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Over the last few weeks I have been writing about AJAX and ASP.NET (Part 1, Part 2, Part 3 and Part 4). AJAX model reduces server post backs using client script and XMLHTTP. Now that ASP.NET 2.0 is re...
One of the new cool feature added to VB.NET is "My" objects. My objects is a set of objects that are implicitly available to your application which provide short cut to many tasks otherwise seem ted...
In Part 2 we discussed how to work with DataSet returned by the web form. The disadvantage of using web forms as data suppliers is that one web form typically returns only one DataSet. You need to put...
In the Part 2 of this series we saw how to deal with DataSet and populate controls such as ListBox. Since we are populating the control values from the client side script; they will not be accessible ...
In the previous article I explained the overall concept of AJAX and how it can save you server post backs. Our last example was a simple "hello world" kind of example. In this part I will explain ho...
ASP.NET page processing model is post back based. That means in order to handle any server side event you must post the form back to the server. This event driven model is certainly powerful and rich ...
On-line web applications providing some business functionality often need to exchange data between other applications. For example, data displayed in a DataGrid might be needed by an Excel spreadsheet...
In the previous article of this series (Part 1, Part 2, Part 3, Part 4) we learnt to create hash values. Continuing our journey ahead we will cover Digital Signatures. Digital signatures are used to v...
In this part we are going to learn how to ensure that data coming to you has not been tampered with during the transfer. The technique that we will be using is hashing algorithms. Hash values allow us...
From Part 1 we know that public key encryption consists of two keys - public key and private key. Data encrypted by public key can be decrypted only by the corresponding private key and vice a versa. ...
In the Part 1 we learnt the basics of Cryptography and related .NET Framework classes. In this article we are going to see how to work with Secret Key Encryption using Triple-DES algorithm....
Security is key consideration for many applications. Providing authentication and authorization services to your application is just one part of the overall security. What about the data that is being...
In Part1, Part 2 and Part 3 we developed shopping cart using cookies, session variables and database respectively. In this article I will illustrate how to create a single wrapper to all he three appr...
In the previous three article we have seen how a typical 3-tier application looks like and how to achieve isolation between Data Access Layer and Business Object Layer. Taking it one step ahead this a...
In the previous two article I explained the concept behind N-tier applications and also gave you a simple example. This example builds on what we developed previously and illustrates how to achieve mo...
Many days back I wrote an articled titled N-Tier Applications and .NET with an explanation of basic concepts involved in developing N-Tier application. I received feedback from many many readers that ...
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