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	<title>Techartifact &#187; .NET</title>
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	<description>Latest tip and information on Java and Oracle ADF</description>
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		<title>Three main categories of design patterns?</title>
		<link>http://www.techartifact.com/blogs/2011/11/three-main-categories-of-design-patterns.html</link>
		<comments>http://www.techartifact.com/blogs/2011/11/three-main-categories-of-design-patterns.html#comments</comments>
		<pubDate>Fri, 25 Nov 2011 19:45:47 +0000</pubDate>
		<dc:creator>Vinay</dc:creator>
				<category><![CDATA[.NET]]></category>
		<category><![CDATA[Common]]></category>
		<category><![CDATA[Design Pattern]]></category>
		<category><![CDATA[Interview Questions]]></category>
		<category><![CDATA[Java]]></category>
		<category><![CDATA[Abstract Factory]]></category>
		<category><![CDATA[Builder]]></category>
		<category><![CDATA[Decorator]]></category>
		<category><![CDATA[Prototype]]></category>
		<category><![CDATA[Singleton]]></category>

		<guid isPermaLink="false">http://www.techartifact.com/blogs/?p=1310</guid>
		<description><![CDATA[There are three basic classifications of patterns Creational, Structural, and Behavioral patterns. Creational Patterns • Abstract Factory:- Creates an instance of several families of classes • Builder: &#8211; Separates object construction from its representation • Factory Method:- Creates an instance of several derived classes • Prototype:- A fully initialized instance to be copied or cloned • Singleton:- A class in [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>reCAPTCHA : Free Captcha service for ASP.NET</title>
		<link>http://www.techartifact.com/blogs/2011/01/recaptcha-free-captcha-service-for-asp-net.html</link>
		<comments>http://www.techartifact.com/blogs/2011/01/recaptcha-free-captcha-service-for-asp-net.html#comments</comments>
		<pubDate>Sun, 23 Jan 2011 10:23:44 +0000</pubDate>
		<dc:creator>Anky Goyal</dc:creator>
				<category><![CDATA[.NET]]></category>
		<category><![CDATA[Open Source]]></category>
		<category><![CDATA[ASP.NET]]></category>
		<category><![CDATA[ASP.NET 2.0]]></category>
		<category><![CDATA[ASP.NET 4.0]]></category>
		<category><![CDATA[C#.NET]]></category>
		<category><![CDATA[Web Development]]></category>

		<guid isPermaLink="false">http://www.techartifact.com/blogs/?p=1067</guid>
		<description><![CDATA[Its a common requirement that we require a captcha to be integrated on our page. I would like to mention a free captcha service which can be implemented in integrated on websites. What is reCaptcha? reCAPTCHA is a free CAPTCHA service that helps to digitize books, newspapers and old time radio shows. It&#8217;s Free! Yep, [...]]]></description>
		<wfw:commentRss>http://www.techartifact.com/blogs/2011/01/recaptcha-free-captcha-service-for-asp-net.html/feed</wfw:commentRss>
		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Introduction to JSON (Javascript Object Notation)</title>
		<link>http://www.techartifact.com/blogs/2011/01/introduction-to-json-javascript-object-notation.html</link>
		<comments>http://www.techartifact.com/blogs/2011/01/introduction-to-json-javascript-object-notation.html#comments</comments>
		<pubDate>Sat, 22 Jan 2011 17:57:46 +0000</pubDate>
		<dc:creator>Anky Goyal</dc:creator>
				<category><![CDATA[.NET]]></category>
		<category><![CDATA[Common]]></category>
		<category><![CDATA[Javascript]]></category>
		<category><![CDATA[Open Source]]></category>
		<category><![CDATA[JSON]]></category>

		<guid isPermaLink="false">http://www.techartifact.com/blogs/?p=1053</guid>
		<description><![CDATA[What is JSON? JSON (Javascript Object Notation) is a light weight data interchange format. JSON is a subset of the literal object notation in JavaScript. It can be compared to XML but parsing of JSON is very much easier than XML data. It is a text format of data and is programming language independent. In [...]]]></description>
		<wfw:commentRss>http://www.techartifact.com/blogs/2011/01/introduction-to-json-javascript-object-notation.html/feed</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Storing URL Re-Write rules in a seperate file</title>
		<link>http://www.techartifact.com/blogs/2010/08/storing-url-re-write-rules-in-seperate-file.html</link>
		<comments>http://www.techartifact.com/blogs/2010/08/storing-url-re-write-rules-in-seperate-file.html#comments</comments>
		<pubDate>Thu, 05 Aug 2010 09:37:13 +0000</pubDate>
		<dc:creator>Umesh Mehra</dc:creator>
				<category><![CDATA[.NET]]></category>

		<guid isPermaLink="false">http://www.techartifact.com/blogs/?p=978</guid>
		<description><![CDATA[When using rewrite maps in IIS URL Rewrite it is very common to have a very large number of entries in a rewrite rules. In order to avoid cluttering the configuration file - web.config - with this configuration data the rewrite rules can be defined in a separate configuration file. That file can then be referenced from the web.config file. [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>ASP.NET 4.0 &#8211; Persisting Row Selection in Data Controls</title>
		<link>http://www.techartifact.com/blogs/2010/05/asp-net-4-0-persisting-row-selectio.html</link>
		<comments>http://www.techartifact.com/blogs/2010/05/asp-net-4-0-persisting-row-selectio.html#comments</comments>
		<pubDate>Tue, 25 May 2010 12:55:59 +0000</pubDate>
		<dc:creator>Anky Goyal</dc:creator>
				<category><![CDATA[.NET]]></category>
		<category><![CDATA[ASP.NET 4.0]]></category>
		<category><![CDATA[Microsoft]]></category>

		<guid isPermaLink="false">http://www.techartifact.com/blogs/?p=962</guid>
		<description><![CDATA[Problem Statement In older versions of ASP.NET, When we select any row in a GridView or ListView controls, the selection is based on the row index of the page. For example, If we select row no 3 on page 1 and then move to page 2, we will see row no 3 again selected on [...]]]></description>
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		<slash:comments>8</slash:comments>
		</item>
		<item>
		<title>Introduction to MVVM pattern in WPF</title>
		<link>http://www.techartifact.com/blogs/2010/03/introduction-to-mvvm-pattern-in-wpf.html</link>
		<comments>http://www.techartifact.com/blogs/2010/03/introduction-to-mvvm-pattern-in-wpf.html#comments</comments>
		<pubDate>Fri, 19 Mar 2010 14:08:56 +0000</pubDate>
		<dc:creator>Anky Goyal</dc:creator>
				<category><![CDATA[.NET]]></category>
		<category><![CDATA[Common]]></category>
		<category><![CDATA[Architecture]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[Patterns]]></category>
		<category><![CDATA[Wpf]]></category>

		<guid isPermaLink="false">http://www.techartifact.com/blogs/?p=937</guid>
		<description><![CDATA[The Model View ViewModel (MVVM) is an architectural pattern used in software engineering that originated from Microsoft as a specialization of the Presentation Model design pattern introduced by Martin Fowler. Largely based on the Model-view-controller pattern (MVC), MVVM is targeted at modern UI development platforms (Windows Presentation Foundation and Silverlight) in which there is a [...]]]></description>
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		<slash:comments>5</slash:comments>
		</item>
		<item>
		<title>Nullable Type in C#</title>
		<link>http://www.techartifact.com/blogs/2010/01/nullable-type-in-cshar.html</link>
		<comments>http://www.techartifact.com/blogs/2010/01/nullable-type-in-cshar.html#comments</comments>
		<pubDate>Sat, 30 Jan 2010 15:02:13 +0000</pubDate>
		<dc:creator>Anky Goyal</dc:creator>
				<category><![CDATA[.NET]]></category>
		<category><![CDATA[C#.NET]]></category>
		<category><![CDATA[Microsoft]]></category>

		<guid isPermaLink="false">http://www.techartifact.com/blogs/?p=912</guid>
		<description><![CDATA[Nullable type in C# We can declare a variable as nullable when we want to know that a value has been assigned to that variable or not. Declaring a variable as nullable enables the HasValue and Value members. We can use the HasValue property on the variable to check if the value has been assigned [...]]]></description>
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		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>.NET and J2EE. Status as of now and scope in future.(Updated with important note)</title>
		<link>http://www.techartifact.com/blogs/2009/10/net-and-j2ee-status-as-of-now-and-scope-in-future.html</link>
		<comments>http://www.techartifact.com/blogs/2009/10/net-and-j2ee-status-as-of-now-and-scope-in-future.html#comments</comments>
		<pubDate>Sat, 10 Oct 2009 18:54:16 +0000</pubDate>
		<dc:creator>Anky Goyal</dc:creator>
				<category><![CDATA[.NET]]></category>
		<category><![CDATA[Common]]></category>
		<category><![CDATA[Java]]></category>
		<category><![CDATA[.NET 4.0]]></category>
		<category><![CDATA[J2EE]]></category>
		<category><![CDATA[Microsoft]]></category>

		<guid isPermaLink="false">http://www.techartifact.com/blogs/?p=885</guid>
		<description><![CDATA[Big question today: What is the scope of .NET and J2EE platforms. Which one is more dominant in industry today? I want to answer this question in this post with my viewpoint with no intentions of hurting anybody but with a sole intention of increasing the knowledge of J2EE for .NET people and .NET for [...]]]></description>
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		<slash:comments>30</slash:comments>
		</item>
		<item>
		<title>Anonymous Constructor in C#</title>
		<link>http://www.techartifact.com/blogs/2009/08/anonymous-constructor-in-c.html</link>
		<comments>http://www.techartifact.com/blogs/2009/08/anonymous-constructor-in-c.html#comments</comments>
		<pubDate>Mon, 17 Aug 2009 10:38:23 +0000</pubDate>
		<dc:creator>Anky Goyal</dc:creator>
				<category><![CDATA[.NET]]></category>
		<category><![CDATA[C#.NET]]></category>
		<category><![CDATA[Microsoft]]></category>

		<guid isPermaLink="false">http://www.techartifact.com/blogs/?p=855</guid>
		<description><![CDATA[C# 3.0 introduced a very compact way of initializing objects of a class. Previously we used to initialize objects like this: Now, with the new feature known as Anonymous Constructors or Object Intializers we can do the same code in C# 3.0 and above like this: In the C# 3.0 code, there is no constructor [...]]]></description>
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		<slash:comments>5</slash:comments>
		</item>
		<item>
		<title>Regular Expression for alphanumeric password in C#</title>
		<link>http://www.techartifact.com/blogs/2009/08/regular-expression-for-alphanumeric-password-in-c.html</link>
		<comments>http://www.techartifact.com/blogs/2009/08/regular-expression-for-alphanumeric-password-in-c.html#comments</comments>
		<pubDate>Wed, 05 Aug 2009 13:24:37 +0000</pubDate>
		<dc:creator>Anky Goyal</dc:creator>
				<category><![CDATA[.NET]]></category>
		<category><![CDATA[ASP.NET]]></category>
		<category><![CDATA[C#.NET]]></category>
		<category><![CDATA[Microsoft]]></category>
		<category><![CDATA[Password]]></category>
		<category><![CDATA[RegExpr]]></category>

		<guid isPermaLink="false">http://www.techartifact.com/blogs/?p=823</guid>
		<description><![CDATA[The task at hand is to validate the Textbox in asp.net for a valid password which should be an alphanumeric string consisting of numbers and alphabets only. It should have atleast 1 number and 1 a We can attach a RegularExpressionValidator to the text box with the following regular expression:]]></description>
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		<slash:comments>4</slash:comments>
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