frmproduct1.frm

一个贸易公司的管理信息系统 我的毕业设计

VERSION 5.00
Begin VB.Form frmProduct1 
   Caption         =   "商品信息"
   ClientHeight    =   3996
   ClientLeft      =   48
   ClientTop       =   348
   ClientWidth     =   3852
   LinkTopic       =   "Form1"
   ScaleHeight     =   3996
   ScaleWidth      =   3852
   StartUpPosition =   1  'CenterOwner
   Begin VB.CommandButton cmdSave 
      Caption         =   "保存 (&S)"
      Height          =   375
      Left            =   240
      TabIndex        =   4
      Top             =   3360
      Width           =   1215
   End
   Begin VB.CommandButton cmdExit 
      Caption         =   "返回 (&X)"
      Height          =   375
      Left            =   2280
      TabIndex        =   5
      Top             =   3360
      Width           =   1215
   End
   Begin VB.TextBox txtNo 
      Height          =   270
      Left            =   360
      TabIndex        =   11
      TabStop         =   0   'False
      Top             =   4320
      Visible         =   0   'False
      Width           =   735
   End
   Begin VB.Frame Frame1 
      Caption         =   "备注信息"
      Height          =   972
      Left            =   120
      TabIndex        =   10
      Top             =   2040
      Width           =   3612
      Begin VB.TextBox txtItem 
         Height          =   600
         Index           =   3
         Left            =   120
         MultiLine       =   -1  'True
         ScrollBars      =   2  'Vertical
         TabIndex        =   3
         Top             =   240
         Width           =   3252
      End
   End
   Begin VB.Frame Frame2 
      Caption         =   "商品信息"
      Height          =   1812
      Left            =   120
      TabIndex        =   6
      Top             =   120
      Width           =   3612
      Begin VB.TextBox txtItem 
         Height          =   270
         Index           =   2
         Left            =   1080
         MaxLength       =   20
         TabIndex        =   2
         Top             =   1320
         Width           =   2172
      End
      Begin VB.TextBox txtItem 
         Height          =   270
         Index           =   1
         Left            =   1080
         MaxLength       =   20
         TabIndex        =   1
         Top             =   840
         Width           =   2172
      End
      Begin VB.TextBox txtItem 
         Height          =   270
         Index           =   0
         Left            =   1080
         MaxLength       =   20
         TabIndex        =   0
         Top             =   360
         Width           =   2172
      End
      Begin VB.Label Label2 
         Caption         =   "商品名称："
         Height          =   252
         Index           =   3
         Left            =   240
         TabIndex        =   9
         Top             =   360
         Width           =   972
      End
      Begin VB.Label Label2 
         Caption         =   "商品规格："
         Height          =   252
         Index           =   4
         Left            =   240
         TabIndex        =   8
         Top             =   840
         Width           =   972
      End
      Begin VB.Label Label2 
         Caption         =   "计量单位："
         Height          =   252
         Index           =   5
         Left            =   240
         TabIndex        =   7
         Top             =   1320
         Width           =   972
      End
   End
End
Attribute VB_Name = "frmProduct1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
'是否改动过记录，ture为改过
Dim mblChange As Boolean
Public txtSQL As String


Private Sub cmdExit_Click()
    If mblChange And cmdSave.Enabled Then
        If MsgBox("保存当前记录的变化吗？", vbOKCancel + vbExclamation, "警告") = vbOK Then
            '保存
            Call cmdSave_Click
        End If
    End If
    Unload Me
End Sub

Private Sub cmdSave_Click()
    Dim intCount As Integer
    Dim sMeg As String
    Dim mrc As ADODB.Recordset
    Dim MsgText As String
    
    For intCount = 0 To 3
        If Trim(txtItem(intCount) & " ") = "" Then
            Select Case intCount
                Case 0
                    sMeg = "商品名称"
                Case 1
                    sMeg = "商品规格"
                Case 2
                    sMeg = "计量单位"
            End Select
            sMeg = sMeg & "不能为空！"
            MsgBox sMeg, vbOKOnly + vbExclamation, "警告"
            txtItem(intCount).SetFocus
            Exit Sub
        End If
    Next intCount
    
    If gintGmode = 1 Then
        txtSQL = "select * from products where ProductName ='" & Trim(txtItem(0)) & "' and Spec = '" & Trim(txtItem(1)) & "'"
        
        Set mrc = ExecuteSQL(txtSQL, MsgText)
        If mrc.EOF = False Then
            MsgBox "已经存在相同内容的记录！", vbOKOnly + vbExclamation, "警告"
            txtItem(0).SetFocus
            Exit Sub
        End If
        mrc.Close
    End If
    
    
    If gintGmode = 2 Then
        '先删除已有记录
        txtSQL = "delete from products where ProductID ='" & Trim(txtNo) & "'"
        Set mrc = ExecuteSQL(txtSQL, MsgText)
    End If
    
    '再加入新记录
    txtSQL = "select * from products"
    Set mrc = ExecuteSQL(txtSQL, MsgText)
    mrc.AddNew
    
    mrc.Fields(0) = txtNo
    
    For intCount = 0 To 3
        mrc.Fields(intCount + 1) = txtItem(intCount)
    Next intCount
    
    
    mrc.Update
    mrc.Close
   
    
        
    If gintGmode = 1 Then
        For intCount = 0 To 3
            txtItem(intCount) = ""
        Next intCount
        
        mblChange = False
        MsgBox "添加商品信息成功！", vbOKOnly + vbExclamation, "添加商品信息"
        
        Unload Me
        If flagGedit Then
            Unload frmProduct
            frmProduct.txtSQL = "select * from products"
            frmProduct.Show
        End If
        
    ElseIf gintGmode = 2 Then
        Unload Me
        If flagGedit Then
            Unload frmProduct
        End If
        frmProduct.txtSQL = "select * from products"
        frmProduct.Show
        
    End If
    
End Sub

Private Sub Form_Load()
    Dim sSql As String
    Dim intCount As Integer
    Dim MsgText As String
    Dim mrcc As ADODB.Recordset
    
    
   
    If gintGmode = 1 Then
        Me.Caption = Me.Caption & "添加"
        txtNo = GetRkno()
        
    ElseIf gintGmode = 2 Then
       
        
        
        Set mrcc = ExecuteSQL(txtSQL, MsgText)
        
        If mrcc.EOF = False Then
            With mrcc
                
                txtNo = .Fields(0)
                                
                For intCount = 0 To 3
                    If Not IsNull(.Fields(intCount + 1)) Then
                        txtItem(intCount) = .Fields(intCount + 1)
                    End If
                Next intCount
                
                
            End With
            
        End If
        mrcc.Close
        
        Me.Caption = Me.Caption & "修改"
            
        
    End If
    
    mblChange = False
    
    
End Sub

Private Sub Form_Unload(Cancel As Integer)
    gintGmode = 0
End Sub





Private Sub txtItem_Change(Index As Integer)
    '有变化设置gblchange
    mblChange = True
    
    
End Sub


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

Private Sub txtItem_KeyDown(Index As Integer, KeyCode As Integer, Shift As Integer)
        EnterToTab KeyCode

End Sub