Open Client's machine local file from Web Application in C#

There is some possibilities in such case, client need to open locally saved files from web application. To achieve such functionality, you can follow below steps:

1. Create zip files you want to open on cline machine and add option to download it from web application.

2. Create WCF self hosted application in which there is a code logic that can open a file on local machine for a given path.

3. Call locally hosted WCF service from web application ajax call and pass path to open a file from web application.