Naomi,

It's just what the error message says ... you're missing either a "using ..." statement at the top of your code or a reference to the project or DLL where that class lives (references being stuff that gets added to the project in your Solution Explorer).

~~Bonnie



>Hi everybody,
>
>I have a page that tries to instantiate a custom button class using the following code:
>

> UCD_volunteerBtn Vol;
>                        Vol = (UCD_volunteerBtn)Page.LoadControl("/UCD/volunteerBtn.ascx");
>                        Vol.PersonID = (int)P.PersonID;
>                        Vol.IsEvent = false;
>                        Vol.Program = Prog;
>                        Vol.PSession = PrgSesssion;
>                        Vol.CssClass = "nav" + Theme.CSSPrefixClass;

>
>It gives me this error:
>
>Error 1 The type or namespace name 'UCD_volunteerBtn' could not be found (are you missing a using directive or an assembly reference?) C:\Development\Visual Studio 2005\WebSites\FCFront\UCD\EventProgramMod.ascx.cs 105
>
>I found the class for this button, but I'm not sure what should I do.
>
>Thanks a lot in advance.
>
>Also why when I build the solution, it succeed, but when I re-build it gives me the above and bunch of other related errors?