Schedule in calender for planning application

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C#

ASP.NET

Javascript

.NET

jQuery

I'm about to create an ASP.net MVC3 application where I need to make a schedule.

The Schedule has to contain all workers in the company on y-axis, and for each worker there should be days/week/month on the x-axis.

Something like this:




August | September |
--------------------------------------------------------------------------------
Week: 38 | 39 | 40 | 41 |42|43|44|
--------------------------------------------------------------------------------
Date |1|2|3|4|5|6|7|
Name1 |
Name2 |
Name3 |
Name4 |


Something like this


Now comes the tricky part, when admin go in to the system and click on any day for a worker, the color of that specific day has to change, to for example red.

The problem I have right now is, I cant figure out which way will be smartest to do this?

Should I make it with a GridView, or find an external free control? i Would prefer to do it on my own, but i really dont know where to start atm.