frmreader2.frm

VB所写的图书管理系统

VERSION 5.00
Begin VB.Form frmReader2 
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "读者信息查询"
   ClientHeight    =   2256
   ClientLeft      =   48
   ClientTop       =   336
   ClientWidth     =   4068
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   2256
   ScaleWidth      =   4068
   ShowInTaskbar   =   0   'False
   StartUpPosition =   1  'CenterOwner
   Begin VB.TextBox txtItem 
      Height          =   270
      Index           =   1
      Left            =   1560
      TabIndex        =   9
      Top             =   720
      Width           =   2172
   End
   Begin VB.CheckBox chkItem 
      Caption         =   "Check1"
      Height          =   180
      Index           =   2
      Left            =   240
      TabIndex        =   8
      TabStop         =   0   'False
      Top             =   1080
      Width           =   132
   End
   Begin VB.CheckBox chkItem 
      Caption         =   "Check1"
      Height          =   180
      Index           =   1
      Left            =   240
      TabIndex        =   7
      TabStop         =   0   'False
      Top             =   720
      Width           =   132
   End
   Begin VB.ComboBox Combo1 
      Height          =   288
      Left            =   1560
      Style           =   2  'Dropdown List
      TabIndex        =   5
      Top             =   1080
      Width           =   2172
   End
   Begin VB.CheckBox chkItem 
      Caption         =   "Check1"
      Height          =   180
      Index           =   0
      Left            =   240
      TabIndex        =   4
      TabStop         =   0   'False
      Top             =   360
      Value           =   1  'Checked
      Width           =   132
   End
   Begin VB.CommandButton cmdOk 
      Caption         =   "确定 (&O)"
      Default         =   -1  'True
      Height          =   375
      Left            =   720
      TabIndex        =   1
      Top             =   1680
      Width           =   1215
   End
   Begin VB.CommandButton cmdExit 
      Caption         =   "取消 (&X)"
      Height          =   375
      Left            =   2280
      TabIndex        =   2
      Top             =   1680
      Width           =   1215
   End
   Begin VB.TextBox txtItem 
      Height          =   270
      Index           =   0
      Left            =   1560
      TabIndex        =   0
      Top             =   360
      Width           =   2172
   End
   Begin VB.Label lblitem 
      Caption         =   "读者姓名："
      Height          =   252
      Index           =   2
      Left            =   600
      TabIndex        =   10
      Top             =   720
      Width           =   1092
   End
   Begin VB.Label lblitem 
      Caption         =   "读者种类："
      Height          =   252
      Index           =   1
      Left            =   600
      TabIndex        =   6
      Top             =   1080
      Width           =   1092
   End
   Begin VB.Label lblitem 
      Caption         =   "读者编号："
      Height          =   252
      Index           =   0
      Left            =   600
      TabIndex        =   3
      Top             =   360
      Width           =   1092
   End
End
Attribute VB_Name = "frmReader2"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
'用于传递查询块




Private Sub chkItem_Click(Index As Integer)
    If Index = 0 Then
        txtItem(0).SetFocus
    ElseIf Index = 1 Then
        txtItem(1).SetFocus
    Else
        Combo1.SetFocus
    End If
End Sub

Private Sub cmdExit_Click()
    Me.Hide
End Sub

Private Sub cmdOK_Click()
    Dim sQSql As String
    
    
    If chkItem(0).Value = vbChecked Then
        sQSql = " readerno = '" & Trim(txtItem(0) & " ") & "'"
    End If
    
    
    If chkItem(1).Value = vbChecked Then
        If Trim(sQSql & " ") = "" Then
            sQSql = " readername ='" & Trim(txtItem(1) & " ") & "'"
        Else
            sQSql = sQSql & " and readername ='" & Trim(txtItem(1) & " ") & "'"
        End If
    End If
    
    If chkItem(2).Value = vbChecked Then
        If Trim(sQSql & " ") = "" Then
            sQSql = " readertype ='" & Trim(Combo1 & " ") & "'"
        Else
            sQSql = sQSql & " and readertype ='" & Trim(Combo1 & " ") & "'"
        End If
    End If
    
    If Trim(sQSql) = "" Then
        MsgBox "请设置查询条件！", vbOKOnly + vbExclamation, "警告"
        Exit Sub
    Else
        If flagRedit Then
            Unload frmReader
        End If
        frmReader.txtSQL = "select * from readers where" & sQSql
        frmReader.Show
    End If
    Me.Hide
End Sub

Private Sub Form_Load()
    
    
    Dim i As Integer
    Dim j As Integer
    Dim sSql As String
    Dim txtSQL As String
    Dim MsgText As String
    Dim mrc As ADODB.Recordset
    
  
    '初始化物资名称
        txtSQL = "select DISTINCT typename from readertype"
        Set mrc = ExecuteSQL(txtSQL, MsgText)
        
        If Not mrc.EOF Then
            
                Do While Not mrc.EOF
                    Combo1.AddItem Trim(mrc.Fields(0))
                    mrc.MoveNext
                Loop
                Combo1.ListIndex = 0
            
        Else
            MsgBox "请先进行读者种类设置！", vbOKOnly + vbExclamation, "警告"
            
            Exit Sub
        End If
        mrc.Close
End Sub

Private Sub lblitem_Click(Index As Integer)
    chkItem(Index).Value = vbChecked
    
End Sub

Private Sub txtItem_GotFocus(Index As Integer)
   
    txtItem(Index).SelStart = 0
    txtItem(Index).SelLength = Len(txtItem(Index))
End Sub