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C# HTTP上传文件（客户端及服务器端） - .NET(C#) - 清泛IT论坛，有思想、有深度
C#文件上传方案非常简约，通过System.Net.WebClient进行文件上传，服务器端从HttpRequest中获取上传的文件集合，然后逐一保存到服务器的指定位置。
先来看看服务器端如何从HttpRequest中取出文件并保存文件的：（建立一个空白的asp...
C#连接有用户名密码验证的MongoDB - .NET(C#) - 清泛IT论坛，有思想、有深度
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使用MongoVUE输入用户名密码能够连接MongoDB，但是使用C#如下代码连接时出现异常“Invalid credentials for database 'admin'”：
MongoServer server = new MongoClient("mongodb://username:password@host:port").GetServer();
MongoDatabase db = server.GetDatabase...
Developing C# on Linux
I'd like to know if there are effective and open source tools to develop C# applications on Linux (Ubuntu). In particular, I have to develop Windows Forms applications.
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What's the use/meaning of the @ character in variable names in C#?
I discovered that you can start your variable name with a '@' character in C#.
In my C# project I was using a web service (I added a web reference to my project) that was written in Java. One of the interface objects defined in the WSDL had a member variable with the name "params". Obviously this i...
C# 4.0 optional out/ref arguments
Does C# 4.0 allow optional out or ref arguments?
9 Answers
9
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switch / pattern matching idea
...to leap the fence any time soon, it definitely highlights some areas where C# (or library support) could make life easier.
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What does placing a @ in front of a C# variable name do? [duplicate]
I've been working with some C# legacy code and I've been seeing a lot of @ symbols in front of variable names. What does this signify or do?
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Initializing C# auto-properties [duplicate]
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Update - the answer below was written before C# 6 came along. In C# 6 you can write:
public class Foo
{
public string Bar { get; set; } = "bar";
}
You can also write read-only automatically-implemented properties, which are only writable in the constructor (but c...
C#科学计数法转换decimal出错 - .NET(C#) - 清泛IT论坛，有思想、有深度
decimal scientific = decimal.Parse("2.1021E-05")
执行发生异常：“未经处理的异常: System.FormatException: 输入字符串的格式不正确。”
解决方法：
decimal scientific = decimal.Parse("2.1021E-05", System.Globalization.NumberS...
C#科学计数法转换decimal出错 - .NET(C#) - 清泛IT论坛，有思想、有深度
decimal scientific = decimal.Parse("2.1021E-05")
执行发生异常：“未经处理的异常: System.FormatException: 输入字符串的格式不正确。”
解决方法：
decimal scientific = decimal.Parse("2.1021E-05", System.Globalization.NumberS...