Although In One solution , usercontrols cannot be used across different web applicataions, make a copy or make it a custom control , or error created :
分析器错误信息: 虚拟路径“/cc/wuc.ascx”映射到另一个应用程序，这是不允许的。
转载于:https://www.cnblogs.com/redbb/archive/2004/02/02/682.html
