WebApr 11, 2024 · See also. An iterator can be used to step through collections such as lists and arrays. An iterator method or get accessor performs a custom iteration over a collection. An iterator method uses the yield return statement to return each element one at a time. When a yield return statement is reached, the current location in code is remembered. Web我有一個列表,然后我想將其傳遞給查看。 我使用模型綁定方法。 這是我的代碼:型號: 控制器: 在視圖中,我想按GroupID組顯示列表 adsbygoogle window.adsbygoogle .push 我的問題是:如果使用上面的代碼,則視圖會正確顯示組中的數據,但是當我單擊 保存 按鈕 …
c# - Razor Pages - Foreach loop through list to get data to display …
WebSep 20, 2024 · IN THIS ARTICLE: Use an index counter with C#’s foreach loop: here’s how. Option 1: Create and manage an integer loop variable yourself. Option 2: Use a tuple to get … WebNov 18, 2024 · Just a quick tip today! for and foreach loops are among the most useful constructs in a C# developer’s toolbox. To iterate a collection, foreach is, in my opinion, more convenient than for in most cases. It works with all collection types, including those that are not indexable such as IEnumerable, and doesn’t require to access the current … canlines limited
Use ForEach in Razor - social.msdn.microsoft.com
Webforeach: 0 1, 0 foreach: 0 2, 1 foreach: 0 3, 2 Which is not something you'd expect (index is always 0 at foreach) just from simple look at the code. Describe the solution you'd like. Perhaps an analyzer warning would be useful in such case as it is not obvious/misleading from code that index doesn't increment outside closure. WebApr 14, 2011 · Yesterday, during my ASP.NET MVC 3 talk at Mix 11, I wrote a useful helper method demonstrating an advanced feature of Razor, Razor Templated Delegates.. There are many situations where I want to quickly iterate through a bunch of items in a view, and I prefer using the foreach statement. But sometimes, I need to also know the current index. WebJun 30, 2024 · Inside a code block, as an alternative to using Razor comment syntax, you can use the commenting syntax of the programming language you're using, such as C#: CSHTML. Copy. @ { // This is a comment. var myVar = 17; /* This is a multi-line comment that uses C# commenting syntax. */ } can lines disappear on lateral flow