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Hi all,
when adding a new connection string to the web.config file from code file. the following error is occurred. how to rectify this problem.Code is as follows.
System.Configuration.Configuration configuration = WebConfigurationManager.OpenWebConfiguration("~");
        //        AppSettingsSection appSettingsSection = (AppSettingsSection)configuration.GetSection("connectionStrings");
        //        if (appSettingsSection != null)
        //        {
        //            appSettingsSection.ConnectionStrings[key].ConnectionString = value; = "Data Source=" + DbServerName+ ";Initial Catalog=" + DbName+ ";User ID=" + DbUserName + ";Pwd=" +DbUserPass+ "";
        //            configuration.Save();
Posted 14-Nov-12 23:43pm
v3
Comments
Anele Ngqandu at 15-Nov-12 6:04am
   
Show us how do you connect or call your connection string from the code behind file
Narra sreenu at 15-Nov-12 6:36am
   
System.Configuration.Configuration configuration = WebConfigurationManager.OpenWebConfiguration("~");
// AppSettingsSection appSettingsSection = (AppSettingsSection)configuration.GetSection("connectionStrings");
// if (appSettingsSection != null)
// {
// appSettingsSection.ConnectionStrings[key].ConnectionString = value; = "Data Source=" + DbServerName+ ";Initial Catalog=" + DbName+ ";User ID=" + DbUserName + ";Pwd=" +DbUserPass+ "";
// configuration.Save();
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Solution 2

Please go through Write Modify Web.Config Programmatically At Run Time[^] and try to implement the codes given there.
 
It may help.
 
Thanks...

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