在.Net Framework的system.Web.Configuration命名空間下有新的類別：WebconfigurationmManager可用於存取Web.config設定檔的所有內容 Web.config檔中的每個區段都繼承自configurationSection 類別，且每個區段對應的類別名稱就是該區段名加上section。例如：ConnectionStringsSection 類別就對應到web.config 設定檔的<ConnectionStrings> 區段 若要取得下列區段內容
c#語法如下 
//將cnSection 明確的轉型為 ConnectionStringsSection型別
ConnectionStringsSection cnSection = (ConnectionStringsSection)WebConfigurationManager.GetWebApplicationSection("connectionStrings");
string NWind = cnSection.ConnectionStrings["Northwind"].ConnectionString;
//string NWind = WebConfigurationManager.ConnectionStrings["Northwind"].ConnectionString;
        Response.Write(NWind);
vb 語法如下 
Dim cnect As ConnectionStringsSection = WebConfigurationManager.GetWebApplicationSection("connectionStrings")
Dim NWind As String = cnect.ConnectionStrings("Northwind").ConnectionString
'Dim NWind As String = WebConfigurationManager.ConnectionStrings("Northwind").ConnectionString
Response.Write(NWind)
參考線上說明

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