C# .NET - i need a free host that test my cms with .net 3.5 and sql serer 2008 enterprise?

i really need a free host for test application  just for 20 days ..but all host dont support sql server 2008 enterprise...i just find aspspider.com but it support sql express..i just made a test application with mdf files i mean i used the vs sql db exress but when i upload my files it show me this user  have not permission...

i checked my web config and made all false as true. Still same problem. by the way when i use the page withut db it show everything correct but when i click to a page that connect to sql express it show me error by this user have not permission.

Free?  Really?  You can purchase a month at just about any quality hosting company such as arvixe.com or discountasp.com for about $10.

ty.