Some websites are working without Postback browser loading [closed] - c#

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I don't know how to explain my question. sorry if i made any wrong.
In web based POS system, whole system is worked like a software means there is no postback loading in browser. when i am using page navigation OR anything else,
there is no browser load. URL was not changing even when i am navigating beween pages.
I don't think they are using ajax call because POS systems are always huge systems and also not used iframes. they were not used DIV hide show even.
I want to know how they create this kind of websites because i need to create POS system which is not loading at every page event using C# MVC.
Eg, https://wallacepos.com/

It's fully with JavaScript. Please use some js frameworks like ReactJs, AngularJs, BackboneJs etc... you can create nice POS using those.

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Post some content from website to Facebook page [closed]

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I want to create a website which will allow user to login with his/her Facebook credentials. Now, my website would allow user to post some content (text plus images) and also if user posts it on my website, it should also be posted on a page (which is also created and owned by me).
Is it possible to do that? If yes, can anyone point to any resource which explains how to do it?
Yes it is very easy task, you must rely on some facebook SDK, more precise, you need to choose a library that offers wrapping classes around FB Graph Api i.e. Api Client.
This being said, check the following links as a start and continue developing according to your application requirements.
https://github.com/facebook-csharp-sdk
https://www.nuget.org/packages/Facebook
P.S: the library you choose must support OAuth, and you should read more about this protocol.

Generating forms that use an MVC Web API [closed]

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I am developing an interface that customizes and generates forms for customers to use on their own site. When a user logs in to the interface, he can create a form, add or remove fields from existing forms, and the system will generate the file.
I want to know what's the best approach for doing this. Making these forms independent and just use HTML/Javascript? or have them part of the overall MVC solution inside a Views folder so it can have server side code?
Probabily the best way is not to store the entire form, but having some metadata that describe the forms, then generate the gui dynamically. There are many ways to doing this, it basically depends on your skill, and your specifics, personally im developing something similar right now and i chose Angular2.
Here an example:
https://angular.io/docs/ts/latest/cookbook/dynamic-form.html

How can I add an intro to a Windows Phone application? [closed]

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I want to add a good welcome intro to my Windows Phone Application, like the Dropbox's one.The welcome's pages are very simple, I mean there will be just come text and image, and in the last one the user will be required to register or to login. What kind of layout/tecniques is possible to use ? This welcome intro should be display only if it is the first time, that the user opens the application, or if he hasn't registered to the service. I think the easiest way is to save same variable in the settings preferences memory, isn't it ? Thank you in advance for your suggestion !
UPDATE
What I'm looking for it is to create a welcome pages which describe to the user what the application does. The layout I'm looking for it is very similar to the Dropbox's one, which has some points at the end of the pages.
Quite a broad question, there are many ways on how to approach this. I would do it like this
Create a IsLoggedIn method on my data service
In App.xaml.cs, check if the user is logged in, if yes, launch with the main page, if not launch with the intro page
In the intro page, I would use a FlipView. I would add one fake item at the end of the FlipView and redirect to the main page if the user flips to it.

Remote desktop via web browser using C#/ASP.NET [closed]

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I'm planning to create a VNC that can be view in browser. The inspiration for this code is Thinvnc but i would like to implement it using C# .NET . Is it possible to create such an application? what are the components that are going to use? thank you in advance ^_^
It is possible, at least for VNC. Well, I'd say it would be better to go with the java on this one. You could take one of the open source projects and extend it's functionality so it is served from the web page.
if you really want to go with C# you'll need to use silverlight.
One thing is having a page and the other component that knows how to handle vnc. Using asp/html/... won't get you far - you need to use java/silverligh - C#/flash...
Best regards,
P.

Search Engine Optimization (SEO) & Friendly URLs using ASP.Net [closed]

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please tell me best to achieve Search Engine Optimization (SEO) & Friendly URLs using ASP.Net
As far as SEO is concerned take a look at this guide from Google: http://www.google.com/support/webmasters/bin/answer.py?answer=35291&topic=15260
It won't tell you exactly how to do it in ASP.NET but it will give advice on how to improve your websites SEO in general. Then once you decide a task to improve your SEO, you can focus on how to achieve that specific item in ASP.NET.
I have some ideas for you;
1- avoid using table. use div instead.
2- write the title of the page then use general description of the page;
for instance; Apples , Goldville Co.
3- keep your keywords up to five for each page. use a sentence for the description which only describes the current page.
4- for asp.net I recommend intelligencia component which is free. or if you use asp.net mvc, friendly url comes default.
5- keep linking among pages. like wikipedia does.
and never forget; content is the king!
good luck
bk

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