameters with & characther

Ajax POST XMLHttpRequest() can't send parameters with & characther


By : Binghong Fu
Date : March 29 2020, 07:55 AM
around this issue & is the character used to separate key/value pairs in form encoded data (including in query strings).
You have to escape it as %26 if you want to send it as data.
Can't properly send Request Body on the node.js version of XMLHttpRequest when doing POST request

Can't properly send Request Body on the node.js version of XMLHttpRequest when doing POST request


By : Steven
Date : March 29 2020, 07:55 AM
will be helpful for those in need You can transform a URLSearchParams instance into a query string, like the one that you build manually, by using the toString() method.
I don't know if the Content-Type header is set to application/x-www-form-urlencoded by default in the node-XMLHTTPRequest version, but it couldn't hurt to set it manually.
code :
const xhr = new XMLHttpRequest();
xhr.open("POST", 'https://login.microsoftonline.com/common/oauth2/v2.0/token');
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');

const data = new URLSearchParams();
data.append('client_id', clientId);
data.append("grant_type", "authorization_code");
data.append("scope", "openid email profile");
data.append("code", code);
data.append("redirect_uri", "http://" + req.headers.host + req.url);
data.append("client_secret", secret);

xhr.onreadystatechange = () => {
    if (xhr.readyState == 4) {
        console.log(xhr.status + "\n" + xhr.responseText + "\n");
    }
};

xhr.send(data.toString());
javascript with XMLHttpRequest's open method: using post and its parameters

javascript with XMLHttpRequest's open method: using post and its parameters


By : Tim H
Date : March 29 2020, 07:55 AM
I hope this helps . You don't want to set request headers. What you want is to send request body along. And the body should be like
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