ASP.NET Articles (487) - Page 25

Delete Message of Confirmation 

This is delete confirmation in Gridview

Implementing Audit trail using trigger 

There are many way of doing audit trail and in one of my previous article I had discussed how we can implement audit trail using prototype pattern

FileHandler 

You can download and upload word document using this lines of code.

ListPicker 

There is no more difference in windows and web listbox it is so simple to implement in web.

Show Glow 

This article show glow on any message

GenerateMD5Hash 

These code can convert in Hash.

DropShadow 

This article is useful for displaying shadow

ImageUploadUsingSqlDataSource 

These code can insert image in database using sqldatasource.

Checking Existing Records Using Array of Data Rows 

This code explains the method to check the existing database records without using for loops and improving the performance to the applications.

Paging without a Wizard (SqldataSource Control) in ASP.NET 

Dave(CodeProject) once told me not to use Wizards. Well let me tell what I come across in ASP.NET. I came across “PAGING” and I looked for examples on the NET, all were using SqldataSource control. I have nothing against the control; I must admit that Microsoft has done a very good job on it. It’s just that I am against using the wizards. I am a type of Programmer that is interested in writing what the wizard will do for me. Others might ask questions lie “Why reinvent a wheel”. My answer is it makes me a better programmer who understands better. Now in this Article we are going to write our small Paging Application still following the N-Tier Design Style without using any wizard.

Introduction to SQL Injection in ASP.NET 

Every time I get involve in a new project that I happen to inherit, I always come across sql code in the pages and input that is not trapped. Well some of this applications are used internally and some go to clients externaly. One programmer argued about how dangerous it is to write your sql statement in the pages. In this short article am going explain the reasons why is it not a good programming practice or dangerous to your users if you don’t trap the input or if you write your sql on your pages. It is because it leads to sql injection. What is SQl Injection?

Implementing Audit/history tracking using Prototype Pattern 

Data audit trail is one of the most required features in any project. This article will talk about audit trail through application using prototype pattern. Most the projects have three tier architecture and have the core business objects in place. In this article we will see how we can leverage the current business objects to implement auditing functionalities.

How to host an asp.net webpage as service? 

Generally hosting .aspx page as services is not suggested as Web Service is especially built for this purpose. However, in some scenario this is likely to avoid an extra layer of SAOP because of Web Services protocol and to avoid adding reference to the consuming clients.

Read ConnectionString From App.config File 

Read ConnectionString Information from Application Configuration File.

LINQ FAQ for Newbie’s 

In this section we will run through basics of LINQ and then see 5 basic LINQ queries which you will always need in your project for queries. While looking at the basics we will also try to learn what problem LINQ solves from the perspective of middle tier business objects.