/// <summary> /// Reads Connection Strings from Web.config or App.config. /// </summary> public static void ReadFromConfiguration() { if (ConfigurationManager.ConnectionStrings != null && ConfigurationManager.ConnectionStrings.Count > 0) { for (int index = 0; index < ConfigurationManager.ConnectionStrings.Count; index++) { var connString = ConfigurationManager.ConnectionStrings[index]; ConnectionStrings.AddOrUpdate(connString.Name, connString.ConnectionString, (oldString, newString) => newString); DbProviderFactory provider = GetProviderFactory(connString.ProviderName); DbProviders.AddOrUpdate(connString.Name, provider, (name, oldProvider) => provider); } } }