select *
from tablename
where tname=’张三’别在query的sql属性中赋值,在程序中写,你看怎么样
if query1.active then
query1.active:=false;
query1.sql.clear;
query1.sql.add('select *
from tablename
where tname=’+'张三’);
query1.active:=true;
from tablename
where tname=’张三’别在query的sql属性中赋值,在程序中写,你看怎么样
if query1.active then
query1.active:=false;
query1.sql.clear;
query1.sql.add('select *
from tablename
where tname=’+'张三’);
query1.active:=true;
query1.sql.add('select *
from tablename
where tname=’+''''+ '张三’+ '''');
query1.sql.clear;
query1.sql.add('select * from tablename where tname=''张三''');
query1.active:=true;
query1.active:=false;
query1.sql.clear;
query1.sql.add('select * from tablename where tname=''张三''');
query1.active:=true;一定没错的