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  • Dan Paquette 5 posts 85 karma points
    Nov 08, 2018 @ 23:46
    Dan Paquette
    0

    Cannot perform runtime binding on a null reference when passing Media Picker field into Umbraco.TypedMedia

    I'm getting "Cannot perform runtime binding on a null reference" when the following code is run.

    var mediaItem = Umbraco.TypedMedia(CurrentPage.coverImage).OfType<Image>();

    CurrentPage.coverImage is a Media Picker that returns the image ID.

    That said, when I manually enter the ID:

    var mediaItem = Umbraco.TypedMedia(1101).OfType<Image>();

    Everything works out fine.

    Any thoughts are appreciated, and thanks in advance!

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  • Alex Skrypnyk 6163 posts 24143 karma points MVP 8x admin c-trib
    Nov 11, 2018 @ 19:58
    Alex Skrypnyk
    100

    Hi Dan

    Welcome to our friendly forum!!!

    1) You are not in the spam query anymore

    2) Try this code:

    var mediaItem = Umbraco.TypedMedia(Umbraco.AssignedContentItem.GetPropertyValue<int>("coverImage")).OfType<Image>();

    CurrentPage.coverImage - dynamically typed, try to avoid dynamic types.

    Thanks,

    Alex

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  • Dan Paquette 5 posts 85 karma points
    Nov 12, 2018 @ 14:33
    Dan Paquette
    1

    Thanks for your help!

    I suppose it would've been more helpful to mention I was trying to use it with GetCropUrl.

    This also seemed to work for GetCropUrl:

    coverImage    = Model.Content.GetPropertyValue<IPublishedContent>("coverImage")

    Without needing to use Umbraco.TypedMedia.

    I'm very new to C# and Umbraco, so I'm not sure what the benefits are over one method or the other, but I'm definitely avoiding dynamic types from here on!

    Thanks again!

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