if you need to create a new Global. Asax file to operate & # xff0c; Before have been use & lt; A href & # 61; & # 34; javascript:void(0); & # 34; The class & # 61; & # 34; Caches & # 34; The title & # 61; & # 34; Clear the cache & # 34; Id & # 61; & # 34; A. & # 34;> Clear the cache & lt;/a> To clear the cache manually & # xff0c; But the cache can sometimes cause excessive website of memory so I want to do every once in a while a timer automatically clean up memory