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Editorial Team
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Asked: 2026-06-12T22:12:41+00:00

I have done a windows project in which I have a simple download button

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I have done a windows project in which I have a simple download button which downloads contents from an external web portal. Here I have done with dataaccess class which is used for CRUD operations. Now I need to seperate UI and business logic layer. My UI code looks a bit untidy. So I need to create a BLL. For BLL, can I write the html parsing method (ProcessHtml) and the method which uses httpwebrequest to get html output of webpage(SendHTTPRequest) and the method which uses the html contents to write into a doc file.(WriteToFile). Will it make sense?.Simply
Can I use in BLL the below methods. 

    BLL  
  ProcessHtml()
SendHTTPRequest()
WriteToFile()
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  1. Editorial Team

    The boundaries of the layers here are too thin, and it depends on how you would like to code you project.

    What I would do, in this case, is introduce some: BridgeLayer, which transforms UI data, to the format suitable for storing/retriving informaiton from some store. In that layer I would push HtmlAgilityPack.

    If you’re familiar with MVVM design, in other words it would be ModelView layer: something that knows how to make talk UI with data, considering that the format of them could be completely different.

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