foreach 内有条件，Razor 内有条件

发布于 2024-12-27 23:57:38 字数 617 浏览 2 评论 0原文

我正在尝试学习 Razor，但遇到了语法问题。当我运行以下代码时：

@if (searchTerm != ""){
  <h2>Showing @ExamineManager.Instance.Search(searchTerm, true).Count() results for @searchTerm</h2>
  <div class="search-results">
    @foreach (var result in ExamineManager.Instance.Search(searchTerm, true)) {   
      if (result.Fields["nodeTypeAlias"] == 'File'){
        <p>File</p>
      }else{
        <p>Not file</p>  
      }
    }
  </div>
}

出现此错误，提示“字符文字中的字符过多”。代码的实际机制是有效的，我认为这只是条件嵌套方式的语法问题，但我尝试了@{}块的各种组合并将@添加到各个行，但就是无法让它工作。

谁能看到我做错了什么吗？

谢谢！

原文

I'm trying to learn Razor but have come up against a syntax problem. When I run the following code:

@if (searchTerm != ""){
  <h2>Showing @ExamineManager.Instance.Search(searchTerm, true).Count() results for @searchTerm</h2>
  <div class="search-results">
    @foreach (var result in ExamineManager.Instance.Search(searchTerm, true)) {   
      if (result.Fields["nodeTypeAlias"] == 'File'){
        <p>File</p>
      }else{
        <p>Not file</p>  
      }
    }
  </div>
}

this errors, saying "Too many characters in character literal". The actual mechanism of the code works, it's just a syntax problem with the way the conditionals are nested I think, but I've tried various combinations of @{} blocks and prepending @ to various lines but just can't get it to work.

Can anyone see what I'm doing wrong?

Thanks!

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葬﹪忆之殇 2025-01-03 23:57:38

'File' 语法无效。当您想要使用字符串时，您可能在 if 条件中指的是 "File" ：

if (result.Fields["nodeTypeAlias"] == "File")

'File' is invalid syntax. You probably meant "File" in your if condition when you want to work with strings:

if (result.Fields["nodeTypeAlias"] == "File")

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墨小墨 2025-01-03 23:57:38

那是因为你在 c# 中进行了比较

result.Fields["nodeTypeAlias"] == 'File'

，你不能像那样将字符串写入单引号中。你应该把它改成

result.Fields["nodeTypeAlias"] == "File"

That is because you've got comparison

result.Fields["nodeTypeAlias"] == 'File'

In c#, you cannot write strings into single quotes like that. You should change it into

result.Fields["nodeTypeAlias"] == "File"

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撩动你心 2025-01-03 23:57:38

只需更改代码，这样

    @{

      if (searchTerm != ""){
      <h2>Showing @ExamineManager.Instance.Search(searchTerm, true).Count() results for @searchTerm</h2>
      <div class="search-results">
        foreach (var result in ExamineManager.Instance.Search(searchTerm, true)) {   
          if (result.Fields["nodeTypeAlias"] == 'File'){
            <p>File</p>
          }
          else{
            <p>Not file</p>  
          }
        }
      </div>
    }


        }

此代码将帮助您

Just change the Code In this way

    @{

      if (searchTerm != ""){
      <h2>Showing @ExamineManager.Instance.Search(searchTerm, true).Count() results for @searchTerm</h2>
      <div class="search-results">
        foreach (var result in ExamineManager.Instance.Search(searchTerm, true)) {   
          if (result.Fields["nodeTypeAlias"] == 'File'){
            <p>File</p>
          }
          else{
            <p>Not file</p>  
          }
        }
      </div>
    }


        }

THis code will help you

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