procedure TForm2.Button1Click(Sender: TObject);
begin
ADODataSet1.Close;
ADODataSet1.CommandText:='select * from delphi_users where username like "%=:a%"';
ADODataSet1.Parameters.ParamByName('a').Value:= Trim(Edit1.Text);
ADODataSet1.Open;
end;参数那里怎么写呀?!多谢!
begin
ADODataSet1.Close;
ADODataSet1.CommandText:='select * from delphi_users where username like "%=:a%"';
ADODataSet1.Parameters.ParamByName('a').Value:= Trim(Edit1.Text);
ADODataSet1.Open;
end;参数那里怎么写呀?!多谢!
ADODataSet1.Parameters.ParamByName('a').Value:= '%'+Trim(Edit1.Text)+'%';