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ASP.NET Performance: Fast AJAX, Faster AJAX

      AJAX improves significantly both user experience and performance. It can be further improved by using down level capabilities that .Net framework offers. Specifically, consuming Web Services and WCF directly from client script. Read More...

Posted 29 October 08 12:43 by alikl | 1 Comments   
Filed under Development Phase, Implementation, Performance, AJAX

ASP.NET Performance: Dynamically Loaded Assemblies Cause Application Recycles (Problem and Solution)

      In my speak - dynamically loaded assemblies are those assemblies that were compiled during run time dynamically via CodeProvider like CSharpCodeProvider directly or by using types that use this class internally. Assemblies that Read More...

Posted 08 October 08 04:21 by alikl | 4 Comments   
Filed under Test Phase, Implementation, Performance

Improve ASP.NET 2.0 Performance With PageAsyncTask - Multithreading For The Masses

      Multithreading is tough. This is what John Robbins says about it in his excellent book Debugging Microsoft .NET 2.0 Applications : "Don't do it... Make sure there's no other way you can structure your program before you Read More...

Posted 02 October 08 11:31 by alikl | 0 Comments   
Filed under Development Phase, Implementation, Performance, Threading

ASP.NET Data Binding Performance – Collection Is More Expensive Than Datatable

In my previous post - Best ASP.NET Performance Winner For Data Binding - Hands Up To Response.Write() – I’ve conducted several simple performance tests for data binding to GridView in ASP.NET page. What surprised me most is that eliminating massive loops Read More...

Posted 01 August 08 02:40 by alikl | 4 Comments   
Filed under Test Phase, Implementation, Performance, Planning Phase

Best ASP.NET Performance Winner For Data Binding - Hands Up To Response.Write()

     To achieve best performance you need to make decisions based on trade-off between coolness, coding productivity, and personal engineering values. I never thought I would be recommending my customer considering using old fashion Read More...

Posted 31 July 08 03:29 by alikl | 21 Comments   
Filed under Test Phase, Development Phase, Implementation, Performance, Planning Phase

Use FREE Tools From IIS Resource Kit To Warm Up Your ASP.NET 1.1 Application By Batch Compilation

Have you noticed that when ASP.NET web application is accessed for the first time the response is slow? The reason for such behavior is batch compilation that occurs on the first hit. ASP.NET batch compilation is the process of compiling ASP.NET markup Read More...

Posted 20 July 08 06:24 by alikl | 5 Comments   
Filed under Test Phase, Implementation, Deployment Phase, Performance

Pitfalls With .Net Multithreading And COM Objects – Threads Must Have Compatible Apartment Models (MTA vs. STA)

Be alert when implementing multithreading .Net in conjunction with COM objects. Thread apartment models matter. .Net threads have Multi Threaded Apartment (MTA) model by default. COM objects have Single Thread Apartment (STA). Calling on COM objects on Read More...

Posted 20 June 08 10:09 by alikl | 1 Comments   
Filed under Development Phase, Implementation, Performance, Planning Phase, Threading

WCF Security - Input/Data Validation Using Schemas

WCF offers very flexible approach of Input and Data Validation based on XML Schemas. The approach is flexible since the validation rules are expressed in form of XML schema and can be changed at any time without recompiling the solution. I followed the Read More...

Posted 25 May 08 03:52 by alikl | 1 Comments   
Filed under WCF, Input Validation, Security, Development Phase, Implementation

WCF Security - Input/Data Validation Sample Visual Studio Project

Input and Data Validation is one of the core security principles . WCF is no exception . To get most out of WCF in secure way one must implement proper Input and Data Validation. I was following instructions on How To – Perform Input Validation Read More...

Posted 25 May 08 12:17 by alikl | 1 Comments   
Filed under WCF, Input Validation, Security, Development Phase, Implementation

ASP.NET Performance Sin - Serving Images Dynamically (Or Another Reason To Love Fiddler)

Serving images dynamically may cause performance hit. Dynamically served images require more HTTP requests which violates Steve Souders' performance rule #1 - Make Fewer HTTP Requests . The latency is also caused by parallelism (or parallel downloading) Read More...

Posted 02 May 08 02:12 by alikl | 7 Comments   
Filed under Test Phase, Tools, Development Phase, Implementation, Performance, Planning Phase

patterns & practices WCF Security Guidance Project - live on Codeplex

patterns & practices has recently released WCF Security Guidance Project . JD , the program manager behind the effort, has been blogging about it too.It is evolving project but the initial content is fantastic already. It has Application Scenarios Read More...

Posted 02 April 08 08:53 by alikl | 1 Comments   
Filed under WCF, Security, Development Phase, Implementation, Practices

How To Consume WCF Using AJAX Without ASP.NET

How to consume WCF services directly from Html client? How to add AJAX-like functionally to application that does not natively support ASP.NET AJAX like classic ASP, ASP.NET 1.1, or PHP? WCF that ships with .Net 3.5 provides capability to consume it from Read More...

Posted 18 February 08 08:35 by alikl | 11 Comments   
Filed under WCF, Development Phase, Implementation, Performance, Planning Phase, AJAX

Chain Of Responsibility Design Pattern – Focus On Security, Performance, And Operations

The pattern is also called Intercepting Filter, Pipeline, AOP, and may be few more… I am confused by the name for this design pattern. “Life is really simple, but we insist on making it complicated.” - Confucius No matter how they call Read More...

Posted 14 January 08 03:50 by alikl | 1 Comments   
Filed under Security, Implementation, Performance, Planning Phase

How To Keep ASP.NET ViewState On The Server – Revised

This is a follow up post to Basic Sample - How To Keep ASP.NET ViewState On The Server ASP.NET 2.0 offers much easier built-in mechanism to save ViewState on the server in Session using SessionPageStatePersister . Thanks to Russ who pointed me to this Read More...

Posted 08 January 08 08:13 by alikl | 2 Comments   
Filed under Development Phase, Implementation, Performance

Basic Sample - How To Keep ASP.NET ViewState On The Server

During recent few engagements with my customers I've noticed  VIewState is extensively [unintentionally] used. ViewState is on by default. The result is heavy weight Html that round trips on the network. This causes slow response time and high network Read More...

Posted 02 January 08 10:38 by alikl | 10 Comments   
Filed under Implementation, Performance

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