How to handle the Date column of excel sheet in C# code?

I am reading the Excel sheet in c# using interop services. My excel sheet have the date columns of formate dd/mm/yyyy. while reading , runtime i am getting some different values for each cell as :38840,38808,3987开发者_如何学C3...so n so... what does that mean? please help.How to handle the date columns of the excel sheet in C#. please guide me.

This is covered in the following article:

http://bytes.com/topic/c-sharp/answers/530093-tough-date-conversion-problem-importing-excel