[英]reading web.config from class library
我有两个项目1)类库,没有接口只是一个api 2)Web应用程序
从网络应用程序我将调用类库api
所以我在Web应用程序中拥有所有web.config设置,但是当我调试它总是返回我的null值,这里是代码snippit:
public static string readingDB
{
get
{
string result = null;
result = ConfigurationManager.AppSettings["employeeDB"]; //conn string
if (!string.IsNullOrEmpty(result))
{
return result;
}
else
{
return ""; //???? THROW EXCEPTION???
}
}
}
我也试过,在类库项目中创建一个新的app.config,并在那里有相同的appsettings但不起作用...
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<applicationSettings>
<add name="employeeDB" connectionString="Data Source=servername;Initial Catalog=employee;Persist Security Info=True;User ID=userid;Password=password;"/>
</applicationSettings>
<customErrors mode="On"/>
</configuration>
任何帮助?
你的语法不正确,应该是
<configuration>
<appSettings>
<add key="employeeDB" value="Data Source=servername;Initial Catalog=employee;Persist Security Info=True;User ID=userid;Password=password;"/>
</appSettings>
</configuration>
或者更准确地说,因为它是一个连接字符串,
<configuration>
<connectionStrings>
<add name="employeeDB" connectionString="Data Source=servername;Initial Catalog=employee;Persist Security Info=True;User ID=userid;Password=password;"/>
</connectionStrings>
</configuration>
这将由ConfigurationManager.ConnectionStrings["employeeDB"]
读取
此外,System.Configuration程序集不会自动添加到类库中。
你的标签是错误的..应该是'appSettings'而不是'applicationSettings'
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<appSettings>
<add name="employeeDB" connectionString="Data Source=servername;Initial Catalog=employee;Persist Security Info=True;User ID=userid;Password=password;"/>
</appSettings>
<customErrors mode="On"/>
</configuration>
刚看到帖子,我有同样的问题,但我有办法..添加System.Web.Configuration
引用你的类库prj然后
ConnectingString = WebConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;
希望这会有所帮助
appSettings应该是这样的
<appSettings>
<add key="employeeDB" value="xxxx" />
</appSettings>
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.