我有一个div标签,嵌套在许多span和div标签中.
现在我想要一个JavaScript中的正则表达式,它将剥离div标签并获取其中的内容.
嗨,我正在使用EPPlus在c#2.0中创建excel.我添加了"EPPlus.dll"的引用并添加了
using OfficeOpenXML;
Run Code Online (Sandbox Code Playgroud)
但是当我试图运行解决方案时,它会给出以下错误.
错误:
The type or namespace name 'OfficeOpenXml' could not be found (are you missing a using directive or an assembly reference?)
Run Code Online (Sandbox Code Playgroud)
警告1:
The primary reference "EPPlus, Version=3.1.3.0, Culture=neutral, PublicKeyToken=ea159fdaa78159a1, processorArchitecture=MSIL" could not be resolved because it has an indirect dependency on the framework assembly "WindowsBase, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" which could not be resolved in the currently targeted framework. ".NETFramework,Version=v2.0". To resolve this problem, either remove the reference "EPPlus, Version=3.1.3.0, Culture=neutral, PublicKeyToken=ea159fdaa78159a1, processorArchitecture=MSIL" or retarget your application …Run Code Online (Sandbox Code Playgroud) 我刚刚学习设计模式,有几个问题
1) 应用程序中可以有多种设计模式吗?
2) ASP.NET B2C 应用程序有哪些好的或建议的设计模式?