如何用C#实现HTTP文件上传？参考JS可行代码仍遇报错

Hey there! I totally feel your frustration—having a working JavaScript file upload but hitting walls with the C# implementation is such a common (and annoying) roadblock.

To help you nail this down, could you share a few critical bits of info?

• The precise error message your C# code is throwing (including any stack trace if you have it—this tells us exactly where things are breaking)
• Your current C# code (just make sure to redact any sensitive stuff like API keys or private endpoints!)
• The working JavaScript code that successfully sends the image file

Once you have those shared, I can compare how the two requests are structured—things like missing request headers, incorrect multipart/form-data formatting, or file encoding mismatches are usually the culprit here. We’ll get your C# upload working just like the JS one in no time!

内容的提问来源于stack exchange，提问作者dens14345