Visual Studio 2012行为 [英] Visual studio 2012 behaviour

问题描述

我正在尝试从一本名为《 C#数据库基础知识》的书中学习C#，其中一部分练习是以下代码行:
orders_details_bndSource.CurrentItemChanged + =新的EventHandler(orders_details_bndSource_CurrentItemChanged);

当我在编辑器中键入它时，出现以下构建错误:
名称"orders_details_bndSource_CurrentItemChanged"在当前上下文中不存在
C:\ Users \ steve \ documents \ Visual Studio 2012 \ Projects \ SimpleDataEntryForm \ SimpleDataEntryForm \ Form1.cs 55 74 SimpleDataEntryForm
我究竟做错了什么?我已经从书中逐行跟踪了代码.

I am trying to learn C# from a book called C# Database basics and part of one of the exercises is this line of code:
orders_details_bndSource.CurrentItemChanged += new EventHandler(orders_details_bndSource_CurrentItemChanged);

When I type it into the editor, I get the following build error:
The name ''orders_details_bndSource_CurrentItemChanged'' does not exist in the current context
C:\Users\steve\documents\visual studio 2012\Projects\SimpleDataEntryForm\SimpleDataEntryForm\Form1.cs 55 74 SimpleDataEntryForm
What am I doing wrong? I have follwed the code line by line from the book.

推荐答案

这是在告诉您，没有名为"orders_details_bndSource_CurrentItemChanged"的方法.在C#中，有一个生成它的快捷方式.键入orders_details_bndSource.CurrentItemChanged + =，然后按两次TAB键.它将为您生成存根.

但是我敢打赌，如果您看上去够用心的话，它就会出现在书中.

It is telling you that there is no method named "orders_details_bndSource_CurrentItemChanged". In C# there is a shortcut to generate it. Type orders_details_bndSource.CurrentItemChanged += and then press TAB twice. It will generate the stub for you.

But I bet if you look hard enough it is in your book.

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