ASP.net Compilation Error

Question

constr = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source="C:\Documents and Settings\Administrator\My Documents\Employee.mdb";Persist Security Info=True";


y it is showing compilation error to me?????????????  im doing it with VS-08 c#


Compilation Error 
Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately. 


Compiler Error Message: CS1056: Unexpected character '\'
i have created DB also then also it is showing error