What is the use of web.config file? [Resolved]

It is a configuration file used in asp.net.
It is an XML file
Configuration tag is the root element
Web.config acts as a central location for storing the information to be accessed by web pages.

Uses
- The changes in Web.config don't require the reboot of the web server.
- store database connections, Session States, Error Handling, Security configurations in ASP.NET web.Config file.

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Web.config file is the main settings and configuration file for an asp.net web application. the file is an xml document that defines configuration settings and information regarding the web application. It can be considered as one of the most essential part of a web application.

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Thanks Rajani. Your explanation is very clear.

Sridevi

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Thank you!!

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very nice question i like it.
this question is also very important for interview.
Generally web.config file is use for application's configuration setting.
We can put common settings regarding particular web application.
for example -
connection string.
common configuration settings. etc.....

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WEB.CONFIG FILE IS THE CONFIGURATION SETTINGS FOR AN ASP.NET WEB APPLICATION
APP.CONFIG FILE IS THE CONFIGURATION SETTINGS FOR THE WINDAOWS APPLICATION

USING WEB.CONFIG FILE WE IMPLEMENT
1) DATABASE CONNECTION STRING
2) SESSION
3) TRACING
4) ERROR HANDLING

DATABASE CONNECTION FOR WEB.CONFIG

<ADD KEY="NAME" VALUE="CONNECTIONSTRING">

REGARDS

sriram

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