Update app.config system.net setting at runtime

Question

I need to update a setting in the system.net SectionGroup of a .Net exe app.config file at runtime. I don\'t have write access to the original config file at runtime (I am d

Answer 1

with this code i have changed the connection string in the application setting of the config file ... hope this may help u.

string ConStrng = ConfigurationSettings.AppSettings["ConnectionString"];
            string sss = "Data Source=";
            string xxx = ";Initial Catalog=AlfalahScholarship;Integrated Security=True";
            //ConfigurationSettings.AppSetting;
            System.Configuration.Configuration config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
            //Get the appSettings section.
            AppSettingsSection appSettings = (AppSettingsSection)config.GetSection("appSettings");
            appSettings.Settings.Remove("ConnectionString");
            appSettings.Settings.Add("ConnectionString", sss + txtServerName.Text + xxx);

            config.Save(ConfigurationSaveMode.Modified);
            ConfigurationManager.RefreshSection(config.AppSettings.SectionInformation.Name);