编译器错误消息:CS1009:无法识别的转义序列 [英] Compiler Error Message: CS1009: Unrecognized escape sequence

问题描述

Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately. 

Compiler Error Message: CS1009: Unrecognized escape sequence

Source Error:


Line 42:         
Line 43:         public override void Execute() {
Line 44: WriteLiteral("\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\" +
Line 45: "\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\" +
Line 46: "\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\" +

Source File: c:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\9d389ed9\2c615f86\App_Web_index.cshtml.c114ca27.wbkbq-st.0.cs    Line: 44 

有人检查昨天的项目是否正常，但今天不工作.它可以毫无问题地编译和构建，但是不起作用.

Someone check that yesterday project work fine but today it's not work. it compile and build without any trouble but doesn't work.

推荐答案

第44行:您有81个反斜杠.在第45和46行上，每个都有80.当在字符串文字中使用时，反斜杠字符用作转义"字符来表示诸如换行符和制表符之类的内容.如果您确实希望在字符串中使用反斜杠，则需要为每个所需的反斜杠指定2个连续的反斜杠.由于第44行上的反斜杠数量奇数，因此会出现错误.

On line 44: you have 81 backslashes. On lines 45 and 46 you have 80 each. When used in a string literal, the backslash character is used as an "escape" character to indicate things like new-lines and tabs. If you actually want the backslash in your string, you need to specify 2 consecutive backslashes for each backslash desired. Since you have an odd number of backslashes on line 44, you are getting the error.

如果您确实想要这么多的反斜杠，可以在C#中通过在字符串文字前加上@来禁用转义符，如下所示:

If you really want that many backslashes, you can disable the escape character in C# by preceding the string literal with an @ like this:

WriteLiteral(@"\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"
           + @"\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"
           + @"\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\"

或者，您可以从第44行中删除一个反斜杠.

Alternatively, you can delete one of the backslashes from line 44.

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