I have a c# windows application that can successfully record audio using user's desktop mic.
Now i want this facility to run from ASP.NET website. (Note: user would not have this application installed on his machine).
Is there a way that i can run this application from a web page and record and save sound file on user's desktop? I searched on google and found that it is achievable using ActiveX. But i am not sure how to do this.... :((
Any Clue...??
Thanks...
You are not going to be able to do this using standard HTML / web browser functionality.
You will need to use a richer, client-side platform like Silverlight or Flash. ActiveX could also support this, but it's a pretty dated technology. Better to go with Silverlight or Flash.
Related
Is there a way to cross-compile or port an ASP.NET based webpage to a native Windows GUI?
I am developing a web app, with an ASP.NET webservice doing much of the grunt work, and an ASP.NET webpage as the GUI. I would like to also offer an "offline" version of the app that doesn't require teaching random people how to manage IIS. Some of my target users will not have internet access consistently when they want to use the app; also, I like not having to rely on an active web connection myself because I'm an old fogey and this web 2.0 stuff is just a fad, right?
The core of the app logic is a library that is disassociated from everything else - the service just provides an API (which I want publicly available for others to use), and that I use for my own app. I could go ahead and design a new GUI in WPF or WinForms, import my libraries and there you go, but I'm lazy enough that I'm curious if there's an automated solution. Or even a semi-automated solution.
If I can target not-Windows as well, that would be nice. I already have a console interface that I used in development of the core library that directly accesses them, which I'm still testing but should relatively easy to make work in WINE but if I can offer more support for offline use to non-Windows users I'd feel better.
You could run that web application on .NET Core in a self-hosted way. That way you get the full IIS feature set and there is no need for the user to configure anything.
You can then use a WebBrowser control to show the application as a GUI app, or just open the web site in the users installed browser.
.NET Core runs on non-Windows as well.
I know that you can use ASP.NET to do that stuff but: Is it possible to write internet browser available content(website) by WPF or WCF?
Exacly I mean write CRM by WPF to which you can log by browser and use it by browser.
No, you can't write an application with WPF and then run it in a browser.
You can use XBAP to create a browser application that can use the benefits of the .NET framework and all the things you can do in a WPF application.
I need to build a web application in asp.net where users can use their scanner to upload images to the website. Is there a flash or a silverlight component out there that can accomplish this?
Flash or Silverlight might not a good choice. You may use an ActiveX (in IE) or an NPAPI plugin (Chrome, Firefox, etc.) to get access to the scanner via the TWAIN API.
If you have the time or a limited budget, you can create your own plugin. Otherwise, you can try a commercial TWAIN library. Dynamsoft has a multi-browser web-scanning toolkit which supports scanning and uploading images in all mainstream browsers/
Disclaimer: I work for Dynamsoft.
Is there a way to make a desktop application easily interfaceable via Web ? Meaning, can you have a way to interface with a single desktop application as if you were remote desktop'd into the machine but not? I am looking at doing this in ASP.NET or Silverlight.
I'm not sure if this is exactly what you are looking for...
If you were able to create your entire application UI in Silverlight and host it properly (in IIS or whatever) it would then be accessible from anywhere on the web. If you needed the perception of a real desktop app when running locally, you could then just make some simple app (WinForms, WPF, whatever) which contains a web browser control that could also load up the hosted Silverlight app (and just be a transparent browser). Depending on what the application is doing, you would obviously need some sort of service layer (probably in WCF) do to all of the heavy lifting and data access.
I guess the main question would be: can you accomplish everything your application needs to do in Silverlight? Since Silverlight is meant to run in a browser, it can be very limiting.
There are many solutions based on plugins. Some of the popular ones:
Citrix
Spoon
If you're ok with plugins, but only if they're common ones (flash, java), there are various solutions:
http://www.wizhelp.com/flashlight-vnc/
http://www.tightvnc.com/doc/java/README.txt (bundled java applet with TightVNC)
If you don't want plugins at all, there's an experimental HTML5/javascript VNC viewer:
http://guacamole.sourceforge.net/
I want to build a web application (SaaS) that can work both in Online and Offline modes. The user needs limited features in case he is offline and full feature access when he becomes online again. I thought of the following options:
Make the user download a local server such as Cassini and devise an architecture to allow online and offline modes in the web application. I am not sure how it will be done but I believe all the commands will be routed through this local server. The local server will then decide whether it accesses the local resources or the server.
Making a user install application on his system will defeat the whole idea behind SaaS.
Use Google Gears - I just checked how Google Docs work in offline mode. It installs Google Gears on the user's system which was pretty neat and fast and copies all the files locally. A link is provided to access the offline version. This seems like a good option to me as it integrates a local server, relational datastore and a worker pool in itself but is Google Gears mature enough to be used in production?
Has anyone worked/working on such an application. Ideas welcome.
EDIT #1:
I am not very familiar with Silverlight and whether it can be used in such a scenario.
EDIT #2: The following link mentions that SilverLight can be used to develop Offline applications Offline SilverLight
I am looking for expert comments from people who have used SilverLight in their development. Can user work offline? Can user re-open the same webpage after closing the browser window?
If you choose to let users install an app on their computer, I would consider developing a Windows Forms app instead of a web app, basically because this seem like a more logical solution. If you deploy the app using ClickOnce it is remarkably easy to keep the clients up to date.
From a user's point of view, I think that Gears is mature. I use in it Gmail, Google Calendar and Google Docs, pretty much without any problems. I don't know about the developer tools. It might help to use Google Clusure Library since it has methods specific for Google Gears.
Depending on the web browser that you need to support, you could also take a look at HTML 5. O'Reilly's online book Building iPhone Apps with HTML, CSS, and JavaScript has a chapter about making a web app work in offline mode.
Seems to me that "web application" and "offline mode" are a bit contradictory.
I have seen some examples of Silverlight being used in such a way however. And, at one time, I implemented a WinForms smart client application that worked in such a way. These days, though, I would definately look into Silverlight.