ADOConnection1.Connected:=false; ADOConnection1.ConnectionString:='Provider='+provider+';Password='+password+';Persist Security Info=True;User ID='+userId+';Data Source='+ dataSource+';Initial Catalog='+ dataBaseName;
ADOConnection1.Connected:=true;
ADOQuery1.Connection:=ADOConnection1;
ADOQuery1.Close;
ADOQuery1.SQL.Clear;
ADOQuery1.SQL.Add('select * from student');
ADOQuery1.Active:=true;
ADOQuery1.Open;
DBGrid1.DataSource:=ADOQuery1.DataSource;为什么DBGrid显示不了查询的数据呢? 菜鸟,刚开始学习,不是很懂,请各位大侠指教!
ADOConnection1.Connected:=true;
ADOQuery1.Connection:=ADOConnection1;
ADOQuery1.Close;
ADOQuery1.SQL.Clear;
ADOQuery1.SQL.Add('select * from student');
ADOQuery1.Active:=true;
ADOQuery1.Open;
DBGrid1.DataSource:=ADOQuery1.DataSource;为什么DBGrid显示不了查询的数据呢? 菜鸟,刚开始学习,不是很懂,请各位大侠指教!
2.将DataSource的DataSet属性设置为ADOQuery1
3.将DBGrid的DataSource属性设置为你刚放到窗口上的DataSource1
4.完成
ADOConnection1.Connected:=false; ADOConnection1.ConnectionString:='Provider='+provider+';Password='+password+';Persist Security Info=True;User ID='+userId+';Data Source='+ dataSource+';Initial Catalog='+ dataBaseName;
ADOConnection1.Connected:=true;
ADOQuery1.Connection:=ADOConnection1;
ADOQuery1.Close;
ADOQuery1.SQL.Clear;
ADOQuery1.SQL.Add('select * from student');
ADOQuery1.Open;