电表管理系统VB_论文天下网

m rstE As New ADODB.Recordset
    Dim cmdExe As New ADODB.Command
    Dim nowEv As Double
    Dim sqlAdd As String
    If Trim(txtUserName(0).Text) = "" Then
       MsgBox " 没有要抄表用户，请先添加用户！   ", vbInformation
       Exit Sub
    End If
    If Trim(txtUserName(9).Text) = "" Then
       MsgBox " 请先输入数据！   ", vbInformation
       Exit Sub
    End If

    If Trim(txtUserName(9).Text) < Trim(txtUserName(2).Text) Then
       MsgBox " 输入数据错误，当前止码太小！   ", vbInformation
       Exit Sub
    End If
    cnn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Jet OLEDB:database password= " & DbPassword & " ;Data Source= " & _
    App.Path & "\data\dbdb.mdb;Persist Security Info=False"
    cnn.CursorLocation = adUseClient
    cnn.Open
    cmdExe.ActiveConnection = cnn
    rstE.Open "select nowecount from panelinfo where holderID= '" & Trim(txtUserName(0)) & "'", cnn, adOpenStatic, adLockBatchOptimistic

    nowEv = Val(rstE.Fields(0).Value) + (Val(txtUserName(9)) - Val(txtUserName(2)))


    sqlAdd = "update panelinfo set LEndPCode=" & Val(txtUserName(2).Text) & ",cEndCode=" & Val(txtUserName(9).Text) & ",nowEcount=" & nowEv & " ,writedate=#" & dtpwdate(1) & "# where holderID= '" & Trim(txtUserName(0)) & "'"
    cmdExe.CommandText = sqlAdd
    cmdExe.Execute sqlAdd
   ' cnn.Execute sqlAdd
    txtUserName(2).Text = txtUserName(9)
    txtUserName(9) = ""

    cnn.Close

    MsgBox " 数据保存完成！ ", vbInformation
   Unload Me

End Sub

Private Sub Form_Load()
Dim rst As New ADODB.Recordset
Dim sqlEdit As String
dtpwdate(1).Value = Format(Now, "yyyy-mm-dd")
sqlEdit = "select * from panelinfo "
sqlEdit = sqlEdit & " where holderid='" & Trim(MDIme.txtUserName(0)) & "'and delflag<>true"
rst.Open sqlEdit, gCnn, adOpenStatic, adLockBatchOptimistic

If Not rst.EOF Then

    txtUserName(0) = rst.Fields(1)
    txtUserName(1) = rst.Fields(2)
    txtUserName(2) = rst.Fields!cendcode
    dtpwdate(0).Value = rst.Fields(4)


End If
buttontime = False
End Sub

Private Sub Form_Unload(Cancel As Integer)

MDIme.loadData (txtUserName(0))
Cancel = 0
End Sub

Private Sub nextuser_Click()

Dim rst As New ADODB.Recordset
Dim sqlEdit As String
sqlEdit = "select * from panelinfo "
sqlEdit = sqlEdit & " wher

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电表管理系统VB(六)