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In the first two installments of this series, I have explained how to get the Visual Basic software and how to start your first desktop application. Today, I will take this a step further and introduce to you a Visual Basic world with more possibilities. Today, you will learn how to create programs for other platforms.
A Web App, or a Web Application, is an application that runs in a Web browser. The benefit of Web applications is that, because it runs on a Web platform, the application does not need to be installed on a PC and that each PC has a Web browser on it.
For more information regarding Web Applications, read here.
Creating a Web Application
Once Visual Studio is loaded, you can click File, New Project. Select Web in the list and it will display a box similar to Figure 1:
Figure 1: File, New Project
Or, you could click File, New Web site to show the following narrowed-down project template list, as shown in Figure 2.
Figure 2: File, New Website
Select ASP.NET Web Forms Site from the list. A screen similar to Figure 3 will show. It does take a while because it needs to create the necessary details in your IIS. Before I continue, let me give some more background on IIS.
Figure 3: Creating a Project
Internet Information Services (IIS) is an extensible Web server that is hosted locally on your PC. For more detailed information regarding IIS, read at the link earlier in this sentence.
After your Web site project has been created, your design interface will resemble Figure 4.
Figure 4: Web Application design interface
It does look quite different from a Desktop application. Because you are creating a Web Application, not only the design will be different but your tools in your Toolbox will also look different, as shown in Figure 5.
Figure 5: Web Application Toolbox
You may also want to have a look at the Solution Explorer.
Figure 6: Solution Explorer
It already contains three Web pages:
This is your app's skeleton. Default will be your home page, which is the very first page of your Web site. Contact and About are quite self explanatory.
Because a basic interface has already been created, you can feel free to build further onto the page, or you could add your own controls from the toolbox to it. For now, Let us make use of the existing design.
Design your page as follows:
Figure 7: Our Design
You may have noticed that you cannot edit much of the design at this stage. Why? Well, to give each page of your app the same look and feel, you need to utilize the Site Master.
Here is more information regarding the Site Master.
Click Site.Master in the top right corner of your page to open up the Site Master. Design your Site Master as follows:
Figure 8: Site Master Design
Save your Project and switch back to the Default page. You will notice that the Site Master changes reflect now on this page as well.
Figure 9: New Default
Mobile applications run on a mobile platform. This platform includes cellular phones and tablets. Unlike Web applications, there are many different types of mobile platforms, which include Windows Phone, Android, and iPhone. The trick here is that you need an IDE that can cater to all these different platforms. This is where Visual Studio comes in very handy because it has the ability to write a single mobile app that can be run on many different platforms; in other words, a platform-independent app gets created.
Creating a Mobile Application
First off: There are so many different mobile development tools available that can help you create decent mobile applications for all platforms. Later, I will supply a full list of available options to aid in your mobile development.
Secondly: Seeing the fact that this article is only an introduction, I have decided to take the easiest route for you to learn the concepts behind mobile programming. This project will be a Windows Phone project, which will only work on a Windows Phone.
Start Visual Studio, if you haven't already done so. Click File, New Project, and Select Windows Phone from the list and then select Windows Phone App and click OK. Your screen should resemble Figure 10.
Figure 10: Mobile App Project
Again, your Toolbox as well as your Solution Explorer will look different.
Figure 11: Solution Explorer
Design your Interface to resemble Figure 12:
Figure 12: Our Design
Run your app and you will see that an Emulator starts up and displays your app as it would look like on a Windows Phone.
Here are a few links to get you started with Windows Phone Programming:
More mobile development platforms:
As you can see, the world of Visual Basic just gets bigger and bigger and Visual Basic just grows more and more powerful. With these different platforms, you now can explore Visual Basic's true power further.