Tuesday, 27 December 2011

Best Practices of ASP.Net

 I always want a cheat sheet that has a best practices written in a classified manner so it will be easy to remember and also easy to refer. 

Below table for Best Practices of ASP.Net solves that problem. All the details given below are very SHORT and mostly solves PERFORMANCE issues. If you want to read about why the best practices should be followed, just type in the Google bar whatever it is written in the table with asp.net text concatenated. You can find why the particular best practices need to be followed. It is actually for people who have already worked in asp.net and they need a cheat sheet to remember when they are attending interview or reviewing code.


Level
DO's and Don’t's
.Aspx Level


Disable Session State if not needed

Disable View State if not needed, e.g.:- static page

Use Lesser Web Controls, try normal HTML Controls if possible

Scripts should be placed at the end of page, Scripts hinders loading

Try removing scripts from aspx page to separate JS file

Try removing styles from aspx page to separate Stylesheet file


.CS Level


Use Server.Transfer instead of Response.Redirect wherever possible

Use String builder instead of String concatenation using '+'

Handle exception in previous layer do not through till presentation layer

Use IsPostBack always in Page_Load and wherever possible

Always use Arraylist instead of Array

Use Page.IsValid for validating the whole page

Cache object if it is frequently used

Design using Value types.

Use ASCII Format instead of UTF

Use Format() instead of toString()

Remove unnecessary looping inside code

Check all loops. Identify any code that needs to be
outside loop and remove from the loop


Config Level


Disable Tracing in production environment

Set Debug = false in compilation tag


JS & Stylesheet


Remove scripts or Stylesheet that are never used from the respective files




Talk to you soon

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