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3 ¤ÀªR³]p
 
 
3.1 ÀRºA¹Ï¡]Ãþµ²ºc¡^
 
 
frmBom
 
 clsSubProduct
 
 
 
-m_strCnn:String
 
 
 
 
 -n_subProduct:RecordSet
 
 
-n_ConnectionString:String
 
 
 
-DoLoadNode(inout vNode:Node)
 
 
-DoQuery(in strProductID:String)
 
 
-btnQuery_Click()
 
 
-tvwBom_Expand(in Node:Node)
 
 
-tvwBom_NodeClick(in Node:Node)
 
 +get_ConnectionString():String
 
 
+let_ConncctionString(in strValue:String)
 
 
+get_SubProduct():RecordSet
 
 
-Class_Initialize()
 
 
+DoQuery(in strProductID:String)
 
 
-Class_Terminate()
 
 
 
 
3.2 ¼Æ¾Ú®w³]p
 
 
    CREATE TABLE ª«®ÆÀÉ®×
 
 
(
 
 
        ª«®Æ½s½X    VARCHAR(20),
 
 
        ª«®Æ¦WºÙ    VARCHAR(100),
 
 
        CONSTRAINT PK_ª«®ÆÀÉ®× PRIMARY KEY (ª«®Æ½s½X)
 
 
)
 
 
CREATE TABLE ª«®Æ²M³æ
 
 
(
 
 
        ª«®Æ½s½X    VARCHAR(20),
 
 
        ¤W¯Å½s½X    VARCHAR(20),
 
 
        ³æ¦ì¥Î¶q    NUMERIC(18, ,
 
 
        CONSTRAINT PK_ª«®Æ²M³æ PRIMARY KEY (ª«®Æ½s½X,¤W¯Å½s½X)
 
 
)
 
 
3.3 ¸Ô²Ó³]p
 
 
3.3.1 ÃþfrmBom
 
 
3.3.1.1 ¤å¥ó¦W¡GfrmBom.frm
 
 
3.3.1.2 ¬É±±±¥ó¦Cªí¡G
 
 
±±¥óÃþ«¬
 
 ±±¥ó¦WºÙ
 
 Äݩʳ]¸m
 
 
 
Label
 
 Lbl
 
 Name:lbl
 
 
AutoSize:True
 
 
Caption:¡vª«®Æ½s½X¡v
 
 
 
TextBox
 
 txtProductID
 
 Name:txtProductID
 
 
Text:¡v¡v
 
 
 
CommandButton
 
 btnQuery
 
 Name:btnQuery
 
 
Caption:¡v¬d¸ß¡v
 
 
 
TreeView
 
 tvwBom
 
 Name:tvwBom
 
 
 
 
3.3.1.3 ¥N½X¡G
 
 
 	  | ¥N½X: | 	 		  Option Explicit
 
 
Dim m_strCnn As String        '©w¸q¼Ò¶ô¯Å³s±µ¦r²Å¦êÅܶq
 
 
Private Sub DoLoadNode(ByRef vNode As Node)
 
 
    '¥\¯à¡G¦bTreeView¥[¸ü¤U¯Åª«®Æ½s½X
 
 
    '¿é¤J¡G³Q¥[¸üªºª«®Æ¸`ÂI
 
 
    '¿é¥X¡GµL
 
 
    Dim cSubProduct As clsSubProduct
 
 
    Dim cSubProduct2 As clsSubProduct
 
 
    Dim nod As Node
 
 
    Dim nod2 As Node
 
 
    Dim intI As Integer
 
 
    '²M°£©Ò¦³¤U¯ÅNODE
 
 
    For intI = 0 To vNode.Children - 1
 
 
        tvwBom.Nodes.Remove vNode.Child.Key
 
 
    Next intI
 
 
    '«·s¸Ë¤J©Ò¦³¤U¯Å¸`ÂI
 
 
    Set cSubProduct = New clsSubProduct
 
 
    With cSubProduct
 
 
        .ConnectionString = m_strCnn
 
 
        .DoQuery vNode.Tag
 
 
        While Not .SubProduct.EOF
 
 
            '¥[¸ü²Ä¤@¼h¤l¸`ÂI
 
 
Set nod = tvwBom.Nodes.Add(vNode.Key, tvwChild, vNode.Key & "_" & .SubProduct.Fields("ª«®Æ½s½X").Value, .SubProduct.Fields("ª«®Æ¦WºÙ").Value)
 
 
            nod.Tag = .SubProduct.Fields("ª«®Æ½s½X").Value            
 
 
'--------------------------------------------------------
 
 
'¦pªGn§¹¥þ¥[¸ü«h¦b¦¹¶i¦æ»¼Âk½Õ¥Î
 
 
'DoLoadNode nod
 
 
'--------------------------------------------------------
 
 
            Set cSubProduct2 = New clsSubProduct
 
 
            cSubProduct2.ConnectionString = m_strCnn
 
 
            cSubProduct2.DoQuery nod.Tag
 
 
            While Not cSubProduct2.SubProduct.EOF
 
 
                '¥[¸ü²Ä¤G¼h¤l¸`ÂI
 
 
Set nod2 = tvwBom.Nodes.Add(nod.Key, tvwChild, nod.Key & "_" & cSubProduct2.SubProduct.Fields("ª«®Æ½s½X").Value, cSubProduct2.SubProduct.Fields("ª«®Æ¦WºÙ").Value)
 
 
                nod2.Tag = cSubProduct2.SubProduct.Fields("ª«®Æ½s½X").Value
 
 
                cSubProduct2.SubProduct.MoveNext
 
 
            Wend
 
 
            .SubProduct.MoveNext
 
 
        Wend
 
 
    End With
 
 
    Set cSubProduct = Nothing
 
 
End Sub
 
 
Private Sub DoQuery(ByVal strProductID As String)
 
 
    Dim strPID As String
 
 
    Dim nod As Node
 
 
    strPID = strProductID
 
 
    tvwBom.Nodes.Clear
 
 
    Set nod = tvwBom.Nodes.Add(, tvwNext, "B_" & strPID, strPID)
 
 
nod.Tag = strPID
 
 
'½Õ¥Î¸`ÂI¥[¸ü¤lµ{§Ç
 
 
    DoLoadNode nod
 
 
End Sub
 
 
Private Sub btnQuery_Click()
 
 
    DoQuery txtProductID.Text
 
 
End Sub
 
 
Private Sub Form_Load()
 
 
    '³s±µ¦r²Å¦ê¡An®Ú¾Ú¹ê»Ú¶}µoÀô¹Ò§@¬ÛÀ³×§ï
 
 
    m_strCnn = "Provider=SQLOLEDB.1;" & _
 
 
        "Persist Security Info=False;" & _
 
 
        "User ID=sa;" & _
 
 
        "Initial Catalog=BOM;" & _
 
 
        "Data Source=(local)"        
 
 
End Sub
 
 
Private Sub tvwBom_Expand(ByVal Node As MSComctlLib.Node)
 
 
    '®i¶}¸`ÂI®É¥[¸ü¤l¼h
 
 
DoLoadNode Node
 
 
End Sub
 
 
Private Sub tvwBom_NodeClick(ByVal Node As MSComctlLib.Node)
 
 
    '³æÀ»¸`ÂI®É¥[¸ü¤l¼h
 
 
DoLoadNode Node
 
 
End Sub
 
 
3.3.2 ÃþclsSubProduct
 
 
3.3.2.1 ¤å¥ó¦W¡GclsSubProduct.cls
 
 
3.3.2.2 ¥N½X¡G
 
 
Option Explicit
 
 
Private m_subProduct As ADODB.Recordset
 
 
Private m_ConnectionString As String
 
 
Public Property Get ConnectionString() As String
 
 
    ConnectionString = m_ConnectionString
 
 
End Property
 
 
Public Property Let ConnectionString(ByVal strValue As String)
 
 
    m_ConnectionString = strValue
 
 
End Property
 
 
Public Property Get SubProduct() As ADODB.Recordset
 
 
    Set SubProduct = m_subProduct
 
 
End Property
 
 
Private Sub Class_Initialize()
 
 
    Set m_subProduct = New ADODB.Recordset
 
 
End Sub
 
 
Public Sub DoQuery(ByVal strProductID As String)
 
 
    Dim strPID As String
 
 
    strPID = strProductID
 
 
    With m_subProduct
 
 
        .ActiveConnection = m_ConnectionString
 
 
        .CursorLocation = adUseClient
 
 
        .CursorType = adOpenStatic
 
 
        .LockType = adLockReadOnly
 
 
        .Open "SELECT ª«®Æ½s½X,(SELECT ª«®Æ¦WºÙ FROM ª«®ÆÀÉ®× WHERE ª«®ÆÀÉ®×.ª«®Æ½s½X = ª«®Æ²M³æ.ª«®Æ½s½X) AS ª«®Æ¦WºÙ FROM ª«®Æ²M³æ WHERE ¤W¯Å½s½X = '" & strPID & "'"
 
 
    End With
 
 
End Sub
 
 
Private Sub Class_Terminate()
 
 
    Set m_subProduct = Nothing
 
 
End Sub | 	 
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