主题：没有加载行时出错

.NET Framework 版本：2.0.50727.5485

Foxtable 版本：2014.10.16.1

错误所在事件：监造日志,CurrentChanged

详细错误信息：

未将对象引用设置到对象的实例。

 

CurrentChanged的代码如下：

If Forms("监造日志窗口").Opened Then

    Dim fm As WinForm.FileManager = Forms("监造日志窗口").Controls("FileManager1")

 

    Dim tv As Date = Tables("监造日志").Current("填报日期")

    Dim tp As TimeSpan = Date.Today - tv 

    If tp.TotalDays >= 1 Then '如果订单已经超过1天     

        forms("监造日志窗口").controls("TextBox1").Enabled=False    

        fm.DeleteCommand.Visible = False

        fm.ClearCommand.Visible = False

        fm.AddCommand.Visible = False

    Else     

        forms("监造日志窗口").controls("TextBox1").Enabled=True     

        fm.DeleteCommand.Visible = True

        fm.ClearCommand.Visible = True

        fm.AddCommand.Visible = True

    End If

End If

 

If Forms("监造日志窗口").Opened Then

    Dim fn As WinForm.PictureViewer = Forms("监造日志窗口").Controls("PictureViewer1")

    Dim tv As Date = Tables("监造日志").Current("填报日期")

    Dim tp As TimeSpan = Date.Today - tv 

    If tp.TotalDays >= 1 Then '如果订单已经超过1天     

        fn.DeleteCommand.Visible = False

        fn.ClearCommand.Visible = False

        fn.AddCommand.Visible = False

    Else      

        fn.DeleteCommand.Visible = True

        fn.ClearCommand.Visible = True

        fn.AddCommand.Visible = True

    End If