If you are Classic ASP programmer or PHP programmer, you probably use SSI include files quite a lot on your web applications and you probably also know that this has worked quite reasonably well for all of you. But the major disadvantages would be maintaining the code once your web projects has grow bigger. Major problem would be to keep up with the HTML opening and closing tags. Its quite hard to debug the code if you are adding some HTML files in your include files and then later on you find that it produce funny result on certain page. There are no visual GUI or IDE that can help you to see the design view. The only way to debug is by viewing the page in the browser. This has taken quite a lot of developer time. The code was also very messy and also you might need to include all your include files in correct order and lots of developer normally will do copy and paste for all their page.
Before Asp.net invasion there were many other programming languages and technologies on which the dynamic pages were made. In this tutorial I will explain how we can migrate our classic asp application to the modern asp.net application. Most of the components that were written was in visual basic 6 which communicated with the asp application using the COM components.
NET offers GDI+ as its tool for reviewing and manipulating images. We can also implement unsafe code to work with images. Since we try to avoid code marked as unsafe here, I opted to just use the Bitmap object's .GetPixel and .SetPixel methods instead. If you have the option to implement unsafe code, you'll want to look into .LockBits and .UnLockBits. These two methods are known to be faster for working with images.
ASP.NET is available for download as part of the .NET Framework. Following on from version 1 and version 1.1, Microsoft has released version 2.0 of the .Net Framework which includes ASP.NET 2.0. The Microsoft .NET. Framework version 2.0 redistributable package includes all the basic functionality to enable your computer to run applications and web sites developed using Microsoft?s .Net platform.
VB.NET 2005 Free Training : Visual Studio.NET Namespaces The .NET Framework class library has thousands of classes which are needed for developing and deploying solutions. In order to organize all those classes for ease of use .NET Framework uses namespaces. This Gives the Classes their own space and prevents conflicts between the various names in these classes. For instance if two classes contain a method Paint(), then to avoid conflicts in names we can place these classes in two different namespaces. Thus namespaces allow classes to be grouped in a consistent, hierarchical manner.
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