technical

Operation is not valid due to the current state of the object

2012-01-04T11:36:00.000-08:00

We faced this annoying bug recently. Below is a snapshot

It seems that microsoft has recently released an security update that limits the postback variables to 1000. If your page has more 1000 variables in a postback then the above error is fired. Microsoft has released this update after they found some security vulnerabilities in the .Net framework. One of them is potential DOS attack involving hash table collisions.

ThrowIfMaxHttpCollectionKeysExceeded is a new method introduced in this regard in the HttpValueCollection. This method actually check if the count of variables is greater then AppSettings.MaxHttpCollectionKeys. If it doesnt find AppSettings.MaxHttpCollectionKeys in web.config then it assumes a default value of 1000.

Inorder to fix this add the following lines to your web.config

<appSettings>
  <add key="aspnet:MaxHttpCollectionKeys" value="1001" />
</appSettings>

value can be anyting but should be above 1000 if you are experencing this error. Hope it helps someone.

How to change the boring looking DropDownList and Mutiselect ListBox in Asp.Net using Jquery

2011-11-05T11:34:00.000-07:00

I recently found a jquery plugin called Chosen which can style and add up some extra features to existing dropdown box and list boxHere`s the ordinary ListBox and DropDownList

Below is the transformed ListBox and DropDownList

Also the notice the search functionality added to DropDownlist and ListBox, It is really handy if you have a large list

Also Listbox Consumes Less space when chosen is applied which is ideal for screen escalate

So here are the simple steps:
1) Download the chosen plugin from here
2) Download Jquery from here
3) Add the chosen.css, jquery.min.js, chosen.jquery.js in the header of the file
4) Define a cssclass attribute for the ListBox and DropDownList, say ddl and lstbox
5) Include the following in footer of the page
$(".ddl").chosen();
$(".lstbox").chosen();
6) Voila, you have transformed your ListBox and DropDownList and all the asp.net events for ListBox and DropDownlist work as usual

Additional Features:
1) we can add the default field text by including the attribute "data-placeholder" in ListBox and DropDownList eg: data-placeholder="Choose Role..."
2) Automatically removes the disabled options
3) No Results search text, just add the following $(".ddl").chosen({no_results_text: "No results matched"});
4) Add "allow_single_deselect: true" when selection is not a required field, which will make chosen add an UI element for option deselection

Check this for live demo and more features

Joomla Split Menu

2010-10-16T01:17:00.000-07:00

Quite often you know how things work but it's how they are applied that can make all the difference. This is the beauty with Joomla where you can always be surprised at the different ways the same layout can be achieved. This happened to me the other week when I noticed a different way that a split menu can be achieved in Joomla using simple techniques already known to joomla users. Indeed, many of you may already have used this method but it seems to have escaped my attention until now.

To achieve Split menu in Joomla do the following
1) Create a your menu as normal, including sub-menu items as required for your site.
2) Create a new Menu Module. Place it in the menu position that is for your top menu bar or your main navigation (styling of that menu is up to you). Select the menu. Now, in the parameters set the start level to zero and end level to 1. This module will probably be displayed on all pages. Publish and save that module.
3) Create a second Menu Module. Place it in one of your columns where you want the split menu to appear. Select the same menu as for the other module. In the parameters for this one, set the start level to 1 and the end level to, say, 3. This module will probably be displayed on all pages as well. Publish and save the module.

Bonaire Littman`s Store Website Walkthrough

2010-08-28T01:22:00.000-07:00

Bonaire Littman`s Store website is my first thorough experiement with Jquery Plugins. Our flash team had already developed a website for the above client and they wanted a somewhat similar site without flash. I accepted the challenge and after some thorough search on google found some interesting jquery plugins. The site is up and running at
http://www.bonairelittmanstores.com

The first jquery plugin i used in the site is our favourite lightbox. Whenever we click on any product images the enlarged view is shown in lightbox. I didn`t use any modified versions of lightbox like lytebox since basic lightbox suited best for the site. Also i used a simple tip effect that would show the product name whithin a cloud whenever we hover over the product image.

The second jquery plugin used is facefiles as i wanted to display the description of the product whenever user hovers over the enlarged image in lightbox. I had to some custom modifications to replicate the flash website functionality. whenever we need to close the description we need to click on the close button in the description bottom. Closing the button in lightbox bottom will close both description as well as the lightbox

The third jquery plugin i used was thickbox as i wanted a quick note to appear on top of the description of the image in enlarged view. I used the modal window to display the quicknote, hence the user has to click on the close button on the right top to get rid of the quick note once he is done.

This site is developed using php4 as i realised the client server doesnt support php5. we didnt want to pursue them to upgrade as the php code was just to retrieve the contents from xml file.

Here are a few screenshots of the project
Tip effect

Lightbox effect

Facefiles effect

Thickbox effect

Blogengine.NET - youtube extension

2010-05-11T01:20:00.000-07:00

Hi Friends, i have modified the existing youtube extension written by Al Bsharah for blogengine.net to make it work even for PAGES in BE. Thanks for the extension AL

Installation is the same as described in here.
Download it here

YouTubePlayer-1-2

Hosted by eSnips

1. Take this ZIP file - YouTubePlayer-1-2.zip - and extract the YouTubePlayer.cs file into your /App_Code/Extensions folder within the root of your BlogEngine installation.
2. Log into the "Extensions" portion of your admin panel, you should see the YouTubePlayer extension.
3. Click the Edit link to change settings. NOTE: You do not need to modify these settings if you don't want, you can skip to step 4.
* Width and Height are set to the default YouTube size, you can change them if you wish but I don't believe it will change the size of the video.
* Show Border is nice if you want to blend the video border into the color scheme of your website. By default this is turned off (0). Turn it on by changing the setting to "1".
* Primary and Secondary colors are used for the border and need to be entered in Hexidecimal value. The example below uses 709397 for the secondary (the aqua in this site) and 000000 (black) for the primary. You can see how it looks below.
4. Create a new entry/page and add this code to your BE POST/PAGE to insert a YouTube video: [ youtube:YourVideoCodeGoesHere ] (without the spaces).
* Note that the "YourVideoCodeGoesHere" part is typically random characters and letters. You can see them in the URL of your YouTube video.

Windows Run Commands

2010-03-26T01:00:00.000-07:00

Important windows run command:-

To Access… Run Command

Accessibility Controls -access.cpl
Accessibility Wizard -accwiz
Add Hardware Wizard -hdwwiz.cpl
Add/Remove Programs -appwiz.cpl
Administrative Tools -control admintools
Adobe Acrobat (if installed) -acrobat
Adobe Designer (if installed) -formdesigner
Adobe Distiller (if installed) -acrodist
Adobe ImageReady (if installed) -imageready
Adobe Photoshop (if installed) -photoshop
Automatic Updates -wuaucpl.cpl
Bluetooth Transfer Wizard -fsquirt
Calculator -calc
Certificate Manager -certmgr.msc
Character Map -charmap
Check Disk Utility -chkdsk
Clipboard Viewer -clipbrd
Command Prompt -cmd
Component Services -dcomcnfg
Computer Management -compmgmt.msc
Control Panel -control
Date and Time Properties -timedate.cpl
DDE Shares -ddeshare
Device Manager -devmgmt.msc
Direct X Control Panel (if installed)* -directx.cpl
Direct X Troubleshooter -dxdiag
Disk Cleanup Utility -cleanmgr
Disk Defragment -dfrg.msc
Disk Management -diskmgmt.msc
Disk Partition Manager -diskpart
Display Properties -control desktop
Display Properties -desk.cpl
Display Properties (w/Appearance Tab Preselected) -control color
Dr. Watson System Troubleshooting Utility -drwtsn32
Driver Verifier Utility -verifier
Event Viewer -eventvwr.msc
Files and Settings Transfer Tool -migwiz
File Signature Verification Tool -sigverif
Findfast -findfast.cpl
Firefox (if installed) -firefox
Folders Properties -folders
Fonts control -fonts
Fonts Folder -fonts
Free Cell Card Game -freecell
Game Controllers -joy.cpl
Group Policy Editor (XP Prof) -gpedit.msc
Hearts Card Game -mshearts
Help and Support -helpctr
HyperTerminal -hypertrm
Iexpress Wizard -iexpress
Indexing Service -ciadv.msc
Internet Connection Wizard -icwconn1
Internet Explorer -iexplore
Internet Properties -inetcpl.cpl
Internet Setup Wizard -inetwiz
IP Configuration (Display Connection Configuration) -ipconfig /all
IP Configuration (Display DNS Cache Contents) -ipconfig /displaydns
IP Configuration (Delete DNS Cache Contents) -ipconfig /flushdns
IP Configuration (Release All Connections) -ipconfig /release
IP Configuration (Renew All Connections) -ipconfig /renew
IP Configuration (Refreshes DHCP & Re-Registers DNS) -ipconfig /registerdns
IP Configuration (Display DHCP Class ID) -ipconfig /showclassid
IP Configuration (Modifies DHCP Class ID) -ipconfig /setclassid
Java Control Panel (if installed) -jpicpl32.cpl
Java Control Panel (if installed) -javaws
Keyboard Properties -control keyboard
Local Security Settings -secpol.msc
Local Users and Groups -lusrmgr.msc
Logs You Out Of Windows -logoff
Malicious Software Removal Tool -mrt
Microsoft Access (if installed) -msaccess
Microsoft Chat -winchat
Microsoft Excel (if installed) -excel
Microsoft Frontpage (if installed) -frontpg
Microsoft Movie Maker -moviemk
Microsoft Paint -mspaint
Microsoft Powerpoint (if installed) -powerpnt
Microsoft Word (if installed) -winword
Microsoft Syncronization Tool -mobsync
Minesweeper Game -winmine
Mouse Properties -control mouse
Mouse Properties -main.cpl
Nero (if installed) -nero
Netmeeting -conf
Network Connections -control netconnections
Network Connections -ncpa.cpl
Network Setup Wizard -netsetup.cpl
Notepad -notepad
Nview Desktop Manager (if installed) -nvtuicpl.cpl
Object Packager -packager
ODBC Data Source Administrator -odbccp32.cpl
On Screen Keyboard -osk
Opens AC3 Filter (if installed) -ac3filter.cpl
Outlook Express -msimn
Paint -pbrush
Password Properties -password.cpl
Performance Monitor -perfmon.msc
Performance Monitor -perfmon
Phone and Modem Options -telephon.cpl
Phone Dialer -dialer
Pinball Game -pinball
Power Configuration -powercfg.cpl
Printers and Faxes -control printers
Printers Folder -printers
Private Character Editor -eudcedit
Quicktime (If Installed) -QuickTime.cpl
Quicktime Player (if installed) -quicktimeplayer
Real Player (if installed) -realplay
Regional Settings -intl.cpl
Registry Editor -regedit
Registry Editor -regedit32
Remote Access Phonebook -rasphone
Remote Desktop -mstsc
Removable Storage -ntmsmgr.msc
Removable Storage Operator Requests -ntmsoprq.msc
Resultant Set of Policy (XP Prof) -rsop.msc
Scanners and Cameras -sticpl.cpl
Scheduled Tasks -control schedtasks
Security Center -wscui.cpl
Services -services.msc
Shared Folders -fsmgmt.msc
Shuts Down Windows -shutdown
Sounds and Audio -mmsys.cpl
Spider Solitare Card Game -spider
SQL Client Configuration -cliconfg
System Configuration Editor -sysedit
System Configuration Utility -msconfig
System File Checker Utility (Scan Immediately) -sfc /scannow
System File Checker Utility (Scan Once At The Next Boot) -sfc /scanonce
System File Checker Utility (Scan On Every Boot) -sfc /scanboot
System File Checker Utility (Return Scan Setting To Default) -sfc /revert
System File Checker Utility (Purge File Cache) -sfc /purgecache
System File Checker Utility (Sets Cache Size to size x) -sfc /cachesize=x
System Information -msinfo32
System Properties -sysdm.cpl
Task Manager -taskmgr
TCP Tester -tcptest
Telnet Client -telnet
Tweak UI (if installed) -tweakui
User Account Management -nusrmgr.cpl
Utility Manager -utilman
Windows Address Book -wab
Windows Address Book Import Utility -wabmig
Windows Backup Utility (if installed) -ntbackup
Windows Explorer -explorer
Windows Firewall -firewall.cpl
Windows Magnifier -magnify
Windows Management Infrastructure -wmimgmt.msc
Windows Media Player -wmplayer
Windows Messenger -msmsgs
Windows Picture Import Wizard (need camera connected) -wiaacmgr
Windows System Security Tool -syskey
Windows Update Launches -wupdmgr
Windows Version (to show which version of windows) -winver
Windows XP Tour Wizard -tourstart
Wordpad -write

ENJOY....
orginal source: MYPCHELL.COM

Domain Management Terms

2010-02-10T05:33:00.000-08:00

What is a host name?

A host name is an Internet address or domain name with a prefix. For example, a host name of the domain name yourdomainname.com may be "example.yourdomainname.com."

What is a CNAME record?

A CNAME (canonical name) record is a DNS record that can be used to create host names for a domain name. These host names can be set to point to other domain names or host names.

What is an A record?

An A (address) record is a DNS record that can be used to point your domain name and host names to a static IP address.

What is a subdomain?

A subdomain, sometimes called a "third-level" domain, is a great way to create a memorable web address for a section of your web site.

Your domain is a folder that contains your site files; a subdirectory is a folder contained within this main folder (such as http://www.yourdomain.com/subdirectory1). A subdomain, on the other hand, is basically an alias, another address that can be created for one of your subdirectories. An Internet user can enter the subdomain in his browser's address bar to view the subdirectory with which it's associated.

A subdomain combines a unique identifier with a domain name to become essentially a "domain within a domain." The unique identifier simply replaces the www in the web address.

Search based on Image!!!

2009-11-11T00:06:00.000-08:00

Hi Folks, You can now search based on image. Site by the URL http://www.tineye.com/ gives this option. Upload your image/photo and hit enter. Also you can paste the photo URL`s too. Currently their search index is very small and you may not get accurate results, but their index is fast growing and you can search for the image later.

Google File command!

2009-05-28T22:18:00.000-07:00

Want to search PDF, document, txt files using google. Just type the following command in Google search

"filetype:FILE EXTENSION FILE NAME" without double quotes and your file is ready to for download

eg: you want to search a PDF file related to open source. Just type like this

"filetype:pdf open source" without double quotes and all pdf related to open source will be listed.

Just enjoy...

Bulit in FTP in Internet Explorer!!!

2009-04-07T03:56:00.000-07:00

Hi there, I made an interesting Discovery today. As most of you might know we can access FTP sites directly using INTERNET EXPLORER. Just type the credentials in following format and you are ready to access your FTP

ftp:username:password@ftp.domain.com

. Isn`t that easy?
We may be requested for password and user name once again, enter them and press OK.
After we are taken to the site, we have to choose "OPEN FTP SITE IN WINDOWS EXPLORER" under VIEW in the menu bar. That`s all. Thanks for reading. Keep visiting this blog for more information like this.

Good technical sites to help in your project

2009-04-03T04:12:00.000-07:00

Sites which may help you in ur project.......!
For all code gurus and computer geeks
http://www.cprogramming.com - Learn C or C++

http://www.programmersheaven.com This site is dedicated to programmers all over the world.

http://www.thevbzone.com - Online Visual Basic programming resource for both beginners and experts.

http://www.programmingtutorials.com - Your link to online programming tutorials.

http://javaboutique.internet.com - Lots of applets, sourcecode and tutorials on Java. Excellent resource!

http://devcentral.iticentral.com - Check out the best 100% free tutorials and articles on the web for the software development community.

http://www.csis.ul.ie/COBOL - COBOL programming - tutorials, lectures, exercises, examples.

http://www.codeproject.com - Your place for 6,517 free C++, C# and .NET articles, code snippets, discussions, news and the best bunch of developers on the net.

http://www.developer.com - Lots of stuff on programming in C, C++ and JAVA, a good place to look for articles and literature on many subjects.

http://www.codebeach.com - Code Beach is your complete guide to free and open source code and tutorials for ASP, C++, C#, ColdFusion, Delphi/Kylix, Java, _JavaScript, Palm, Perl, PHP, Pocket PC, Python, Visual Basic, and XML.

http://www.troobloo.com - TrooBloo is a large database of technology articles and tutorials. You can browse different categories (e.g. PHP, Web Services, XML), search the database and receive new articles and tutorials by email.

http://www.devarticles.com - devArticles.com is a joint effort by a team of dedicated and skilled programmers from many different countries around the world including Australia, Germany, England, South America and the United States. devArticles was developed to provide up-to date, relevant and informative content to beginning, intermediate and advanced developers and programmers alike.