VB图书管理系统 第6页
MSFlexGrid1.Text = "编号"
MSFlexGrid1.Col = 1
MSFlexGrid1.Text = "购买日期"
MSFlexGrid1.Col = 2
MSFlexGrid1.Text = "书名"
MSFlexGrid1.Col = 3
MSFlexGrid1.Text = "类型"
MSFlexGrid1.Col = 4
MSFlexGrid1.Text = "定价"
MSFlexGrid1.Col = 5
MSFlexGrid1.Text = "备注"
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 "无相关记录", 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) 查询子窗体代码
查询子窗体是用来查询库房中图书资料明细的。其运行效果如图41所示。
图41 查询子窗体运行效果
在列表框中给出编号或年月日后，“查询”按钮的Click事件将给出与数据库查找比较的结果。
Private Sub Command1_Click()
On Error GoTo cmderror
Dim find_date1 As String
Dim find_date2 As String
If Option1.Value = True Then
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