VS中的Exceltion处理

问题描述

我是编程新手.
调试时出现以下错误消息.我附上了XAML代码.您能帮忙更正代码吗?

错误:
------------------------------------------------

I am new to programming.
I have the following error message while debugging. I am enclosing the XAML codes. Can you please help in correcting the code?

Error:
------------------------------------------------

System.NotImplementedException was unhandled
  Message=The method or operation is not implemented.
  Source=Login
  StackTrace:
       at Login.MainMenu.Show() in F:\VS Project\EDU 1\Login\Login\MainMenu.vb:line 4
       at Login.Login.btnLogin_click(Object sender, RoutedEventArgs e) in F:\VS Project\EDU 1\Login\Login\Login.xaml.vb:line 16

-----------------------------------------------

MainMenu.vb
------------------------------------------------

-----------------------------------------------

MainMenu.vb
------------------------------------------------

Public Class MainMenu

    Sub Show()
        Throw New NotImplementedException
    End Sub

End Class

---------------------------------------------
login.xaml.vb
--------------------------------------------

---------------------------------------------
login.xaml.vb
--------------------------------------------

Class Login

    Private Sub Window_Loaded(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs) Handles MyBase.Loaded

        Dim LoginDataSet As Global.Login.LoginDataSet = CType(Me.FindResource("LoginDataSet"), Global.Login.LoginDataSet)
        'Load data into the table Login_Master. You can modify this code as needed.
        ' Dim LoginDataSetLogin_MasterTableAdapter As Global.Login.LoginDataSetTableAdapters.Login_MasterTableAdapter = New Global.Login.LoginDataSetTableAdapters.Login_MasterTableAdapter()
        ' LoginDataSetLogin_MasterTableAdapter.Fill(LoginDataSet.Login_Master)
        ' Dim Login_MasterViewSource As System.Windows.Data.CollectionViewSource = CType(Me.FindResource("Login_MasterViewSource"), System.Windows.Data.CollectionViewSource)
        ' Login_MasterViewSource.View.MoveCurrentToFirst()
    End Sub

    'Private Sub MainMenu_Loaded(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs) Handles btnLogin.Click
    Private Sub btnLogin_click(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs) Handles btnLogin.Click
        Dim newMenu As New MainMenu
        newMenu.Show()

    End Sub
End Class

-------------------------------------------------- -------------

---------------------------------------------------------------

推荐答案

Sub Show()
    Throw New NotImplementedException
End Sub

尝试根据您的要求修改潜水艇.

一些链接:
-抛出语句(Visual Basic) [ ^ ]
-尝试...捕获...最终声明(Visual Basic) [ ^ ]
-异常处理任务(Visual Basic) [ ^ ]

Try modifying the sub as per your requirements.

Some links:
- Throw Statement (Visual Basic)[^]
- Try...Catch...Finally Statement (Visual Basic)[^]
- Exception Handling Tasks (Visual Basic)[^]

注意:

NotImplementedException使用默认的Equals实现，该实现支持引用相等.有关NotImplementedException实例的初始值的列表，请参见NotImplementedException构造函数.

NotImplementedException uses the default Equals implementation, which supports reference equality. For a list of initial values for an instance of NotImplementedException, see the NotImplementedException constructors.

更多信息:
NotImeplementedException类 [ ^ ]
NotImplementedException构造函数 [ ^ ]

More at:
NotImeplementedException Class[^]
NotImplementedException Constructor[^]

这篇关于VS中的Exceltion处理的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！