只要点mshflexgrid控件getfocus事件就会被触发，而cellLeave事件只有改变单元格时才会被触发，而且cellLeave事件要比getfocus事件先执行，如果cellLeave事件中有msgBox或exit sub，那么getfocus就不会再执行。

另外，为了使mshflexgrid变成一个可编辑的控件，变相的处理方式是引入一个文本框，在getfocus事件中将该文本框填充到表格的单元格中，下面是我的一个程序的一个文本的源代码，贴出来供大家共享，这个文件里面虽然参杂了我的业务代码，但是如果仔细看是能够明白如何使mshflexgrid变成一个可编辑控件的

Public foutputStockBillId As String
Public buttonKey As String
Dim msg As String
Private Sub cancel_Click()
Unload Me
End Sub
Private Sub confirm_Click()
outputStockBillEntryMSHFlexGrid_leavecell
On Error GoTo err:
'输入校验
If fnumber.Text = "" Then
MsgBox "入库单编码不能为空！",vbOKOnly,"错误"
fnumber.SetFocus
Exit Sub
End If
If outputStockBillEntryMSHFlexGrid.Rows < 1 Then
MsgBox "请选择商品！","错误"
Exit Sub
End If
'客户信息不能为空
If Me.fcustomerId = "" Then
MsgBox "客户信息不能为空！","错误"
Exit Sub
End If
'检查编码是否重复
If isNumberExist(fnumber.Text) Then
MsgBox "出库单编码重复，请重新输入！","错误"
Exit Sub
End If
'检查数据输入是否正确
For i = 1 To outputStockBillEntryMSHFlexGrid.Rows - 1
If outputStockBillEntryMSHFlexGrid.TextMatrix(i,7) = "" Then
MsgBox outputStockBillEntryMSHFlexGrid.TextMatrix(i,5) + "重量不能为空，请输入！","提示"
Exit Sub
End If
If Not CheckInput.isPositiveRealNumber(outputStockBillEntryMSHFlexGrid.TextMatrix(i,7)) Then
MsgBox outputStockBillEntryMSHFlexGrid.TextMatrix(i,5) + "重量输入有误，请重新输入！","提示"
Exit Sub
End If
If outputStockBillEntryMSHFlexGrid.TextMatrix(i,8) = "" Then
MsgBox outputStockBillEntryMSHFlexGrid.TextMatrix(i,5) + "数量不能为空，请输入！",8)) Then
MsgBox outputStockBillEntryMSHFlexGrid.TextMatrix(i,5) + "数量输入有误，请重新输入！",9) = "" Then
MsgBox outputStockBillEntryMSHFlexGrid.TextMatrix(i,5) + "单价不能为空，请输入！",9)) Then
MsgBox outputStockBillEntryMSHFlexGrid.TextMatrix(i,5) + "单价输入有误，请重新输入！","提示"
Exit Sub
End If
Next i

'消退时数量不能大于原来的数据
For i = 1 To outputStockBillEntryMSHFlexGrid.Rows - 1
If Not isEnoughAmount(outputStockBillEntryMSHFlexGrid.TextMatrix(i,1),outputStockBillEntryMSHFlexGrid.TextMatrix(i,8)) Then
MsgBox "消退数量不能大于原来的出库单数量","错误"
Exit Sub
End If
Next i
'防止用户直接点确定按钮，强制调整重量
For i = 1 To outputStockBillEntryMSHFlexGrid.Rows - 1
outputStockBillEntryMSHFlexGrid.TextMatrix(i,7) = getBackWeight(outputStockBillEntryMSHFlexGrid.TextMatrix(i,CDbl(outputStockBillEntryMSHFlexGrid.TextMatrix(i,8)))
Next i
'按照先进后出修改入库单剩余数量，插入消退单，修改库存数量，修改出库单的重量时按照先进后出的原则
Dim conn As New ADODB.Connection
conn.connectionString = dataBaseConn.getExistConnectionString
conn.Open
conn.BeginTrans '开始事务
Dim today As Date
today = Now
foutputStockBillId = createGUID.createGUID
Dim foutputStockBillEntryId As String

'插入出库单记录商品
conn.Execute "insert into t_outputStockBill(foutputStockBillId,fnumber,foutputStockDatetime,fcustomerId,fisBackBill,fparentBillNumber) " _
+ " values('" + foutputStockBillId + "','" + fnumber.Text + "','" + CStr(today) + "','" + fcustomerId.Text + "','1','" + outputStockBillEntryMSHFlexGrid.TextMatrix(1,3) + "')"
'插入出库单分录,修改原出库单的退单数
For i = 1 To outputStockBillEntryMSHFlexGrid.Rows - 1
foutputStockBillEntryId = createGUID.createGUID
conn.Execute "insert into t_outputStockBillEntry(foutputStockBillEntryId,foutputStockBillId,fgoodId,fweight,famount,funitPrice,foutDate) " _
+ " values('" + foutputStockBillEntryId + "','" + foutputStockBillId + "','" + outputStockBillEntryMSHFlexGrid.TextMatrix(i,2) + "','" _
+ outputStockBillEntryMSHFlexGrid.TextMatrix(i,7) + "',8) + "',9) + "','" + CStr(today) + "')"
conn.Execute "update t_outputStockBillEntry set fbackAmount = (case when fbackAmount is null then " + outputStockBillEntryMSHFlexGrid.TextMatrix(i,8) + " else fbackAmount+" + outputStockBillEntryMSHFlexGrid.TextMatrix(i,8) + " end),fbackWeight=(case when fbackWeight is null then " + outputStockBillEntryMSHFlexGrid.TextMatrix(i,8) + " else fbackWeight+" + outputStockBillEntryMSHFlexGrid.TextMatrix(i,8) + " end) where foutputStockBillEntryId='" + outputStockBillEntryMSHFlexGrid.TextMatrix(i,1) + "'"
'修改入库单分录商品剩余数量，按先进后出原则将入库单中的商品的数量消除掉，注意要查找重量和出库单重量匹配的入库单修改
Dim sql As String
sql = "declare @famount decimal(18,2),@fbackAmount decimal(18,@finputStockBillEntryId varchar(200),@fId varchar(36),@k decimal(18,2) " _
+ "declare cur cursor for select t1.famount,t1.fbackAmount,t2.finputStockBillEntryId,t1.fId from t_outputFromInput t1 " _
+ "inner join t_inputStockBillEntry t2 on t1.finputStockBillEntryId=t2.finputStockBillEntryId Where t1.foutputStockBillEntryId='" + outputStockBillEntryMSHFlexGrid.TextMatrix(i,1) + "' and t1.famount > t1.fbackAmount " _
+ "order by t2.fentryDate desc " _
+ "open cur " _
+ "set @k = " + outputStockBillEntryMSHFlexGrid.TextMatrix(i,8) + " " _
+ "fetch next from cur into @famount,@fbackAmount,@finputStockBillEntryId,@fId " _
+ "while @@FETCH_STATUS=0 " _
+ "begin " _
+ " if @famount-@fbackAmount>=@k " _
+ " begin " _
+ " update t_inputStockBillEntry set fremainAmount=fremainAmount+@k where finputStockBillEntryId=@finputStockBillEntryId " _
+ " update t_outputFromInput set fbackAmount=fbackAmount+@k where fId=@fId " _
+ " break " _
+ " End " _
+ " Else " _
+ " begin " _
+ " update t_inputStockBillEntry set fremainAmount=@famount where finputStockBillEntryId=@finputStockBillEntryId " _
+ " update t_outputFromInput set fbackAmount=@famount where fId=@fId " _
+ " set @k=@k-(@famount-@fbackAmount) " _
+ " fetch next from cur into @famount,@fId " _
+ " End " _
+ "End " _
+ " close cur " _
+ "DEALLOCATE cur"
conn.Execute sql
'修改库存记录,原来的基础上减去重量和数量
conn.Execute "update t_stock set famount=famount+" + outputStockBillEntryMSHFlexGrid.TextMatrix(i,8) _
+ ",fweight=fweight+" + outputStockBillEntryMSHFlexGrid.TextMatrix(i,7) _
+ " where fgoodId='" + outputStockBillEntryMSHFlexGrid.TextMatrix(i,2) + "'"
Next i
conn.CommitTrans '结束事务

outputStockBillList.Form_Load
Unload Me
Exit Sub
err:
MsgBox err.Description
If conn.State = adStateOpen Then
conn.RollbackTrans
conn.Close
End If
Unload Me
End Sub
Private Function isExistGood(ByVal goodId As String) As Boolean
Dim conn1 As ADODB.Connection
Set conn1 = New ADODB.Connection
conn1.connectionString = dataBaseConn.getExistConnectionString
conn1.Open
Dim rs As ADODB.Recordset
Dim sql As String
Set rs = conn1.Execute(sql)
sql = "select fgoodId from t_stock where fgoodId ='" + goodId + "'"
If Not (rs.BOF And rs.EOF) Then
isExistGood = True
Else
isExistGood = False
End If
conn1.Close
End Function
Private Function isExistEnoughAmountGood(ByVal goodId As String,ByVal goodAmount As String) As Boolean
On Error GoTo err
Dim conn1 As ADODB.Connection
Set conn1 = New ADODB.Connection
conn1.connectionString = dataBaseConn.getExistConnectionString
conn1.Open
Dim rs As ADODB.Recordset
Dim sql As String
sql = "select fgoodId from t_stock where fgoodId ='" + goodId + "' and famount>=" + goodAmount
Set rs = conn1.Execute(sql)
If Not (rs.BOF And rs.EOF) Then
isExistEnoughAmountGood = True
Else
isExistEnoughAmountGood = False
End If
conn1.Close
Exit Function
err:
MsgBox err.Description,"错误"
End Function
Private Function isExistEnoughWeightGood(ByVal goodId As String,ByVal goodWeight As String) As Boolean
Dim conn1 As ADODB.Connection
Set conn1 = New ADODB.Connection
conn1.connectionString = dataBaseConn.getExistConnectionString
conn1.Open
Dim rs As ADODB.Recordset
Dim sql As String
Set rs = conn1.Execute(sql)
sql = "select fgoodId from t_stock where fgoodId ='" + goodId + "' and famount=" + goodWeight
If Not (rs.BOF And rs.EOF) Then
isExistEnoughWeightGood = True
Else
isExistEnoughWeightGood = False
End If
conn1.Close
End Function

Private Sub custName_Click()
custSelDlg.Top = Me.Top + 1000
custSelDlg.Left = Me.Left + 1000
custSelDlg.Show 1
End Sub

Private Sub Form_Load()
fnumber.Text = getOutputStockBillNextNumber
Dim conn As New ADODB.Connection
conn.connectionString = dataBaseConn.getExistConnectionString
conn.Open '打开连接
'获取出库单编码和客户信息（包括客户名称，客户ID）
Dim sql As String
sql = "select t1.fnumber,t1.fcustomerId,t2.fname from t_outputStockBill t1 inner join t_customer t2 on t1.fcustomerId=t2.fcustomerId "
Dim rs As ADODB.Recordset
Set rs = conn.Execute(sql)
If Not (rs.EOF And rs.BOF) Then
fcustomerId.Text = rs.Fields("fcustomerId")
custName.Text = rs.Fields("fname")
End If

Dim stitle As String
stitle = "< |<出库单分录ID |<商品ID |<出库单编码 |<出库时间 |<商品名称 |<商品规格 |<总重量 |<数量|<单价 "
outputStockBillEntryMSHFlexGrid.FormatString = stitle
outputStockBillEntryMSHFlexGrid.colWidth(0) = 300
outputStockBillEntryMSHFlexGrid.colWidth(1) = 0
outputStockBillEntryMSHFlexGrid.colWidth(2) = 0
outputStockBillEntryMSHFlexGrid.colWidth(3) = 0
outputStockBillEntryMSHFlexGrid.colWidth(4) = 0
Dim colWidth As Long
colWidth = outputStockBillEntryMSHFlexGrid.Width - outputStockBillEntryMSHFlexGrid.colWidth(0) - 100
outputStockBillEntryMSHFlexGrid.colWidth(5) = colWidth / 5
outputStockBillEntryMSHFlexGrid.colWidth(6) = colWidth / 5
outputStockBillEntryMSHFlexGrid.colWidth(7) = colWidth / 5
outputStockBillEntryMSHFlexGrid.colWidth(8) = colWidth / 5
outputStockBillEntryMSHFlexGrid.colWidth(9) = colWidth / 5

While outputStockBillEntryMSHFlexGrid.TextMatrix(1,2) = "" And outputStockBillEntryMSHFlexGrid.Rows > 2
outputStockBillEntryMSHFlexGrid.RemoveItem 1
Wend
If outputStockBillEntryMSHFlexGrid.Rows = 2 And outputStockBillEntryMSHFlexGrid.TextMatrix(1,2) = "" Then
outputStockBillEntryMSHFlexGrid.RowHeight(1) = 0
End If
outputStockBillEntryMSHFlexGrid.Refresh
Me.tb.BackColor = RGB(240,240,240)

sql = getQuerysql()
Set rs = conn.Execute(sql)
If Not (rs.BOF And rs.EOF) Then
rs.MoveFirst
Do While Not rs.EOF
If outputStockBillEntryMSHFlexGrid.Rows = 2 And outputStockBillEntryMSHFlexGrid.TextMatrix(1,2) = "" Then
outputStockBillEntryMSHFlexGrid.TextMatrix(1,1) = rs.Fields("foutputStockBillEntryId")
outputStockBillEntryMSHFlexGrid.TextMatrix(1,2) = rs.Fields("fgoodId")
outputStockBillEntryMSHFlexGrid.TextMatrix(1,3) = rs.Fields("fnumber")
outputStockBillEntryMSHFlexGrid.TextMatrix(1,4) = CStr(rs.Fields("foutputStockDatetime"))
outputStockBillEntryMSHFlexGrid.TextMatrix(1,5) = rs.Fields("fname")
outputStockBillEntryMSHFlexGrid.TextMatrix(1,6) = rs.Fields("fnorm")
outputStockBillEntryMSHFlexGrid.TextMatrix(1,7) = CStr(rs.Fields("fweight"))
outputStockBillEntryMSHFlexGrid.TextMatrix(1,8) = CStr(rs.Fields("famount"))
outputStockBillEntryMSHFlexGrid.TextMatrix(1,9) = CStr(rs.Fields("funitprice"))
Else
outputStockBillEntryMSHFlexGrid.AddItem "" + vbTab _
+ rs.Fields("foutputStockBillEntryId") + vbTab _
+ rs.Fields("fgoodId") + vbTab _
+ rs.Fields("fnumber") + vbTab _
+ CStr(rs.Fields("foutputStockDatetime")) + vbTab _
+ rs.Fields("fname") + vbTab _
+ rs.Fields("fnorm") + vbTab _
+ CStr(rs.Fields("fweight")) + vbTab _
+ CStr(rs.Fields("famount")) + vbTab _
+ CStr(rs.Fields("funitprice")) + vbTab
End If
outputStockBillEntryMSHFlexGrid.RowHeight(outputStockBillEntryMSHFlexGrid.Rows - 1) = 300
rs.MoveNext
Loop
End If
Set rs = Nothing
conn.Close
End Sub
Private Function isNumberExist(number As String) As Boolean
Dim conn As New ADODB.Connection
conn.connectionString = dataBaseConn.getExistConnectionString
conn.Open
sql = "select foutputStockBillId,fnumber from t_outputStockBill where fnumber='" + number + "'"
Dim rs As Recordset
Set rs = conn.Execute(sql)
If Not (rs.BOF And rs.EOF) Then
If buttonKey = "add" Then
isNumberExist = True
Else
If rs.Fields("foutputStockBillId") <> foutputStockBillId Then
isNumberExist = True
End If
End If
Else
isNumberExist = False
End If
Set rs = Nothing
conn.Close
End Function

Private Function getQuerysql() As String
't1.fnumber,t1.foutputStockDatetime,t3.fname,t3.fnorm,t2.fweight,t2.famount,t2.funitPrice
getQuerysql = "select t2.foutputStockBillEntryId,t3.fgoodId,t1.fnumber,convert(varchar(200),(case when t2.fbackweight is null then t2.fweight else t2.fweight-t2.fbackweight end)) as fweight,(t2.famount-t2.fbackAmount)) as famount,t2.funitPrice " _
+ " from t_outputStockBill t1 " _
+ " inner join t_outputStockBillEntry t2 on t1.foutputStockBillId=t2.foutputStockBillId " _
+ " inner join t_good t3 on t2.fgoodId=t3.fgoodId " _
+ " where t1.foutputStockBillId='" + foutputStockBillId + "' and (t2.fbackAmount<t2.famount or t2.fbackAmount is null) and (t1.FisBackBill<>'1' or t1.fisBackBill is null)"
End Function

Private Sub outputStockBillEntryMSHFlexGrid_GotFocus()
'如果单元格宽度不够，将焦点交给删除按钮
If outputStockBillEntryMSHFlexGrid.CellWidth < 5 Or outputStockBillEntryMSHFlexGrid.CellHeight < 5 Then
deleteGood.SetFocus
Exit Sub
End If
If outputStockBillEntryMSHFlexGrid.col <> 8 Then
deleteGood.SetFocus
Exit Sub
End If
tb.Left = outputStockBillEntryMSHFlexGrid.CellLeft + outputStockBillEntryMSHFlexGrid.Left - 10
tb.Top = outputStockBillEntryMSHFlexGrid.CellTop + outputStockBillEntryMSHFlexGrid.Top - 10
tb.Height = outputStockBillEntryMSHFlexGrid.CellHeight - 5

tb.Width = outputStockBillEntryMSHFlexGrid.CellWidth - 5
tb.Visible = True
tb.SetFocus
Me.tb = Me.outputStockBillEntryMSHFlexGrid.Text
Me.tb.Tag = faIndex(Me.outputStockBillEntryMSHFlexGrid.row,Me.outputStockBillEntryMSHFlexGrid.col)
Me.tb.SetFocus
Me.tb.SelStart = Len(Me.tb)
'控制只能输入数量
If outputStockBillEntryMSHFlexGrid.col <> 8 Then
tb.Locked = True
Else
tb.Locked = False

End If
'显示错误信息
If msg <> "" Then
MsgBox msg,"提示"
msg = ""
End If
End Sub

Private Sub deleteGood_Click()
'当删除到最后只剩下一行非固定行时，此行只能隐藏，不能删除，其它则可以直接删除掉
If outputStockBillEntryMSHFlexGrid.Rows = 2 Then
Dim i As Integer
For i = 1 To outputStockBillEntryMSHFlexGrid.Cols - 1
outputStockBillEntryMSHFlexGrid.TextMatrix(1,i) = ""
Next i
outputStockBillEntryMSHFlexGrid.RowHeight(1) = 0
ElseIf outputStockBillEntryMSHFlexGrid.Rows > 2 Then
outputStockBillEntryMSHFlexGrid.RemoveItem outputStockBillEntryMSHFlexGrid.RowSel
End If
End Sub
Private Sub outputStockBillEntryMSHFlexGrid_leavecell()
'如果行大于一，说明有数据，才执行下面的操作
'如果不是从第八列移开，也不执行一下操作
If outputStockBillEntryMSHFlexGrid.row > 0 And outputStockBillEntryMSHFlexGrid.col = 8 And tb.Text = "" Then
msg = "数量不能为空，请输入！"
End If
If outputStockBillEntryMSHFlexGrid.row > 0 And outputStockBillEntryMSHFlexGrid.col = 8 And Not CheckInput.isPositiveRealNumber(tb.Text) Then
msg = "数量输入有误，请重新输入！"
End If
If outputStockBillEntryMSHFlexGrid.row > 0 And outputStockBillEntryMSHFlexGrid.col = 8 And tb.Text <> "" And CheckInput.isPositiveRealNumber(tb.Text) Then
'如果文本框中内容为空，则退出
'如果从第八列，即数量列移开，那么将给第七列赋值，按照先进后出的原则，给第七列赋值为既定数量的商品的总的重量
'按照先进后去的原则取出商品，然后根据输入的数量，确定商品是否够量，如果不够量，提示客户，如果够量，则累计算出商品的总的重量
Dim conn1 As ADODB.Connection
Dim sql As String
Dim rs As ADODB.Recordset
Set conn1 = New ADODB.Connection
conn1.connectionString = dataBaseConn.getExistConnectionString
conn1.Open
'出库单分录中消退数量不能超过原来的数量
If Not isEnoughAmount(outputStockBillEntryMSHFlexGrid.TextMatrix(outputStockBillEntryMSHFlexGrid.row,CDbl(tb.Text)) Then
msg = "消退数量不能大于原来的出库单数量"
Else
'根据客户输入的数量来计算商品总的重量
outputStockBillEntryMSHFlexGrid.TextMatrix(outputStockBillEntryMSHFlexGrid.row,7) = getBackWeight(outputStockBillEntryMSHFlexGrid.TextMatrix(outputStockBillEntryMSHFlexGrid.row,CDbl(tb.Text))
End If
Set rs = Nothing
conn1.Close
End If
End Sub

Private Sub tb_KeyDown(KeyCode As Integer,Shift As Integer)
On Error Resume Next
Select Case KeyCode

Case 27 ' ESC
'Tb.Visible = False
' outputStockBillEntryMSHFlexGrid.SetFocus
Case 37 ' LEFT
'MoveToCell fgEditMoveleft
KeyCode = 0
If Me.outputStockBillEntryMSHFlexGrid.col = Me.outputStockBillEntryMSHFlexGrid.FixedCols Then Exit Sub
Me.outputStockBillEntryMSHFlexGrid.col = Me.outputStockBillEntryMSHFlexGrid.col - 1
Me.outputStockBillEntryMSHFlexGrid.SetFocus
Case 38 ' Up.
'MoveToCell fgEditMoveup
KeyCode = 0
If Me.outputStockBillEntryMSHFlexGrid.row = Me.outputStockBillEntryMSHFlexGrid.FixedRows Then Exit Sub
Me.outputStockBillEntryMSHFlexGrid.row = Me.outputStockBillEntryMSHFlexGrid.row - 1
Me.outputStockBillEntryMSHFlexGrid.SetFocus
Case 39,13 ' right.回车
' MoveToCell fgEditMoveright
KeyCode = 0
Me.outputStockBillEntryMSHFlexGrid.col = Me.outputStockBillEntryMSHFlexGrid.col + 1
Me.outputStockBillEntryMSHFlexGrid.SetFocus
Case 40 ' Down.
'MoveToCell fgEditMoveDown
KeyCode = 0
Me.outputStockBillEntryMSHFlexGrid.row = Me.outputStockBillEntryMSHFlexGrid.row + 1
Me.outputStockBillEntryMSHFlexGrid.SetFocus
' tb_LostFocus
End Select

End Sub

Private Sub tb_KeyPress(KeyAscii As Integer)
Select Case KeyAscii
Case 9,13,27,37,38,39,40
KeyAscii = 0
End Select
End Sub

Private Sub tb_LostFocus()
Me.tb.Visible = False
Me.outputStockBillEntryMSHFlexGrid.TextArray(tb.Tag) = tb
Me.tb = ""
'Me.Caption = "txt_lostfocus"
End Sub
Function faIndex(row As Integer,col As Integer) As Long
faIndex = row * outputStockBillEntryMSHFlexGrid.Cols + col
End Function
Private Sub outputStockBillEntryMSHFlexGrid_Scroll()
Dim dx As Long,dy As Long
' move tb with cell or hide if cell out of view
If tb.Visible Then
With outputStockBillEntryMSHFlexGrid
If .RowIsVisible(.row) And .ColIsVisible(.col) Then
dx = .Left + .CellLeft - 10
dy = .Top + .CellTop - 10
tb.Move dx,dy
Else
tb.Move -tb.Width,-tb.Height
End If
End With
End If
End Sub

Private Function isEnoughAmount(ByVal outputStockBillEntryId As String,ByVal amount As String) As Boolean
Dim conn As New ADODB.Connection
conn.connectionString = dataBaseConn.getExistConnectionString
conn.Open
Dim sql As String
sql = "select 1 from t_outputStockBillEntry where foutputStockBillEntryId='" + outputStockBillEntryId + "' and ((fbackAmount is null and famount>" + amount + ") or famount>=(fbackAmount+" + amount + "))"
Dim rs As ADODB.Recordset
Set rs = conn.Execute(sql)
If Not (rs.EOF And rs.BOF) Then
isEnoughAmount = True
Else
isEnoughAmount = False
End If
Set rs = Nothing
conn.Close
End Function
Private Function getOutputStockBillNextNumber() As String
Dim conn1 As New ADODB.Connection
conn1.connectionString = dataBaseConn.getExistConnectionString
conn1.Open
Dim sql As String
sql = "select fnumber from t_outputStockBill order by fnumber"
Dim rs As ADODB.Recordset
Set rs = conn1.Execute(sql)
getOutputStockBillNextNumber = CreateNumber.getStrNumber(rs,"O",4)
Set rs = Nothing
conn1.Close
End Function

Private Function getBackWeight(ByVal outputStockBillEntryId As String,ByVal amount As Double) As String Dim sql As String sql = "select t1.famount,t1.fId,t2.fweight from t_outputFromInput t1 " _ + "inner join t_inputStockBillEntry t2 on t1.finputStockBillEntryId=t2.finputStockBillEntryId " _ + "where t1.foutputStockBillEntryId='" + outputStockBillEntryId + "' and t1.famount > t1.fbackAmount " _ + "order by t2.fentryDate desc" Dim conn As New ADODB.Connection conn.connectionString = dataBaseConn.getExistConnectionString conn.Open Dim tolWeight As Double tolWeight = 0 Dim rs As ADODB.Recordset Set rs = conn.Execute(sql) If Not (rs.BOF And rs.EOF) Then rs.MoveFirst Do While Not rs.EOF If rs.Fields("famount") - rs.Fields("fbackAmount") >= amount Then tolWeight = tolWeight + rs.Fields("fweight") * amount Exit Do Else tolWeight = tolWeight + rs.Fields("fweight") * (rs.Fields("famount") - rs.Fields("fbackAmount")) amount = amount - (rs.Fields("famount") - rs.Fields("fbackAmount")) rs.MoveNext End If Loop End If Set rs = Nothing conn.Close getBackWeight = tolWeightEnd Function