Dim Con As New ADODB.Connection             '建立connection变量,连接数据库
Dim Res As New ADODB.Recordset

Dim i As Integer, j As Integer

Private Sub Command1_Click()                '确定

    If Text1(0).Text = "" Then              '用户名
        MsgBox "用户名不能为空，请输入用户名", vbOKOnly + vbInformation, "提示！"
        Text1(0).SetFocus
        Exit Sub
    End If
   
    If Text1(1).Text = "" Then              '学号
        MsgBox "学号不能为空，请输入学号", vbOKOnly + vbInformation, "提示！"
        Text1(1).SetFocus
        Exit Sub
    End If
   
    For i = 1 To Res.Fields.Count - 1       '判断text值是否与数据库的字段值相等,感觉这一段怪怪的,修改了很多次都不行
       If (Text1(i - 1).Text = Res.Fields(i).Value) Then
            Unload Form1                    '相等就加载页面
            Form2.Show
        Else
            MsgBox ("不存在此记录!")        '否则退出系统
            Exit Sub
        End If
     Next i

     CloseConn                              '关闭打开数据库

End Sub

Private Sub Form_Load()
    Con.Open "Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=学生登录表;Data Source=20090828-1511"
    '服务器名称，根据自己的服务器名称进行修改
   
    Res.Open "select * from 登录表", Con, adOpenKeyset, adLockOptimistic
    CloseConn
   
    For i = 0 To Res.Fields.Count - 1
        Text1(i).Text = ""
    Next i
End Sub

Private Sub CloseConn()                        '关闭再打开数据库
    Res.Close
    Res.Open
End Sub

希望高手帮我改一改！

可不可以给一个例子呢?