Classic Asp:

Asp, which is now more commonly known as Classic Asp was used extensively in 1990's. The idea of creating dynamic pages and linking them with database was main purpose of classic Asp. Asp used html controls for user interaction. Apart from good features available in Asp programming, it also lacks in some of major areas. These areas include clean coding as asp pages were incline pages and all business logic as well as interface was coded in a single page. This produces many problem when code had to be updated or modified. Asp pages also lacked performance and scalability which were fixed in Asp.net. Lets see what Asp.net technology has to offer a developer to build dynamic pages much faster.

Asp.net Web Applications:

Asp.net is based on .NET framework for building web applications. Since Asp.net is a part of Microsoft. NET Framework it has ability to take advantage of rich class libraries provided by Microsoft. The question is that why should one use Asp.net and not use classic asp or any other web programming technology. Here are some of features of Asp.net that makes it best web application technology.

Use of Controls:

Asp.net provides developer with several controls to perform basic as well as advanced operations. Controls provided in Asp.net falls under HTML Controls, HTML Server Controls and Web Server Controls.

HTML Controls:

Html controls are basic controls that are executed on client machine. These controls include textbox, label , image etc. A simple example of html control can be given by following code which renders an image.

As you see HTML controls are very easy to use but they don't provide much features. Microsoft decided to introduce HTML Server controls which extends functionality of simple HTML Controls.

HTML Server Controls:

HTML Server Controls looks exactly like HTML Controls with one difference that they are executed on server rather than client. A simple example of HTML Server controls is given below:

just add a runat server attribute with image tag.

This brings us to concept of disaster recovery. What is disaster recovery? If you're thinking that disaster recovery is about frantically trying to get back data that's already been lost, then you're already behind 8-ball! Disaster recovery is about safeguarding your organization's data so that it can be safely restored in event of a crippling disaster. And having an industry-standard file backup strategy is undoubtedly most important part of disaster recovery.

What you have to do is ensure that all files on server are backed up to another storage medium - tape, removable hard disk, NAS device, and so on. Most businesses choose to use tape. Let's look at how you can set up a tape backup strategy for your own business.

1. Tape - perfect backup medium

Isn't tape an anachronism in age of optical disks, removable hard drives and a plethora of whiz-bang, random-access storage media? Tape is indeed a dinosaur in relative terms, but it's ideal for backup. Tape is slow, but can store a lot of data... one mid-range tape should be enough to backup your entire server. Plus, tape is extremely cheap - mid-range tapes cost around $20 each.

2. When should you backup?

Typically, tape backup is performed at end of each day. Just put in tape and let backup process run overnight. If your server ever suffers a catastrophic disaster, you have at least saved all your files from previous day.

3. Tape Rotation

The ideal tape backup solution would involve using a new tape for each backup. This means purchasing a new tape for every day of your business's operations. This is hardly cost-effective for your business. Tape is cheap, but not that cheap!

This is why we speak of tape rotation. Tape rotation means to reuse tapes from previous backups. The simplest tape rotation scheme is to have one tape for each day of working week. Tapes are labeled Monday, Tuesday, Wednesday, Thursday and Friday.