IIS- Application open directory of project

1.goto IIS
2.select the project
3.choose the 'Default document' option
4.Add your default page with extension like-'Default.aspx'
5.refresh project
6.enjoy the application

IIS- HTTP Error 500.19 - Internal Server Error ,Error Code- 0x800700b7

1.open IIS server
2.open project and explore
3.open the web.config
4.find the error line
    like-

<validation validateIntegratedModeConfiguration="false"/>

5.delete this and save

6.refresh project

7.Enjoy the application 

Think different , but effective