Compiler Error Message: CS0501

I've just uploaded my web site files and i'm getting one error message after another. The current one is this:
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: CS0501: 'Assimilated.WebControls.Stylesheet.Style.CssUrl.get' must declare a body because it is not marked abstract or extern

Source Error:


Line 32: public string CssUrl
Line 33: {
Line 34: get; set;
Line 35: }
Line 36:


Can anybody help?