form24.frm

我用VB开发的饲料经营进销存管理程序,包含购入、售出管理

VERSION 5.00
Begin VB.Form Form24 
   Caption         =   "Form24"
   ClientHeight    =   6960
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   8685
   LinkTopic       =   "Form24"
   ScaleHeight     =   6960
   ScaleWidth      =   8685
   StartUpPosition =   3  '窗口缺省
   Begin VB.ListBox List1 
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   5340
      Left            =   600
      TabIndex        =   1
      Top             =   720
      Width           =   7455
   End
   Begin VB.CommandButton Command1 
      Caption         =   "删除数据"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   420
      Left            =   3600
      TabIndex        =   0
      Top             =   6360
      Width           =   1455
   End
   Begin VB.Label Label1 
      AutoSize        =   -1  'True
      Caption         =   "费用项目查询画面"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   15.75
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   315
      Left            =   3000
      TabIndex        =   3
      Top             =   240
      Width           =   2520
   End
   Begin VB.Label Label2 
      Caption         =   "费用名称"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   255
      Left            =   600
      TabIndex        =   2
      Top             =   480
      Width           =   1335
   End
End
Attribute VB_Name = "Form24"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim arr_charge_name(50)

Private Sub Command1_Click()
    Dim cnn1 As ADODB.Connection
    Dim cmd1 As ADODB.Command
    Dim rs1 As ADODB.Recordset
    Set cnn1 = New ADODB.Connection
    cnn1.Open "Provider=Microsoft.Jet.OLEDB.4.0;" & _
    "Data Source=C:\Documents and Settings\jujumao\My Documents\粤丰饲料\粤丰饲料经营情况.mdb;"
    Set cmd1 = New ADODB.Command
    SQL = "select count(*) from 费用明细表 where 费用名称=" & "'" & arr_charge_name(List1.ListIndex) & "'"
    With cmd1
        .ActiveConnection = cnn1
        .CommandText = SQL
        .CommandType = adCmdText
    End With
    Set rs1 = cmd1.Execute
    rs1.MoveFirst
    If rs1.Fields(0) > 0 Then
        MsgBox ("已有数据，不能删除该项目!")
        GoTo m_exit
    End If
    SQL = "delete from 费用项目表 where 费用名称=" & "'" & arr_charge_name(List1.ListIndex) & "'"
    With cmd1
        .ActiveConnection = cnn1
        .CommandText = SQL
        .CommandType = adCmdText
        .Execute
    End With
    SQL = "select 费用名称 from 费用项目表 "
    With cmd1
        .ActiveConnection = cnn1
        .CommandText = SQL
        .CommandType = adCmdText
    End With
    Set rs1 = cmd1.Execute
    j = 0
    List1.Clear
    If rs1.EOF Then
        MsgBox ("没有查询到记录")
        Command1.Enabled = False
        GoSub m_exit
    End If
    rs1.MoveFirst
    While Not rs1.EOF
        S = ""
        For i = 0 To rs1.Fields.Count - 1
            t_len = 11 - Len(rs1.Fields(i).Value)
            S1 = ""
            For t = 1 To t_len
                S1 = S1 & " "
            Next
            S = S & rs1.Fields(i).Value & S1
        Next
        List1.AddItem S, j
        arr_charge_name(j) = rs1.Fields(0).Value
        j = j + 1
        rs1.MoveNext
    Wend
    List1.ListIndex = 0
m_exit:
    cnn1.Close
    Set cnn1 = Nothing
End Sub

Private Sub Form_Load()
    Dim cnn1 As ADODB.Connection
    Dim cmd1 As ADODB.Command
    Dim rs1 As ADODB.Recordset
    Set cnn1 = New ADODB.Connection
    cnn1.Open "Provider=Microsoft.Jet.OLEDB.4.0;" & _
    "Data Source=C:\Documents and Settings\jujumao\My Documents\粤丰饲料\粤丰饲料经营情况.mdb;"
    Set cmd1 = New ADODB.Command
    SQL = "select 费用名称 from 费用项目表 "
    With cmd1
        .ActiveConnection = cnn1
        .CommandText = SQL
        .CommandType = adCmdText
    End With
    Set rs1 = cmd1.Execute
    j = 0
    If rs1.EOF Then
        MsgBox ("没有查询到记录")
        Command1.Enabled = False
        GoSub m_exit
    End If
    rs1.MoveFirst
    While Not rs1.EOF
        S = ""
        For i = 0 To rs1.Fields.Count - 1
            If i = 0 Then
                tt_len = Len(rs1.Fields(i).Value)
                t_len = 0
                For t = 1 To tt_len
                    If Asc((Mid((rs1.Fields(i).Value), t, 1))) < 0 Then
                        t_len = t_len + 2
                    Else
                        t_len = t_len + 1
                    End If
                Next
                t_len = 11 - t_len
            Else
                t_len = 11 - Len(rs1.Fields(i).Value)
            End If
            S1 = ""
            For t = 1 To t_len
                S1 = S1 & " "
            Next
            S = S & rs1.Fields(i).Value & S1
        Next
        List1.AddItem S, j
        arr_charge_name(j) = rs1.Fields(0).Value
        j = j + 1
        rs1.MoveNext
    Wend
    List1.ListIndex = 0
m_exit:
    cnn1.Close
    Set cnn1 = Nothing
End Sub

Private Sub Form_Unload(Cancel As Integer)
    Form5.Show
End Sub