帮我看看什么问题?

Question

Webconfig配置文件全部代码如下:<?xml version="1.0" encoding="utf-8"?>
<configuration>
 <appSettings>
   <add key="DSN" value="server=localhost;uid=sa;password=abcde;database=test"></add>
</appSettings></configuration>程序中调用如下:string strConnection=ConfigurationSettings.AppSettings("DSN");错误代码如下:
CS0118: 'System.Configuration.ConfigurationSettings.AppSettings' denotes a 'property' where a 'method' was expected
新手,谢了!

Answer 1

<add key="Err_FilePath" value="C:\YFMS_ErrorLog.txt"/>
 Me.Sqlconn = New SqlConnection(ConfigurationSettings.AppSettings("YFMS_Conn"))

Answer 2

<%@ Page Language="C#"%>
<%@ Import Namespace="System.Data"%>
<%@ Import Namespace="System.Data.SqlClient"%>
<%@ Import Namespace="System.Configuration"%>
<%
string strConnection=ConfigurationSettings.AppSettings("DSN");
%>程序文件就上面几行.

Answer 3

string strConnection=ConfigurationSettings.AppSettings["DSN"];