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End If
End Sub
'顯示msflexgrid1 子程序
Public Sub displaygrid1()
Dim i As Integer
On Error GoTo displayerror
setgrid
setgridhead
MSFlexGrid1.Row = 0
If Not rs_data1.EOF Then
rs_data1.MoveFirst
Do While Not rs_data1.EOF
MSFlexGrid1.Row = MSFlexGrid1.Row + 1
MSFlexGrid1.Col = 0
If Not IsNull(rs_data1.Fields(0)) Then MSFlexGrid1.Text = rs_data1.Fields(0) Else
MSFlexGrid1.Text = ""
MSFlexGrid1.Col = 1
If Not IsNull(rs_data1.Fields(1)) Then MSFlexGrid1.Text = rs_data1.Fields(1) Else
MSFlexGrid1.Text = ""
MSFlexGrid1.Col = 2
If Not IsNull(rs_data1.Fields(2)) Then MSFlexGrid1.Text = rs_data1.Fields(2) Else
MSFlexGrid1.Text = ""
MSFlexGrid1.Col = 3
If Not IsNull(rs_data1.Fields(3)) Then MSFlexGrid1.Text = rs_data1.Fields(3) Else
MSFlexGrid1.Text = ""
MSFlexGrid1.Col = 4
If Not IsNull(rs_data1.Fields(4)) Then MSFlexGrid1.Text = rs_data1.Fields(4) Else
MSFlexGrid1.Text = ""
MSFlexGrid1.Col = 5
If Not IsNull(rs_data1.Fields(5)) Then MSFlexGrid1.Text = rs_data1.Fields(5) Else
MSFlexGrid1.Text = ""
rs_data1.MoveNext
Loop
End If
displayerror:
If Err.Number <> 0 Then
MsgBox Err.Description
End If
End Sub
Public Sub setgrid()
Dim i As Integer
On Error GoTo seterror
With MSFlexGrid1
.ScrollBars = flexScrollBarBoth
.FixedCols = 0
.Rows = rs_data1.RecordCount + 1
.Cols = 6
.SelectionMode = flexSelectionByRow
For i = 0 To .Rows - 1
.RowHeight(i) = 315
Next
For i = 0 To .Cols - 1
.ColWidth(i) = 1300
Next i
End With
Exit Sub
seterror:
MsgBox Err.Description
End Sub
Public Sub setgridhead()
On Error GoTo setheaderror
MSFlexGrid1.Row = 0
MSFlexGrid1.Col = 0
MSFlexGrid1.Text = "編號"
MSFlexGrid1.Col = 1
MSFlexGrid1.Text = "購買日期"
MSFlexGrid1.Col = 2
MSFlexGrid1.Text = "書名"
MSFlexGrid1.Col = 3
MSFlexGrid1.Text = "類型"
MSFlexGrid1.Col = 4
MSFlexGrid1.Text = "定價"
MSFlexGrid1.Col = 5
MSFlexGrid1.Text = "備注"
Exit Sub
setheaderror:
MsgBox Err.Description
End Sub
Private Sub Form_Unload(Cancel As Integer)
findok = False
rs_data1.Close
rs_custom.Close
End Sub
Private Sub MSFlexGrid1_Click()
On Error GoTo griderror
Dim getrow As Long
getrow = MSFlexGrid1.Row
If MSFlexGrid1.Rows = 1 Then
MsgBox "無相關記錄", vbOKOnly + vbExclamation, ""
Else
select_row = MSFlexGrid1.TextMatrix(getrow, 0)
End If
griderror:
If Err.Number <> 0 Then
MsgBox Err.Description
End If
End Sub
Public Sub showdata()
With MSFlexGrid2
.Rows = rs_data2.RecordCount + 1
.Row = 0
If Not rs_data2.EOF Then
rs_data2.MoveFirst
Do While Not rs_data2.EOF
.Row = .Row + 1
.Col = 0
If Not IsNull(rs_data2.Fields(0)) Then .Text = rs_data2.Fields(0) Else .Text = ""
.Col = 1
If Not IsNull(rs_data2.Fields(1)) Then .Text = rs_data2.Fields(1) Else .Text = ""
.Col = 2
If Not IsNull(rs_data2.Fields(2)) Then .Text = rs_data2.Fields(2) Else .Text = ""
.Col = 3
If Not IsNull(rs_data2.Fields(3)) Then .Text = rs_data2.Fields(3) Else .Text = ""
.Col = 4
If Not IsNull(rs_data2.Fields(4)) And CDbl(rs_data2.Fields(4)) < 0 Then
.Text = -CDbl(rs_data2.Fields(4))
Else
.Text = rs_data2.Fields(4)
End If
.Col = 5
If Not IsNull(rs_data2.Fields(5)) Then .Text = rs_data2.Fields(5) Else .Text = ""
.Col = 6
If Not IsNull(rs_data2.Fields(6)) Then .Text = rs_data2.Fields(6) Else .Text = ""
.Col = 7
If Not IsNull(rs_data2.Fields(7)) And CDbl(rs_data2.Fields(4)) < 0 Then
.Text = -CDbl(rs_data2.Fields(7))
Else
.Text = rs_data2.Fields(7)
End If
.Col = 8
If Not IsNull(rs_data2.Fields(8)) Then .Text = rs_data2.Fields(8) Else .Text = ""
rs_data2.MoveNext
Loop
rs_data2.MoveLast
End If
End With
End Sub
(5) 查詢子窗體代碼
查詢子窗體是用來查詢庫房中圖書資料明細的。其運行效果如圖41 所示。
圖41 查詢子窗體運行效果
在列表框中給出編號或年月日后，“查詢”按鈕的Click 事件將給出與數據庫查找比較的結果。
Private Sub Command1_Click()
On Error GoTo cmderror
Dim find_date1 As String
Dim find_date2 As String
If Option1.Value = True Then
sqlfind = "select * from 圖書資料where 編號between '" & _
　
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