str:='select * from stu_info where stu_id='''+stu_id+''''; rs.CommandText:=str; rs.Open(); if rs.Eof=false then begin rs.Edit; rs.Fields[2].Value:=trim(edit2.Text); rs.Fields[3].Value:=sex; rs.Fields[4].Value:=datetostr(datetime1.Date); rs.Fields[5].Value:=datetostr(datetime2.Date); rs.Fields[6].Value:=xy; rs.Fields[7].Value:=cla; rs.Post; rs.Last; ShowMessage('更新成功'); rs.Close; end 为什么时候更新不了数据
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体验速度,体验CSDN论坛助手:http://community.csdn.net/Expert/TopicView.asp?id=4700683
....
ado.post; //提交数据
ado.append;//在数据库中最后一行加入空数据
...ado.post;
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体验速度,体验CSDN论坛助手:http://community.csdn.net/Expert/TopicView.asp?id=4700683
adotable1.edit;
rs.CommandText:=str;
rs.Open();
if rs.Eof=false then
begin
rs.Edit;
rs.Fields[2].Value:=trim(edit2.Text);
rs.Fields[3].Value:=sex;
rs.Fields[4].Value:=datetostr(datetime1.Date);
rs.Fields[5].Value:=datetostr(datetime2.Date);
rs.Fields[6].Value:=xy;
rs.Fields[7].Value:=cla;
rs.Post;
rs.Last;
ShowMessage('更新成功');
rs.Close;
end
为什么时候更新不了数据