I have 3 Excel files containing data related to Client details, Company of Stocks and Order Details of Stocks Purchase. I want to parse all the data into a Multi-layer Dictionary using C# and run "Sorting" and "Searching" Functions on the same. I am a novice when it comes to C# and was wondering what would be the code for the same.
Data Eg: Stock Symbol Company Name S&P Sector AAPL Apple Inc. IT