C# 读取config

控制台应用程序

App.config:

AppSettings.config:

Program.cs:

string a = ConfigurationManager.AppSettings["a"];
string b = ConfigurationManager.AppSettings["b"];
Console.WriteLine("a={0}", a);
Console.WriteLine("b={0}", b);
Console.ReadKey();

报错:

解决方法:

重新运行结果:


web应用程序

Web.config:

AppSettings.config:

index.aspx.cs代码:

string a = ConfigurationManager.AppSettings["a"];
string b = ConfigurationManager.AppSettings["b"];
divTxt.InnerHtml += "a=" + a+ "<br/>b=" + b;

结果:

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转载自www.cnblogs.com/zhyue93/p/CSharp1.html