菜鸟问题:TADOConnection释放后如何重新建立连接？急！在线等！

Question

form1.ADOConnection1.Free;
     form1.ADOConnection1:=nil;

Answer 1

form1.ADOConnection1.Connectstring:='';
form1.ADOConnection1.connected:=true;

Answer 2

before:
var
 ADOConnection1:Tform1.ADOConnection1;

Answer 3

还是不行，运行到form1.ADOConnection1.connected:=true;时出错，提示Form1.TADOConnection = nil

Answer 4

before:
var
 ADOConnection1:Tform1.ADOConnection1;
....
....
Adoconnection1.create(self);
adoconnection1.connectstring:=yourconnectstring;
adoconnection1.connected:=true;

Answer 5

xylyge(很想学好)   补充得更加仔细了。

Answer 6

var
  adoconnection1:Tadoconnection;
begin
  adoconnection1:=Tadoconnection.creat(application);
  adoconnection1.connectstring:='yourstring';
  adoconnection1.loginprompt:=false;
  adoconnection1.connected:=true;
.
.
.
.
.
end;

Answer 7

var
  ADOConnection1:Tform1.ADOConnection1出错！