getting values from checkboxes and saving them to datadase in c#

[3marcot]

am using Microsoft Visual Studio 2010 c# in my database i have 4 tables: \[code\]-Categories: id,CategoryName example: id=1/CategoryName=FlowerShop id=2/CategoryName=HairStyle id=3/CategoryName=Make up artist-FlowerShop: id,FlowerShopNameexample: id=50, flowerShopName= Nadim Daher\[/code\]first question: is my database correct?second question: in my site project, the first page will open the list of categories through checkbox so each checkbox equal to a categoryName, how to do it?Third question: after he checked a categoryName, it should be send by mail. how to do it?c