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本文向大家介绍C#保留小数位，可能好多人还不了解C#保留小数位，没有关系，看完本文你肯定有不少收获，希望本文能教会你更多东西。1.简单的例子System.Globalization.NumberFormatInfo provider = new System.Globalization.NumberFormatInfo(); provider.NumberDecimalDigits

SQL 将日期格式转换为常用字符串格式有一个非常强大的日期格式化函数Select CONVERT(varchar(100), GETDATE(), 0): 05 16 2006 10:57AMSelect CONVERT(varchar(100), GETDATE(), 1): 05/16/06Select CONVERT(varchar(100), GETDA

select * from student where name like '%a%';='%[ao]%' []匹配其中任一字符select * from student where name like '%[a][o]%'; select * from student where name not like '%a%';select * from student where name