using System; namespace ChangkeTec.Utils.CustomException { public class EfNotFindDateException : Exception { public EfNotFindDateException() : base("未找到对应数据") { } public EfNotFindDateException(string str) : base(str) { } public EfNotFindDateException(string format, params object[] args) : base(string.Format(format, args)) { } } }