How do I send data from C# textbox to a HTML textbox?

Question

I am working with a C# program which has a textbox txtPath and an HTML website that has another textbox txtWebPath. The website is written in JavaScript.

txtPath is being filled by openFileDialog, while txtWebPathis being filled via drag-and-drop. My goal is to have a button that sends txtPath value to txtWebPath.

Is there a way to do that?

The only way is to statically generate a html file where you insert the data. Normally you want a server and something that generates the website dynamically, like ASP.NET. — nanu_nana
– nanu_nana, Commented Jun 29, 2020 at 9:31
Is the website opened in a completely separate browser, or do you display it in a WebBrowser control inside your c# application? If you are using a WebBrowser control, you should be able to do it via the WebBrowser control's JS bindings. If it is in a separate browser, you would somehow have to match up the web application to the c# application and use some server side api with e.g. SignalR to send data to the browser. This will be a lot more difficult, though. — Christoph Herold
– Christoph Herold, Commented Jun 29, 2020 at 9:37

SpeedyCodes · Accepted Answer · 2020-06-29 09:38:52Z

1

You could look into using WebSockets: they connect a server (the C# program in your case) with a web browser (in Javascript). You can find more about how you would write such programs here:

answered Jun 29, 2020 at 9:38

SpeedyCodes

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