VERSION 1.0 CLASS
BEGIN
  MultiUse = -1  'True
  Persistable = 0  'NotPersistable
  DataBindingBehavior = 0  'vbNone
  DataSourceBehavior  = 0  'vbNone
  MTSTransactionMode  = 0  'NotAnMTSObject
END
Attribute VB_Name = "Product"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
'1 ProId Int 產(chǎn)品編號(hào)
'2 ProName Varchar 50  產(chǎn)品名稱
'4 ProStyle  Varchar 50  產(chǎn)品規(guī)格
'5 ProUnit Varchar 10  計(jì)量單位
'6 ProPrice  Decimal 15,2  參考價(jià)格

Public ProId As Long
Public ProName As String
Public ProStyle As String
Public ProUnit As String
Public ProPrice As Single

Public Sub Init()
  ProId = 0
  ProName = ""
  ProStyle = ""
  ProUnit = ""
  ProPrice = 0
End Sub

'刪除Product數(shù)據(jù)
Public Sub Delete(ByVal TmpProId As Long)
  DB_Connect
  
  SqlStmt = "Delete FROM Product "
  OdbcExt (SqlStmt)
  Rc = SQLFreeStmt(Hstmt, SQL_DROP)
  
  DB_Disconnect
End Sub

Public Function GetName(ByVal TmpProId As Long) As String
  If TmpProId <= 0 Then
    GetName = ""
    Exit Function
  End If
  
  DB_Connect
  
  SqlStmt = "SELECT ProName FROM Product WHERE ProId=" + Trim(Str(TmpProId))
  OdbcExt (SqlStmt)

  If SQLFetch(Hstmt) = SQL_NO_DATA_FOUND Then
    GetName = ""
    Exit Function
  Else
    ColVal = String(100, 0)
    Rc = SQLGetData(Hstmt, 1, 1, ColVal, Lench(ColVal), pcblench)
    GetName = TrimStr(ColVal)
  End If
    
  Rc = SQLFreeStmt(Hstmt, SQL_DROP)
  DB_Disconnect
End Function

Public Function GetId(ByVal TmpName As String) As Long
  If TmpName = "" Then
    GetId = 0
    Exit Function
  End If
  DB_Connect
  
  SqlStmt = "SELECT ProId FROM Product WHERE ProName='" _
          + Trim(TmpName) + "'"
  OdbcExt (SqlStmt)
  If SQLFetch(Hstmt) <> SQL_NO_DATA_FOUND Then
    ColVal = String(40, 0)
    Rc = SQLGetData(Hstmt, 1, 1, ColVal, Len(ColVal), pcblen)
    GetId = Val(ColVal)
  Else
    GetId = 0
  End If
  Rc = SQLFreeStmt(Hstmt, SQL_DROP)
  
  DB_Disconnect
End Function

Public Function GetInfo(ByVal TmpProId As Long) As Boolean
  If TmpProId <= 0 Then
    Init
    GetInfo = False
    Exit Function
  End If
  
  ProId = TmpProId
  
  DB_Connect
  SqlStmt = "SELECT * FROM Product WHERE ProId=" + Trim(Str(TmpProId))
  OdbcExt (SqlStmt)
  If SQLFetch(Hstmt) = SQL_NO_DATA_FOUND Then
    GetInfo = False
    Exit Function
  Else
    ColVal = String(400, 0)
    Rc = SQLGetData(Hstmt, 2, 1, ColVal, Lench(ColVal), pcblench)
    ProName = TrimStr(ColVal)

   ColVal = String(400, 0)
    Rc = SQLGetData(Hstmt, 4, 1, ColVal, Lench(ColVal), pcblench)
    ProStyle = TrimStr(ColVal)
    
    
    
    ColVal = String(400, 0)
    Rc = SQLGetData(Hstmt, 5, 1, ColVal, Lench(ColVal), pcblench)
    ProUnit = TrimStr(ColVal)

    ColVal = String(40, 0)
    Rc = SQLGetData(Hstmt, 6, 1, ColVal, Lench(ColVal), pcblench)
    ProPrice = Val(ColVal)

    
  End If
    
  Rc = SQLFreeStmt(Hstmt, SQL_DROP)
  
  GetInfo = True
  DB_Disconnect
End Function

Public Function In_DB(ByVal TmpProName As String) As Boolean
  DB_Connect
  
  SqlStmt = "SELECT ProId FROM Product WHERE ProName='" + Trim(TmpProName) + "'"
  OdbcExt (SqlStmt)
  If SQLFetch(Hstmt) <> SQL_NO_DATA_FOUND Then
    In_DB = True
  Else
    In_DB = False
  End If
  Rc = SQLFreeStmt(Hstmt, SQL_DROP)

  DB_Disconnect
End Function

Public Sub Insert()
   ProId = GetNewId
  '連接數(shù)據(jù)庫
  DB_Connect
  '設(shè)置Insert語句
  SqlStmt = "INSERT INTO Product (ProName, " _
     + " ProUnit, ProPrice )" _
     + " Values('" + Trim(ProName) + "'," _
     + "'" + Trim(ProUnit) + "'," _
     + " " + Trim(ProPrice) + ")"
  '執(zhí)行SQL語句
  OdbcExt (SqlStmt)
  Rc = SQLFreeStmt(Hstmt, SQL_DROP)
  '斷開與數(shù)據(jù)庫的連接
  DB_Disconnect
  'Insert = ProId
End Sub

Public Sub Load_by_Type(ByVal TmpTypeId As Integer)
  Dim i As Integer
  '初始化部門數(shù)組
  Erase Arr_Product
  ReDim Arr_Product(0)
  
  DB_Connect
  SqlStmt = "SELECT ProName FROM Product  ORDER BY ProName"
  OdbcExt (SqlStmt)
  i = 0
  Do Until SQLFetch(Hstmt) = SQL_NO_DATA_FOUND
    '讀取部門編號(hào)
    ColVal = String(40, 0)
    Rc = SQLGetData(Hstmt, 1, 1, ColVal, Len(ColVal), pcblen)
    ReDim Preserve Arr_Product(i + 1)
    Arr_Product(i) = TrimStr(ColVal)
    
    i = i + 1
  Loop
  Rc = SQLFreeStmt(Hstmt, SQL_DROP)
  
  DB_Disconnect
End Sub

Public Function HaveType(ByVal TmpTypeId As Long) As Boolean
  DB_Connect
  
  SqlStmt = "SELECT ProId FROM Product WHERE TypeId=" + Trim(TmpTypeId)
  OdbcExt (SqlStmt)
  If SQLFetch(Hstmt) <> SQL_NO_DATA_FOUND Then
    HaveType = True
  Else
    HaveType = False
  End If
  Rc = SQLFreeStmt(Hstmt, SQL_DROP)

  DB_Disconnect
End Function

Public Sub Update(ByVal OriProId As Integer)
  '連接數(shù)據(jù)庫
  DB_Connect
  '設(shè)置Update語句
  SqlStmt = "Update Product Set ProName='" + Trim(ProName) _
          + "',ProUnit='" + Trim(ProUnit) _
          + "',ProPrice=" + Trim(ProPrice) + _
          " WHERE ProId=" + Trim(Str(OriProId))
  '執(zhí)行SQL語句
  OdbcExt (SqlStmt)
  Rc = SQLFreeStmt(Hstmt, SQL_DROP)
  '斷開與數(shù)據(jù)庫的連接
  DB_Disconnect
End Sub