Creating Excel file Dynamically from c#

Hi All i need to create the excel file means salary slips for each of the employee.The salary details are stored in the database.i need to get the each employee salary details from the database and i need to create the excel file for each employee. If someone knows how to create the excel files in C# please help me.Getting data from the database and i will do. Pleae help..... Thanks Prabhakar