借用VCL数据库连接相关模块

uses AdoConEd

ADOConEd.EditConnectionString(ADOConnection);将出现如下窗口:

 

uses ADODB;

procedure TForm1.Button2Click(Sender: TObject);
var
  str:string;
begin
  PromptDataSource(Handle,str);
end;

将出现如下窗口: