从字符串向 datetime 转换时失败解决办法

从字符串向 datetime 转换时失败
declare @Umon datetime
SET @Umon=convert(datetime,(SELECT dateadd(ms,-3,DATEADD(mm, DATEDIFF(mm,0,getdate()), 0))),120)

declare @temsql nvarchar(max)
set @temsql='SELECT * FROM T1 Where Sort=1 And (MAK_DAT>='''
set @temsql=@temsql+@Umon
set @temsql=@temsql+''') And (MD <1000)'

print @temsql


提示如下：
消息 241，级别 16，状态 1，第 6 行
从字符串向 datetime 转换时失败。

[解决办法]

SQL code

DECLARE @Umon DATETIMESET @Umon = CONVERT(DATETIME, ( SELECT  DATEADD(ms, -3,                                                DATEADD(mm,                                                        DATEDIFF(mm, 0,                                                              GETDATE()), 0))                              ), 120)DECLARE @temsql NVARCHAR(MAX)SET @temsql = 'SELECT * FROM T1 Where Sort=1 And (MAK_DAT>='''SET @temsql = @temsql + CONVERT(VARCHAR(20),@Umon,120)SET @temsql = @temsql + ''') And (MD <1000)'PRINT @temsql