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user_name = Trim(tbname.Text)
pwd = Trim(tbPwd.Text)

If user_name <> "" Then
  Adodc1.Recordset.MoveFirst '´ÓµÚÒ»Ìõ¼Ç¼¿ªÊ¼²é¿´
  Adodc1.Recordset.Find ("user =" & "'" & user_name & "'")

  If user_name = Adodc1.Recordset.Fields(0) And pwd = Adodc1.Recordset.Fields(2) Then
  MsgBox "µÇ¼³É¹¦£¡"
  USER_FUN.Show
  ElseIf user_name <> Adodc1.Recordset.Fields(0) Then
  MsgBox "Óû§Ãû´íÎó£¡", vbOKOnly + vbInformation, "Ìáʾ"
  tbname.Text = ""
  tbPwd.Text = ""
  tbname.SetFocus
  ElseIf pwd <> Adodc1.Recordset.Fields(2) Then
  MsgBox "Óû§Ãû´íÎó£¡", vbOKOnly + vbInformation, "Ìáʾ"
  tbPwd.Text = ""
  Else
  MsgBox "ϵͳ³öÏÖÎÊÌ⣡", vbCritical, "¾¯Ê¾"
  End If
End If

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