.Net Interview Questions, Resources, Tips & Tricks.

SQL most efficient way to query xml nodes

noreply@blogger.com (Anil Kumar Reddy) — Wed, 19 Oct 2011 18:33:00 +0000

Most efficient way to query nodes in XML is to use XQuery methods like .value, .nodes, .query and .exists methods For Examples, check below...

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How to use Variable in SQL IN Clause

noreply@blogger.com (Anil Kumar Reddy) — Wed, 19 Oct 2011 18:25:00 +0000

DECLARE @EmpID VARCHAR(8000) SET @EmpID = '''Emp1'',''Emp2''' Select * from emp where empid in(@empid) - This doesnt work... For solution check the below...

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Parallel Computing in .NET Framework 4.0

noreply@blogger.com (Anil Kumar Reddy) — Mon, 17 Jan 2011 18:26:00 +0000

Parallel Computing in .NET 4.0 – Task Parallel Library & PLINQ on Dec 05, 2010 by Anil Kumar Reddy Perugu .NET 4 introduces various parallel-programming primitives that abstract away some of the...

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WebMatrix - Microsoft new IDE (Free Tool)

noreply@blogger.com (Anil Kumar Reddy) — Thu, 15 Jul 2010 05:59:00 +0000

Have a look at WebMatrix a new IDE for Web Development. (Simplifies Web development) http://www.microsoft.com/web/webmatrix Introduction and First...

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Microsoft Jobs

noreply@blogger.com (Anil Kumar Reddy) — Thu, 15 Jul 2010 05:25:00 +0000

1. SR Software Development Engineer SQL 2005/2008 .NET Framework 3.5/4.0 ASP.NET/ASP/C# WCF/WPF/WF/Silverlight SharePoint 2007/2010 Apply Now:...

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What is Method Hiding?

noreply@blogger.com (Anil Kumar Reddy) — Fri, 09 Apr 2010 18:21:00 +0000

Method hiding is to hide/mask method in base class by creating a similar function in derived class and by using new keyword in the derived class. Unlike Method overriding, When we refer base class...

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Difference Between Function Overloading and Overriding ?

noreply@blogger.com (Anil Kumar Reddy) — Fri, 09 Apr 2010 18:20:00 +0000

Overloading means having functions with the same name but with different signature.Signature includes method name and Parameters. These functions can be part of base class or derived class. Whereas...

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What is the difference between int.Parse and int.TryParse methods?

noreply@blogger.com (Anil Kumar Reddy) — Fri, 09 Apr 2010 18:20:00 +0000

int.Parse is a simple method used to convert string to integer. It throws exception when null or invalid input is provided. Hence it is slow. int.TryParse does not thow any exception instead we must...

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What is the difference between System.Text.StringBuilder and System.String?

noreply@blogger.com (Anil Kumar Reddy) — Fri, 09 Apr 2010 18:19:00 +0000

String is immutable and string builder is mutable. String is useful as some costly operations for copying and comparing can be omitted making program simple. However, making an object immutable is...

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What do you mean by String objects are immutable?

noreply@blogger.com (Anil Kumar Reddy) — Fri, 09 Apr 2010 18:18:00 +0000

String objects are immutable as its state cannot be modified once created. Every time when we perform any operation like copy, replace, case conversion or when we pass a string object as a parameter...

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Broken Authentication and Session Management

noreply@blogger.com (Anil Kumar Reddy) — Thu, 08 Apr 2010 18:20:00 +0000

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4 ...

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SharePoint Architecture Diagram

noreply@blogger.com (Anil Kumar Reddy) — Sat, 20 Mar 2010 11:22:00 +0000

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SharePoint Coding Practices

noreply@blogger.com (Anil Kumar Reddy) — Sat, 20 Mar 2010 11:14:00 +0000

v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} Normal 0 false false false false...

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MS Excel like Ceiling function in c#.

noreply@blogger.com (Anil Kumar Reddy) — Fri, 26 Feb 2010 10:33:00 +0000

- EXcel Ceiling function returns a number rounded up based on a multiple of significance. - Example Ceiling(41.88, 10) will give 50 and Ceiling of 41.88 to 5 will give 45. - Below is the C# function...

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MS Excel like Round function in c#.

noreply@blogger.com (Anil Kumar Reddy) — Fri, 26 Feb 2010 10:28:00 +0000

1. Excel Round function behaves differently when we compare with C# Math.Round() method. 2. Also Excel Round allows Round to -1, -2... example Round(121,-1) = 120. This is not allowed in...

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Solution: How to change css class for an element in jquery?

noreply@blogger.com (Anil Kumar Reddy) — Tue, 03 Nov 2009 15:23:00 +0000

In order to change the CSS class applied to an element using jQuery we can use methods like addClass() and...

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Visual Studio 2010 and .NET 4.0 Beta 2 Released

noreply@blogger.com (Anil Kumar Reddy) — Wed, 21 Oct 2009 20:12:00 +0000

Visual Studio 2010 and .Net Framework 4.0 Beta 2 is released this wednesday. This is available for download in MSDN here http://go.microsoft.com/fwlink/?LinkID=151797 Have a look at the style and...

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JSON Serialization in VS 2008

noreply@blogger.com (Anil Kumar Reddy) — Tue, 20 Oct 2009 18:53:00 +0000

Say we need to convert serialize C# object to JSON string and transfer that to client side to be used in Javascript. DataContract attribute is added to a class and DataMember attribute is added for...

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Junior Software Developer

noreply@blogger.com (Anil Kumar Reddy) — Sun, 04 Oct 2009 08:55:00 +0000

Job Description Position: Junior Software Developer Apply Now Requirements: • Knowledge and experience in C# ,ASP.NET SQL and XML (academic project in NET is Must) • Experience working in a variety...

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Validating textbox to not allow invalid characters in all cases.

noreply@blogger.com (Anil Kumar Reddy) — Fri, 18 Sep 2009 17:43:00 +0000

In order to allow user to enter only certain characters in a textbox and also to control the maximum length of multiline textbox use the below function by calling it on onkeypress for a textbox. ...

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To get the count of messages in a MSMQ Queue in C#.NET

noreply@blogger.com (Anil Kumar Reddy) — Mon, 17 Aug 2009 15:39:00 +0000

There is no direct property provided with MessageQueue class. We can use GetMessageEnumerator2 to get the enumerator to enumerate and get the count of number of messages present in the queue. The...

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Silverlight 3 Released

noreply@blogger.com (Anil Kumar Reddy) — Wed, 29 Jul 2009 17:56:00 +0000

Silverlight 3 and associated developer tools have been released! Visit the Silverlight Community site to download all you need to build great Web experiences with Silverlight 3. You can also learn...

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Fix: Cutom Javascript Does not load in case of Partial Postback using UpdatePanel.

noreply@blogger.com (Anil Kumar Reddy) — Fri, 17 Jul 2009 15:33:00 +0000

When we are using Update Panel for asynchronous Partial page postback static javasctipt files will not be loaded and we may see error like "Permission Denied" or something like Error:...

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Alternative: $(document).ready handler will not be fired on asynchronous postback.

noreply@blogger.com (Anil Kumar Reddy) — Fri, 03 Jul 2009 08:26:00 +0000

Like in case we are using updatepanel under which we have postback button along with jQuery calender textbox. And datepicker is attached to a textbox in document ready event handler. Upon postback...

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Fundamentals of jQuery

noreply@blogger.com (Anil Kumar Reddy) — Sun, 07 Jun 2009 16:21:00 +0000

Introduction: . jQuery is a fast, lightweight JavaScript library that is CSS3 compliant and supports many browsers. . The jQuery framework is extensible and very nicely handles DOM manipulations,...

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