db_fechas.frm

多种图表的绘制及其运用

VERSION 5.00
Object = "{65E121D4-0C60-11D2-A9FC-0000F8754DA1}#2.0#0"; "MSCHRT20.OCX"
Object = "{86CF1D34-0C5F-11D2-A9FC-0000F8754DA1}#2.0#0"; "MSCOMCT2.OCX"
Object = "{0ECD9B60-23AA-11D0-B351-00A0C9055D8E}#6.0#0"; "MSHFLXGD.OCX"
Begin VB.Form conVtaWeek 
   Caption         =   "Consulta de Ventas por dia de la Semana"
   ClientHeight    =   5400
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   9720
   LinkTopic       =   "Form1"
   ScaleHeight     =   5400
   ScaleWidth      =   9720
   StartUpPosition =   3  'Windows Default
   Begin MSHierarchicalFlexGridLib.MSHFlexGrid Lista 
      Height          =   1815
      Left            =   7605
      TabIndex        =   7
      Top             =   960
      Width           =   2055
      _ExtentX        =   3625
      _ExtentY        =   3201
      _Version        =   393216
      Rows            =   0
      FixedRows       =   0
      _NumberOfBands  =   1
      _Band(0).Cols   =   2
   End
   Begin VB.CommandButton Command4 
      Caption         =   "Sa&lir"
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   9.75
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   8640
      TabIndex        =   6
      Top             =   4800
      Width           =   975
   End
   Begin VB.CommandButton Command3 
      Caption         =   "Imprimir"
      Height          =   495
      Left            =   7080
      TabIndex        =   5
      Top             =   240
      Width           =   975
   End
   Begin MSComCtl2.DTPicker txtFecIni 
      Height          =   375
      Left            =   2400
      TabIndex        =   3
      Top             =   0
      Width           =   1215
      _ExtentX        =   2143
      _ExtentY        =   661
      _Version        =   393216
      Format          =   24444929
      CurrentDate     =   36970
   End
   Begin MSChart20Lib.MSChart MSChart1 
      Height          =   4575
      Left            =   0
      OleObjectBlob   =   "DB_Fechas.frx":0000
      TabIndex        =   2
      TabStop         =   0   'False
      Top             =   840
      Width           =   7575
   End
   Begin VB.CommandButton Command2 
      Caption         =   "Get Sales"
      Height          =   495
      Left            =   3960
      TabIndex        =   1
      Top             =   240
      Width           =   1215
   End
   Begin VB.CommandButton Command1 
      Caption         =   "Abrir DB"
      Height          =   495
      Left            =   120
      TabIndex        =   0
      Top             =   240
      Width           =   1215
   End
   Begin MSComCtl2.DTPicker txtFecFin 
      Height          =   375
      Left            =   2400
      TabIndex        =   4
      Top             =   480
      Width           =   1215
      _ExtentX        =   2143
      _ExtentY        =   661
      _Version        =   393216
      Format          =   24444929
      CurrentDate     =   36970
   End
   Begin VB.Label Label1 
      Caption         =   "Dia Final"
      Height          =   255
      Index           =   1
      Left            =   1440
      TabIndex        =   9
      Top             =   600
      Width           =   975
   End
   Begin VB.Label Label1 
      Caption         =   "Dia inicial"
      Height          =   255
      Index           =   0
      Left            =   1440
      TabIndex        =   8
      Top             =   120
      Width           =   975
   End
End
Attribute VB_Name = "conVtaWeek"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Private msConn As New ADODB.Connection
Private rs As New ADODB.Recordset
Private nD(7) As String
Private nV(7) As Single
Private Sub Command1_Click()
'CONECT TO DATABASE
DoEvents
msConn.Open "Provider=Microsoft.Jet.OLEDB.4.0;" _
            + "Data Source=" + App.Path + "\OKDB.mdb;" _
            + "Jet OLEDB:Database Password=lolo"
Command1.Enabled = False
End Sub

Private Sub Command2_Click()
Dim cT As String
Dim dFe As Date
Dim i, MiRow As Integer
Dim dF1 As String
Dim dF2 As String

'MODIFY DATE INFO. I USE YYYYMMDD FORMAT FOR STORING DATES
dF1 = Format(txtFecIni, "YYYYMMDD")
dF2 = Format(txtFecFin, "YYYYMMDD")

'ASSIGN QUERY TO VARIABLE
cT = "SELECT FECHA, SUM(PRECIO) AS VENTAS FROM HIST_TR" & _
        " WHERE  FECHA >= '" & dF1 & "'" & _
        " AND FECHA <= '" & dF2 & "'" & _
        " GROUP BY FECHA"

'CHECK CONECTION BEFORE QUERY
If msConn.State = adStateClosed Then
    MsgBox "Por favor Conectarse de primero"
    Exit Sub
End If

'IF RECORDSET OPEN, CLOSE IT
If rs.State = adStateOpen Then rs.Close
rs.Open cT, msConn
Do Until rs.EOF
    'MsgBox Format(rs!FECHA, "####-##-##") & "---" & rs!VENTAS
    dFe = Format(rs!fecha, "####-##-##")
    Call AsignaVentas(Weekday(dFe), rs!VENTAS)
    rs.MoveNext
Loop

'PREP. CHART
With MSChart1
    .chartType = VtChChartType2dBar
    .RowCount = 7
    .TitleText = "Ventas por dia de la Semana.  Desde " & txtFecIni & " hasta " & txtFecFin
End With

'CLEAR GRID
Lista.Clear: Lista.Rows = 0: Lista.Refresh
MiRow = 1
'POPULATE DATA INTO CHART
For MiRow = 1 To 7
    MSChart1.Row = MiRow
    MSChart1.Column = 1
    MSChart1.RowLabel = nD(MiRow)
    MSChart1.Data = Format(nV(MiRow), "standard")
    Lista.AddItem nD(MiRow) & vbTab & Format(nV(MiRow), "standard")
Next

End Sub

Private Function AsignaVentas(d As Integer, n As Single)
'ADD SALES TO A SPECIFIC DAY OF THE WEEK
nV(d) = nV(d) + n
End Function

Private Function AsignaDias()
'PREPARE ARRAY OF DAYS
Dim i As Integer
For i = 1 To 7
        If i = 1 Then nD(i) = "Domingo  "   'SUNDAY
        If i = 2 Then nD(i) = "Lunes       "    'MONDAY
        If i = 3 Then nD(i) = "Martes     "     'ETC...
        If i = 4 Then nD(i) = "Miercoles"
        If i = 5 Then nD(i) = "Jueves     "
        If i = 6 Then nD(i) = "Viernes    "
        If i = 7 Then nD(i) = "Sabado    "  'SATURDAY
Next
End Function

Private Sub Command3_Click()
'Do PRINTING as a HomeWork
End Sub

Private Sub Command4_Click()
'ADIOS. BYE BYE
If rs.State = adStateOpen Then rs.Close
Unload Me
End Sub

Private Sub Form_Load()
Call AsignaDias
End Sub