知道如何/何时使用c#、Excel和Selenium处理内存管理?

I recently have been using C# and Selenium to create loops that import data to a websites' search parameters that will give me results that I paste back into an excel sheet (all within visual Studio). I have noticed that as I get through more and more searches (as n++;), the speed of the program steadily decreases, even to what looks like a drop in frame rate for my progress bar I have located at the top of the sheet, which leads me to believe the speed of the program is getting slower. I have also been gathering results after each hour of the program running and it seems that the number of searches my program completes goes down over time. I recently have been using C# and Selenium to c