在sql server中的动态顺序

Question

我正在尝试通过SQL服务器引用此链接来实现动态排序 https://dba.stackexchange.com/questions/4104/how-do-you-order-by-a-parameter/4111#4111?newreg=9f2079e714554009886acbd7510eb666

         Declare @sortColumn varchar(50) = 'StateName'
         Declare @SortOrder Varchar(50) = 'ASC'

         SELECT [StateId],[StateName],[IsActive]
         FROM   [States]
         ORDER BY 
             CASE WHEN @SortOrder = 'ASC' THEN
                CASE 
                   WHEN @sortColumn = 'StateId' THEN StateId
                   WHEN @sortColumn = 'StateName' THEN StateName 
                END
            END ASC
        , CASE WHEN @SortOrder = 'DESC' THEN
                CASE 
                   WHEN @sortColumn = 'StateId' THEN StateId
                   WHEN @sortColumn = 'StateName' THEN StateName 
                END
    END DESC

当我通过@sortColumn =＆＃39; StateId＆＃39;然后它工作正常，但当我通过＆#39; stateName＆＃39;作为变量然后它会抛出错误 ＆＃34;转换varchar值时转换失败＆＃39; Abcde＆＃39;到数据类型int。＆＃34;

我做错了什么？