--- c# 版本  ------
取得資料庫連結字串 ConnectionString
  SqlDataSource Sql_1 = new SqlDataSource();
  Sql_1.ConnectionString = System.Web.Configuration.WebConfigurationManager.ConnectionStrings["your_DBNameConnectionString"].ConnectionString; 

取得 AppSetting 值
  System.Web.Configuration.WebConfigurationManager.AppSettings["ETC_name"]; 

--- VB 版本  ------
取得資料庫連結字串 ConnectionString
  System.Web.Configuration.WebConfigurationManager.ConnectionStrings("your_DBNameConnectionString").ConnectionString 

取得 AppSetting 值
  System.Web.Configuration.WebConfigurationManager.AppSettings("ETC_name")
  
  
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