string str_OptionA="a b c d e";string str_OptionB="a b c de";如何去掉空格让这两个变量相等if(str_OptionA.Trim().Equals(str_OptionB.Trim()))
Response.Write("相等");
else
Response.Write("不相等");结果不相等
Response.Write("相等");
else
Response.Write("不相等");结果不相等
==操作比较的是两个变量的值是否相等。
equals()方法比较的是两个对象的内容是否一致.equals也就是比较引用类型是否是对同一个对象的引用http://www.cnblogs.com/jiahaipeng/archive/2008/04/11/1146316.html
str_OptionA=str_OptionA.Replace(" ","");string str_OptionB="a b c de";
str_OptionB=str_OptionB.Replace(" ","");这样str_OptionA就和str_OptionB相等了!!
str_OptionB.replace(" ","");