user2.frm

用VB和SQL编写的学生管理系统

VERSION 5.00
Begin VB.Form frmuser2 
   BackColor       =   &H00E0E0E0&
   Caption         =   "修改密码"
   ClientHeight    =   4185
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   6000
   Icon            =   "user2.frx":0000
   LinkTopic       =   "Form2"
   ScaleHeight     =   4185
   ScaleWidth      =   6000
   StartUpPosition =   3  '窗口缺省
   Begin VB.CommandButton Command2 
      Caption         =   "取消"
      Height          =   375
      Left            =   3720
      TabIndex        =   4
      Top             =   3120
      Width           =   975
   End
   Begin VB.CommandButton Command1 
      Caption         =   "确定"
      Height          =   375
      Left            =   1080
      TabIndex        =   3
      Top             =   3120
      Width           =   975
   End
   Begin VB.TextBox Text3 
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   2280
      PasswordChar    =   "*"
      TabIndex        =   2
      Top             =   2280
      Width           =   1935
   End
   Begin VB.TextBox Text2 
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   2280
      PasswordChar    =   "*"
      TabIndex        =   1
      Top             =   1560
      Width           =   1935
   End
   Begin VB.TextBox Text1 
      BackColor       =   &H00FFFFFF&
      Height          =   375
      Left            =   2280
      TabIndex        =   0
      Top             =   840
      Width           =   1935
   End
   Begin VB.Label Label3 
      Caption         =   "密码确认："
      Height          =   375
      Left            =   1080
      TabIndex        =   7
      Top             =   2280
      Width           =   1095
   End
   Begin VB.Label Label2 
      Caption         =   "新密码："
      Height          =   375
      Left            =   1200
      TabIndex        =   6
      Top             =   1560
      Width           =   855
   End
   Begin VB.Label Label1 
      Caption         =   "用户名："
      Height          =   375
      Left            =   1200
      TabIndex        =   5
      Top             =   840
      Width           =   975
   End
End
Attribute VB_Name = "frmuser2"
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
txtsql = "select username from use where username='" & Trim(Text1.Text) & "'"
Set mrc = ExecuteSQL(txtsql)
If mrc.EOF = True Then
  MsgBox " 用户名错误！", vbExclamation + vbOKOnly, "警告"
  Text1.SetFocus
  Text1.SelStart = 0
  Text1.SelLength = Len(Text1.Text)
  Exit Sub
End If
username = mrc.Fields(0)
txtsql = "select username from use where password='" & Trim(Text2.Text) & "'"
Set mrc = ExecuteSQL(txtsql)

 
If Trim(Text1.Text) = "" Then
 MsgBox "用户名不能为空！", vbExclamation + vbOKOnly, "警告"
 Text1.SetFocus
 Exit Sub
End If
If Trim(Text2.Text) = "" Then
 MsgBox "密码不能为空！", vbExclamation + vbOKOnly, "警告"
 Text2.SetFocus
 Exit Sub
End If
If Trim(Text3.Text) = "" Then
 MsgBox "确认密码不能为空！", vbExclamation + vbOKOnly, "警告"
 Text13.SetFocus
 Exit Sub
End If
If Trim(Text2.Text) <> Trim(Text3.Text) Then
 MsgBox "确认密码不正确！", vbExclamation + vbOKOnly, "警告"
 Text3.SetFocus
 Exit Sub
End If
 MsgBox " 用户添加成功！", vbExclamation + vbOKOnly, "警告"
   Text1.Text = ""
   Text2.Text = ""
   Text3.Text = ""
   Text1.SetFocus
MDIForm1.Show
Unload Me
End Sub

Private Sub Command2_Click()
Unload Me
End Sub

Private Sub Text1_KeyPress(KeyAscii As Integer)
If KeyAscii = 13 Then
  Text2.SetFocus
End If
End Sub

Private Sub Text2_KeyPress(KeyAscii As Integer)
If KeyAscii = 13 Then
 Text3.SetFocus
End If
End Sub