Articles (2414) - Page 143

Creating Image Reflection in Silverlight 2.0 

Silverlight 2.0 provides robust features to enable developers to create rich and funky user interfaces. In this post I will share with you some basics of XAML Transforms. Using these techniques we shall create a simple image mirroring or image reflection solution.

Accessing Webservice by using Sys.Net.WebRequest 

In this article we are going to see how to access the webservice from Sys.Net.WebRequest where we can find the country by entering the IP address.

Ajax style File Upload 

In this article we are going to see the fileupload without postback.. We are going to do this by using ICallbackEventHandler..

Cracking the COBIT 4.1 Foundation Exam 

Cracking the COBIT Foundation exam requires just 3 days of dedicated focus

LINQ FAQ Part 3 

This is the third series in my LINQ FAQ series. In this series we will cover LINQ FAQ’s related to concurrency handling, compiled queries, CRUD implementation and mapping simple .NET classes with XML file configuration. I love to write articles in FAQ format for the only purpose that they are to the point and you can get to know more by reading less.

Migration strategy for simple .NET classes to LINQ classes 

When new technologies are introduced one of the biggest business challenges faces is migrating the current projects to new technologies with least effort. I am sure scratch development is not always a preferred option from business investment point of view. One of the new technologies which is talked most is ‘LINQ’. This article will focus on how we can convert simple existing .NET classes in to LINQ enabled classes.

Data Concatenation - SQL Server 

In this article, I shall show how to concatenate data from COLUMN1 by grouping against COLUMN2 without looping CURSOR.

SQL Server SUBSTRING - Explained 

We have used SUBSTRING in many ways/scenarios. This article explains how it works.

How to handle concurrency in LINQ to SQL? 

In this article we will touch base some important concepts of handling concurrency in LINQ to SQL. We will first see how LINQ supports optimistic concurrency and then we will see what support LINQ provides to handle concurrency violation. We will then touch base on some fine tuning features provided by LINQ at field level and finally we will end this article by discussing two important error reporting options when concurrency conflict happens.

jQuery and ASP.NET AJAX UpdatePanel 

This article describes the solution of the problem in which jQuery doesn't work for elements placed under ASP.NET AJAX UpdatePanel when partial postback is done.

Abstract Class - Explained 

Questions on Abstract class are very frequently asked in interviews:) Apart from interviews Abstract class is also very important to know when you are designing or working on a real time applications that needs proper design. I am not expert in this however trying to explain what I know out of my limited knowledge. This article tries to cover Abstract class, Abstract method, Abstract property and difference between abstract method and virtual method.

How to improve your LINQ query performance by 5 X times ? 

LINQ has been criticized by many early adopters for its performance issues. Well if you are just going to drag and drop using DBML code generator I am sure you will land up in to mess. Try doing this make a simple LINQ to SQL project using DBML and see your SQL profiler, I am sure you will never like to touch DBML code generator again.

LINQ FAQ Part II 

This FAQ article is dedicated to LINQ to SQL. In this article we will see a basic example of LINQ to SQL, how to define 1-1 and 1-many relationship using LINQ, how we can optimize LINQ queries, execution of stored procedures using LINQ and finally we will see a simple CRUD example using LINQ to SQL. For past some days I was running small sprint to complete this marathon I hope you will like this article.

CRUD operations using LINQ Entities 

This is a pretty simple tutorial dedicated to LINQ newbie’s who want to learn how to do CRUD operations using LINQ entities. I am sure many experienced LINQ players would criticize me for such a mild article. One of the biggest catch which I found is the in-memory update service by LINQ, which I think for any newbie for LINQ is a must to understand.

Simple 6 steps to use stored procedure in LINQ 

This is an extremely small article which describes how to flourish LINQ objects using stored procedure. What provoked me to write this article is the ‘ExecuteMethodCall’ function which helps to execute stored procedures in LINQ. As this is a protected function it changes the way you architect the DAL using ‘DataContext’ class and probably you would like to tweak and consider some options here. You can see more details of it when you read through the steps below. I am writing a huge series of LINQ FAQ and these small articles form small sprints to complete the huge FAQ series. I hope you enjoy it.