INSERT INTO t1
SELECT 111,'张明'
UNION ALL
SELECT 112,'李华'
UNION ALL
SELECT 123,'张三'
UNION ALL
SELECT 124,'李四'
UNION ALL
SELECT 211,'王五'
UNION ALL
SELECT 213,'赵六'
UNION ALL
SELECT 224,'小三'
type
TForm1 = class(TForm)
ADOConnection1: TADOConnection;
ADOQuery1: TADOQuery;
Edit1: TEdit;
ListBox1: TListBox;
procedure Edit1Change(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.Edit1Change(Sender: TObject);
begin
if Trim(Edit1.Text)='' then Exit;
try
StrToInt(Edit1.Text);
except
ShowMessage('请输入整数');
end;
ADOQuery1.Close;
ADOQuery1.SQL.Text:='SELECT * FROM t1 WHERE id like '+QuotedStr(Edit1.Text+'%');
ADOQuery1.Open;
if ADOQuery1.IsEmpty then
begin
ShowMessage('没有找到');
Exit;
end;
ListBox1.Clear;
while not ADOQuery1.Eof do
begin
ListBox1.Items.Add(ADOQuery1.FieldByName('id').AsString);
ADOQuery1.Next;
end;
end;