.Net PDF Converter

Hello, I need to make a web tool that will allow me to upload an excel spreadsheet with start and finish dates and create a microsoft project-like timeline for each of the rows. I need a basic web interface that will do the following: - Upload control that only accepts excel files, exports to sql database - each month will want this done so depending on date separate uploads - sql database to store data and output to gridview - Gridview that is editable in case user wants to edit or add more data - Microsoft project like timeline for each row with the dates - Able to export gridview and timelines to pdf on click - No third party dll's or external tools without running by me first (preferably tools already built into .net and visual studio) End Result: - Gridview with upload control that will allow user to upload excel files to sql - Timelines that go with data from gridview - Ability to export to pdf Will provide picture examples and more data once project is accepted.