I have a control created in the web site project. and i re used it in two Master Pages. When i build the web site i have a successful build. but when i build my web deployment project it says that i have control ambiguos name. any help would be appreciated.

thanks.

check in ur application, did u given name to any master page, class or aspx page as the name of any control, like Menu.master etc. or any custom or user control name which is same as default asp controls.

thanks. i got it. i rename my control with different class.