修改Web配置文件中的连接字符串后，无法登录到系统. [英] cannot log to the system after modifing the connection string in the web config file.

问题描述

foreach (var cString in conectionstring)
{
   conectionString = cString;
   Configuration openWebConfiguration =WebConfigurationManager.OpenWebConfiguration("~");
   ConnectionStringsSection sections = openWebConfiguration.GetSection("connectionStrings") as ConnectionStringsSection;

   if (sections != null)
       {                              
       sections.ConnectionStrings["GihanBConnectionString"].ConnectionString = conectionString;
       ConfigurationManager.RefreshSection("connectionStrings");
       openWebConfiguration.Save();
       //Page.Response.Redirect(Page.Request.Url.ToString(), false); 
       //Response.Redirect(Request.Url.ToString()); 
       }
}

朋友，
我已经使用此代码在运行时更改了我的连接字符串.它的工作原理.但是问题是，在修改之后，我无法进入系统.可以这样做吗?

我的目的是在运行时为我的asp.net Web应用程序选择数据库.(一个Web应用程序的多个数据库).如果有人可以帮助我，那么这对我非常有用.
谢谢.

hi friends,
i have used this code to change my connection string at run time.its working.but the problem is,after modify, i cannot enter to the system.is it possible to do?

my purpose is to select database at run time for my asp.net web application.(multiple database for a web application).if some one can help me for this it will great for me.
thank you.

推荐答案

请参见以下链接:
http://forums.asp.net/p/1364021/2829515.aspx [ ^ ]

http://csharpdotnetfreak.blogspot.com/2011/12/write-modify-webconfig- programmatically.html [ ^ ]

See below links:
http://forums.asp.net/p/1364021/2829515.aspx[^]

http://csharpdotnetfreak.blogspot.com/2011/12/write-modify-webconfig-programmatically.html[^]

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