What is the Difference between Web.config and global.asax?
Can we write connection String code in global.asax?

Answer Posted / pragati

1. Web.config : It is an XML File
Global.asax file : It is an .asax file that is a class file

2. Web.config : We can have one or more web.config file.
Global.asax file : We can have only one global.asax files in one single application

3. Web.config : It consists of - a)Error Handling Codes b)Authentication c)Authorization
Global.asax file : It consists of - a)Application Events b)Session Events c)#include directive d)<object>declarations e)TypeLibrary Declarations

4. Web.config : It consists of ) HTTPHandlers
Global.asax file : It consists of declaration of objects,variables and methods.

5. Web.config : It is created by default thus,indicating its compulsion.
Global.asax file : It is an optional file.

6. Web.config : It is written in the form of HTML Tags.All configurations are mentioned in the <configuration> tag.
Global.asax file : All the code is written in valid browser scripts like JScript PerlScript, VBScript.

7. Web.config : It just needs to be saved and not be compiled to reflect the changes.
Global.asax file : It needs to compiled/rebuild to reflect the changes

8. Web.config : It consists of (a) HTTPHandlers
Global.asax file : It consists of events like :
(a)Application_OnStart
(b)Application_OnEnd
(c)Session_OnStart
(d)Session_OnEnd

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