Download all PDF files from crawled links

While running code it says that ProductListPage is null and after dropping an error does not proceed forward. Any ideas how to solve this issue? Wait until //div[@class=’productContain padb6′]//div[@class=’large-4 medium-4 columns’]/a is found or something else? Here is my current code: HtmlDocument htmlDoc = new HtmlWeb().Load(“https://example.com/”); HtmlNodeCollection ProductListPage = htmlDoc.DocumentNode.SelectNodes(“//div[@class=’productContain padb6′]//div[@class=’large-4 medium-4 columns’]/a”); foreach (HtmlNode…

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Fetch last 5 mins data and add the column also number the failed output

I need your expert advice to get the below output INPUT 2020-01-08 15:39:39,sharm,07296,97 2020-01-08 15:40:40,SRI,6657,197 2020-01-08 15:42:40,rinku,null,0 2020-01-08 15:42:40,SVRMO,8588,39 2020-01-08 15:44:58,MASTA,093720,48 here, fetch the last 5 min data. Assuming the command is run at 15:45, data from (15:40-15:45) should be selected. 2020-01-08 15:40:40,SRI,6657,197 2020-01-08 15:42:40,rinku,null,0 2020-01-08 15:42:40,SVRMO,8588,39 2020-01-08 15:44:58,MASTA,093720,48 The output should be 284,4,3 Where…

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