Enum.HasFlag method in C# 4.0

Enums in dot net programming is a great facility and we all used it to increase code readability. In earlier version of .NET framework we don’t have any method anything that will check whether a value is assigned to it or not. In C# 4.0 we have new static method called HasFlag which will check that...

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ASP.NET 4.0- Menu control enhancement.

Till asp.net 3.5 asp.net menu control was rendered through table. And we all know that it is very hard to have CSS applied to table. For a professional look of our website a CSS is must required thing. But in asp.net 4.0 Menu control is table less it will loaded with UL and LI tags which is easier to...

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ASP.NET Error Handling: Creating an extension method to send error email

Error handling in asp.net required to handle any kind of error occurred. We all are using that in one or another scenario. But some errors are there which will occur in some specific scenario in production environment in this case We can’t show our programming errors to the End user. So we are going...

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ASP.NET Performance tip- Combine multiple script file into one request with script manager

We all need java script for our web application and we storing our JavaScript code in .js files. Now If we have more then .js file then our browser will create a new request for each .js file. Which is a little overhead in terms of performance. If you have very big enterprise application you will have...

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Programmatically updating one update panel elements from another update panel elements

While taking interviews for asp.net candidate I am often asking this question but most peoples are not able to give this answer. So I decided to write a blog post about this. Here is the scenario. There are two update panels in my html code in first update panel there is textbox hello world and another...

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Sending mail with Gmail Account using System.Net.Mail in ASP.NET

Any web application is in complete without mail functionality you should have to write send mail functionality. Like if there is shopping cart application for example then when a order created on the shopping cart you need to send an email to administrator of website for Order notification and for customer...

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The remote host closed the connection. The error code is 0x80070057

While creating a PDF or any file with asp.net pages I was getting following error. Exception Type:System.Web.HttpExceptionThe remote host closed the connection. The error code is 0x80072746.at System.Web.Hosting.ISAPIWorkerRequestInProcForIIS6.FlushCore(Byte[] status,Byte[] header, Int32 keepConnected, Int32 totalBodySize, Int32 numBodyFragments, IntPtr[] bodyFragments, Int32[] bodyFragmentLengths,...

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Request format is unrecognized for URL unexpectedly ending exception in web service.

Recently I was getting error when I am calling web service using Java script. I searching on net and debugging I have found following things. Any web service support three kinds of protocol HttpGet,HttpPost and SOAP. In framework 1.0 it was enabled by default but after 1.0 framework it will not be enabled...

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ASP.NET MVC 3 RC2 Razor- Syntax Intellisense in view.

Microsoft has recently launched Razor view engine with ASP.NET MVC RC2. It’s going to be promising one. There are lots of features bundled with this view engine. But in earlier version of ASP.NET 3 MVC. We were are not having Synatx intellisense provided for asp.net mvc views in Visual Studio 2010....

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ASP.NET 4.0 Script Manager Enhancement Part-2 AjaxFrameworkMode Property

This will be a second part of ASP.NET 4.0 Script Manager enhancement. In this post I am going to explain about AjaxFrameworkMode Property. In Earlier asp.net version of script manager it will load entire Microsoft Ajax library whether its required or not. In asp.net 4.0 script manager we are having...

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ASP.NET 4.0- ScriptManager Enhancement Part-I- Enable CDN Property.

ASP.NET 4.0 has been a great step forward to the programming. Microsoft has done incredible job with the performance. One of them is Enable CDN Property in asp.net 4.0 Script Manager. Let's explore it in details. As you all know that Microsoft is Providing Content Delivery Network for all the Ajax script...

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DotNetQuiz 2011 on BeyondRelational.com- Want to be quiz master or participant?

Test your knowledge with 31 Reputed persons (MVPS and bloggers) will ask question on each day of January and you need to give reply on that. You can win cool stuff.My friend Jacob Sebastian organizing this event on his site Beyondrelational.com to sharpen your dot net related knowledge. This Dot NET...

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Microsoft silverlight 5.0 features for developers

Recently on Silverlight 5.0 firestarter event ScottGu has announced road map for Silverlight 5.0. There will be lots of features that will be there in silverlight 5.0 but here are few glimpses of Silverlight 5.0 Features. Improved Data binding support and Better support for MVVM: One of the greatest...

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New blogger template for My blog - DotNetJaps

I have changed my blogger template to newer version of blogger. Hope you guys liked it. There are some difficulties over there but I still love the changes that blogger has offered. I know my old version of syntax highlighter is not working. But I am fixing that for all the older posts and already did...

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ASP.NET MVC Razor IsPost property with IF –Else loop

ASP.NET MVC Razor a new view engine from Microsoft looks very promising. Here are example of code where we can determine page is post back or not. It support a IsPost Property which will tell you whether page is post back or not. So based on that we can write code for handling post back. Also one of...

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Output caching with ASP.NET MVC Razor

Caching data greatly increase the website performance as its not going to do server round trip. I have already mentioned how you can use Output caching in web forms in earlier blog post here. Let’s see how we can do same thing with asp.net mvc. For this example I have used asp.net mvc razor. In asp.net...

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What is difference between HTTP Handler and HTTP Module.

Here are the difference between HTTP Handlers and HTTP Modules.Http Handlers:Http handlers are component developed by asp.net developers to work as end point to asp.net pipeline. It has to implement System.Web.IHttpHandler interface and this will act as target for asp.net requests. Handlers can be act...

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GUID Vs Int data type as primary key

Recently one of my friend ask me when I should go for GUID and When I should go for Int as primary key in table. So decided to write a blog post for it. Here are advantages and disadvantage of the GUID and INT. INT Data Type:Advantages:Its required small space in terms of the storage it will only allocates...

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Difference between int.Parse and Convert.ToInt32

I know this post sound basic to most of people but still lots of people does not know this. So I decided to post a blog post for this. Both int.Parse and Convert.ToInt32 are used to convert string into the integer but Only difference between them is to Convert.ToInt32 handle null and returns ‘0’ as...

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Microsoft Community Techdays in Ahmedabad on 11th December

Microsoft Community Techdays is a great event organized by Microsoft for Every Quarter. Its going to be there on 11th December in Ahmedabad. I want to be there hope I could as my schedule is so start but you guys can not forgot to register at this event. It’s totally free and It’s great place to meet...

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Difference between Web Service and WCF Service

While taking interviews of .NET developers I often ask this questions. But lots of people don’t know exact difference between this. So, I decided to write a separate blog about this. Here are the few differences. Web services can be hosted in IIS as well as outside of the IIS. While WCF service...

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Output Caching in asp.net

Recently one of my friend ask about output cache so I decided to put a post about how output cache works and what is the advantages and disadvantage of using output cache. Output cache is a technique to cache generated response from the asp.net pages or controls. Output Caching increases the performance...

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Difference between sliding expiration and absolute expiration

ASP.net cache is great feature through which we can increase the performance of the our web application via reducing server round trips to database. We can cache any serializable data into the cache. There are so many ways to cache data but one of the simplest way to cache data like insert data into...

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LinqDatasource A Great Control for declarative programming

I have used data source control many times and its great it provides us great features for declarative binding. LinqDataSource Control is a great control and it allows us to bind linq queries without writing any code declaratively. Let’s create a example in that example I am not going to write a single...

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