https://systemlibrary.github.io/systemlibrary-common-framework/SystemLibrary.Common.Framework.App.CacheDuration.html
CacheDuration
https://learn.microsoft.com/en-us/dotnet/api/system.web.ui.webcontrols.sqldatasource.cacheduration?view=netframework-4.8
SqlDataSource.CacheDuration Property (System.Web.UI.WebControls) | Microsoft Learn
Gets or sets the length of time, in seconds, that the data source control caches data that is retrieved by the Select(DataSourceSelectArguments) method.
property systemweb uimicrosoftlearn