login.frm

一个企业进销存的系统 用ASP.NET作成 大家一起学习

VERSION 5.00
Begin VB.Form Login 
   Caption         =   "登录界面"
   ClientHeight    =   3015
   ClientLeft      =   60
   ClientTop       =   465
   ClientWidth     =   6420
   LinkTopic       =   "Form1"
   ScaleHeight     =   3015
   ScaleWidth      =   6420
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command2 
      Caption         =   "取消"
      Height          =   375
      Left            =   3120
      TabIndex        =   5
      Top             =   2160
      Width           =   1095
   End
   Begin VB.CommandButton Command1 
      Caption         =   "登录"
      Height          =   375
      Left            =   1440
      TabIndex        =   4
      Top             =   2160
      Width           =   1095
   End
   Begin VB.TextBox Text2 
      Height          =   375
      Left            =   2400
      TabIndex        =   3
      Top             =   1200
      Width           =   1935
   End
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   2400
      TabIndex        =   2
      Top             =   600
      Width           =   1935
   End
   Begin VB.Label Label2 
      Caption         =   "密 码："
      Height          =   375
      Left            =   1200
      TabIndex        =   1
      Top             =   1320
      Width           =   975
   End
   Begin VB.Label Label1 
      Caption         =   "用户名："
      Height          =   375
      Left            =   1200
      TabIndex        =   0
      Top             =   600
      Width           =   855
   End
End
Attribute VB_Name = "Login"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Dim mrc As ADODB.Recordset
Dim txtSQL As String
Dim MsgText As String
If Trim(Text1 & " ") <> "" Then
txtSQL = "select * from pwwd where uid='" & Trim(Text1 & " ") & "'"
Set mrc = ExecuteSQL(txtSQL, MsgText)
If mrc.EOF = True Then
MsgBox "没有这个用户", vbOKOnly + vbExclamation, "登录"
Text1.SetFocus
Else
If Trim(Text2 & " ") = Trim(mrc!pwd) Then
Frm.Show
Me.Hide
Else
MsgBox "密码错误", vbOKOnly + vbExclamation, "登录"
Text2.SetFocus
Text2.SelStart = 0
Text2.SelLength = Len(Text2.Text)
End If
End If
Else
MsgBox "没有这个用户", vbOKOnly + vbExclamation, "登录"
Text1.SetFocus
End If
End Sub