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  • Josip 187 posts 652 karma points c-trib
    Apr 23, 2019 @ 11:59
    Josip
    0

    Clear cache on language switch

    I have multilingual website and i cache some of my partial views, how can i clear this cache when someone change the language of the website?

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  • Dave Woestenborghs 3325 posts 11170 karma points MVP 5x admin c-trib
    Apr 25, 2019 @ 06:54
    Dave Woestenborghs
    0

    Hi Josip,

    I think it's better to cache your partial per language. If you clear cache when a visitor changes the language caching doesn't have much use. Especially when you have a very busy site.

    If you are pages have a different url per language caching the partial by page should be enough. Otherwise you can pass extra data (eg language) to the cached partial method.

    https://our.umbraco.com/documentation/Reference/Templating/Mvc/partial-views#caching

    Dave

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  • Josip 187 posts 652 karma points c-trib
    Apr 25, 2019 @ 11:05
    Josip
    0

    Hi Dave ,

    I read the documentation but I do not understand it again if you can give me example i would be grateful. (My pages have diferent url for every language)

    This is my partial now:

    @Html.CachedPartial("Partials/HomePartials/_CategoriesSection", Model, 3600)
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  • Dave Woestenborghs 3325 posts 11170 karma points MVP 5x admin c-trib
    Apr 25, 2019 @ 11:26
    Dave Woestenborghs
    0

    Hi Josip,

    You can just do this :

    @Html.CachedPartial("Partials/HomePartials/_CategoriesSection", Model, 3600, true)

    And then your partial will be cached per page.

    Dave

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  • Josip 187 posts 652 karma points c-trib
    Apr 25, 2019 @ 11:30
    Josip
    0

    Unfortunately, I tried it but when I switch from English to German I still see the English version.

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  • Dave Woestenborghs 3325 posts 11170 karma points MVP 5x admin c-trib
    Apr 25, 2019 @ 11:47
    Dave Woestenborghs
    0

    This should work. Maybe you should restart your website to make sure you have a empty cache.

    Dave

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  • Josip 187 posts 652 karma points c-trib
    Apr 25, 2019 @ 11:55
    Josip
    0

    Yeap I did it, updated clientDependency version, rebuild, new browser...but still same

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  • Dave Woestenborghs 3325 posts 11170 karma points MVP 5x admin c-trib
    Apr 25, 2019 @ 11:56
    Dave Woestenborghs
    0

    Hmm.

    Is the page the same content item for the different languages (but with different urls)

    Or is it 2 seperate content items ?

    Dave

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  • Josip 187 posts 652 karma points c-trib
    Apr 25, 2019 @ 12:04
    Josip
    0

    Its same content item for different languages. I am using language variants so i have child node with name on English and on German

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  • Dave Woestenborghs 3325 posts 11170 karma points MVP 5x admin c-trib
    Apr 25, 2019 @ 13:42
    Dave Woestenborghs
    100

    Hi Josip,

    I never use the cached partial. But I maybe extending the call so you can build your own cache key does the trick : 

    @Html.CachedPartial(""Partials/HomePartials/_CategoriesSection", Model, 3600, true, false, null , (model, viewData) =>  Model.GetCulture().Culture )

    Dave

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  • Josip 187 posts 652 karma points c-trib
    Apr 25, 2019 @ 19:14
    Josip
    0

    Dave , thanks a lot, that worked.

    Can i ask why you never use cached partial?

    I use it for for listing my members under specific category.

    BR

    Josip

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  • Dave Woestenborghs 3325 posts 11170 karma points MVP 5x admin c-trib
    Apr 26, 2019 @ 06:28
    Dave Woestenborghs
    0

    Hi Josip,

    I do all my rendering using Surface controllers. I use donut output caching to cache the response of my actions.

    So I do it a different level.

    Also the things that slow down rendering is quering your content, or in you case members. So I always try to optimize that.

    As a last resort I will cache the result of my query.

    So I try to avoid caching as much as possible. Because one of the hardest things in programming is cache invalidation.

    Dave

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  • Josip 187 posts 652 karma points c-trib
    Apr 26, 2019 @ 11:42
    Josip
    0

    Hi Dave,

    Thanks for clarifying things for me. I will investigate about donut caching :)

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