Event Scheduler using GridView in asp.net

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ASP.NET

Gridview

Hello Folks

Well I am trying to create an Event Scheduler using GridView in asp.net.To my knowledge it can be accomplished using ITemplate Interface and creating a dynamic gridview .But I need some help in building one.
Here is the layout.
The First column will be containing all the rooms (which comes from database).Then there will be columns , each which will represent one hour from 9AM to 6PM.
and I need to show on the grid the booking for the rooms , i.e which rooms are booked for what amount of period( just like a event scheduler )
I would appreciate any help provided in creating this.