string sql=string.Format("insert into users(Name,Age,Sex,Pwd)values ({0},{1},{2},{3})",myName,myAge,mySex,myPwd);这些字段都是varchar 吗 varchar 要用''号string sql=string.Format("insert into users(Name,Age,Sex,Pwd)values ('{0}','{1}','{2}','{3}')",myName,myAge,mySex,myPwd);
|