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

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