C# connection string in web.config file

Question

在我的代码隐藏页面中，如何访问存储在web.config文件中的连接字符串？

Answer 1

System.Web.Configuration.WebConfigurationManager.ConnectionStrings["YouConnStringName"].ConnectionString;

这需要引用System.Configuration.dll和System.Web.dll。

Answer 2

如何：从Web.config文件中读取连接字符串

Answer 3

From comment on http://msdn.microsoft.com/en-us/library/ms178411.aspx

string c = System.Web.Configuration.WebConfigurationManager.ConnectionStrings["myconnectionstringname"].ConnectionString;

Requires your project to reference to System.Web and System.Configuration. I had to actually add a reference to "System.Configuration" not just add a Using.