Visual studio is not running - Giving error Windows cannot access the specified device, path, or file" error when you try to install, update or start a program or file

 > Give full control access to the visual studio file devenv.exe

https://support.microsoft.com/en-us/topic/-windows-cannot-access-the-specified-device-path-or-file-error-when-you-try-to-install-update-or-start-a-program-or-file-46361133-47ed-6967-c13e-e75d3cc29657

Also in shortcut you can check Run as administrator option.

https://www.getfishtank.com/insights/automatically-run-visual-studio-as-administrator

Restore of database failed sql server

>Open sql server

>Right Click on database >click on task>restore>database

>From device >select database bak file

>In option tab > Check overwrite the existing database (with replace)

or > in file tab click on reallocate all files to folder

How to create runtime error in asp.net website - tag should then have its "mode" attribute set to "Off".

Runtime error

Crud operation with httphandler - http handler asp.net c# - with jquery - With good quality code

 https://www.codeproject.com/Articles/283976/CRUD-Create-Read-Update-Delete

How to collapse and expand functions of class in Visual studio

 Ctrl+M+M

Or in visual studio go to Edit and outlining and there are different shortcuts for more commands.