c# - 比较 2 个整数时无法转换 lambda 表达式

Question

无法将 lambda 表达式转换为类型“bool”，因为它不是委托类型

在 if 语句“if (UserLevelID => dbMinimunlevelID)”中比较 2 个整数时

如何将包含计数的变量与另一个整数进行比较？

 //Check if user has enough credits to create ClassCharacter       
        public bool CheckMinimunCreditforClassCharacter(Guid UserID, int ClassCharacterID, int Levelid)
        {

        bool Results = true;

        //Check Character Creation Rules
        int dbMinimunlevelID = 0;
        bool AdditionalCharactersRequired = false;
        int AdditionalCharactersPoints = 0;

        var query = (from o in db.ClassCharacters
                     where o.ClassCharacterID == ClassCharacterID
                     select o);   

        foreach (var v in query)
        {
            dbMinimunlevelID = v.MinimumPoints;
            AdditionalCharactersRequired = v.AdditionalCharactersRequired;
            AdditionalCharactersPoints = v.AdditionalCharactersPoints;
        }

        if (dbMinimunlevelID > 0)
        {
            //Check User existing Characters
            int UserLevelID = db.Characters.Where(o => o.UserId == UserID)
                         .Max(o => o.LevelID);

            //************ Here is where the error appears
            if (UserLevelID => dbMinimunlevelID)
            {
                Results = true;
            }
            else
            {
                Results = false;
            }

        }

        return Results;
    }

Answer 1

代替：

if (UserLevelID => dbMinimunlevelID)

和：

if (UserLevelID >= dbMinimunlevelID)

=>是 lambda 运算符，而>=(大于或等于) 用于比较

Answer 2

您正在使用=>... 创建一个 lambda 表达式，它是一个向右的箭头。

>=改为用于比较。