转义符的问题

[wangxiang1981]

string sql= "select * from qyjiben where name like‘%"+text.text+"%' ";

百分号 处单双引号应该怎么写啊 老是搞不明白 单双引号啊？？

[pt1314917]

string sql= "select * from qyjiben where name like'%"+text.text+"%'"; 

[pt1314917]

string sql= "select * from qyjiben where name like '%"+text.text+"%'";