adoquery查询语句的参数问题
adoquery的查询语句为
select aa.bh,aa.mc,aa.dw,aa.ggxh,(select sum(cc.sl) from JW_库存详细 cc where aa.bh=cc.wz) as kcsl,aa.kf from JP_物资 aa where aa.jm like :searchbh or aa.bh like :searchbh or aa.mc like :searchbh
delphi中:
qrykc.Active := False;
qrykc.Parameters.ParamByName( 'searchbh ').Value := '% ' + edtwz.Text + '% ';
qrykc.Active := True;
会出错提示:
Project JXC.exe raised exception class EOleException with message '不正常地定义参数对象。提供了不一致或不完整的信息。 '. Process stopped. Use Step or Run to continue.
如果这样就没问题:
adoquery的查询语句:
select aa.bh,aa.mc,aa.dw,aa.ggxh,(select sum(cc.sl) from JW_库存详细 cc where aa.bh=cc.wz) as kcsl,aa.kf from JP_物资 aa where aa.jm like :searchbh or aa.bh like :searchbh1 or aa.mc like :searchbh2
delphi中:
qrykc.Active := False;
qrykc.Parameters.ParamByName( 'searchbh ').Value := '% ' + edtwz.Text + '% ';
qrykc.Parameters.ParamByName( 'searchbh1 ').Value := '% ' + edtwz.Text + '% ';
qrykc.Parameters.ParamByName( 'searchbh2 ').Value := '% ' + edtwz.Text + '% ';
qrykc.Active := True;
只能这样吗?我传递的参数值都相同啊
感觉好笨啊,应该有好的方法吧
[解决办法]
把adoquery的paramcheck属性关掉试试看