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  • Muhammad Adeel 19 posts 109 karma points
    Apr 21, 2016 @ 09:32
    Muhammad Adeel
    0

    Null reference error on getting value of Document type fields

    I have just installed version 7.4.3 and installed Ublogsy on it , After the installation i just published the site . the home page works fine but when i try to preview the blog "Test Title" from the sample added by umbraco ublogsy installation, i get the following error. I have not changed any code from templates or partials. screenshots are Error Message

    my content page looks like :

    Content Preview

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  • Bo Damgaard Mortensen 719 posts 1207 karma points
    Apr 21, 2016 @ 09:48
    Bo Damgaard Mortensen
    0

    Hi Muhammad,

    Could it be that your uBlogsyAuthorName haven't got a value? If that's the case, you're calling .Trim() in a null object which throws the null pointer exception you're getting.

    Perhaps try use this, which checks if the property actually has got a value, before attempting to use it: 

    string name = a.HasValue("uBlogsyAuthorName") ? a.GetPropertyValue<string>("uBlogsyAuthorName").Trim() : string.Empty;

    Hope that helps. If not, please let me know :-)

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  • Muhammad Adeel 19 posts 109 karma points
    Apr 21, 2016 @ 10:31
    Muhammad Adeel
    0

    as you can see in second screen shot i have created an author by the name "Adeel". i also double checked it. Yeah i know this will ressolve my error for the time being but why its not picking up the author name?

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  • Bo Damgaard Mortensen 719 posts 1207 karma points
    Apr 21, 2016 @ 10:38
    Bo Damgaard Mortensen
    0

    Hi Muhammad,

    Yes, I'm aware that the author node is created, but still, does the property "uBlogsyAuthorName" have a value? :-)

    And further: have you selected Adeel as the author of the post you're viewing?

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  • Muhammad Adeel 19 posts 109 karma points
    Apr 21, 2016 @ 10:58
    Muhammad Adeel
    0

    Yes sir i have entered the uBlogsyAuthorName value. actually "Author Name" is the Name of the field, On mouse hover i get the alias.AuthorName

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  • Bo Damgaard Mortensen 719 posts 1207 karma points
    Apr 21, 2016 @ 20:14
    Bo Damgaard Mortensen
    100

    Hi Muhammad,

    I've now installed uBlogsy on a fresh Umbraco 7.4.3 and can definitely reproduce the exception that you're facing.

    The exception is thrown on the method GetPropertyValue<T>(string propertyTypeAlias) simply because a reference is missing.

    This is fixed by added the following references:

    @using Umbraco.Core.Models
@using Umbraco.Web

    to the following views:

    uBlogsyPostListAuthors.cshtml
uBlogsyWidgetListAuthors.cshtml

    This should fix the issue :-)

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  • Muhammad Adeel 19 posts 109 karma points
    Apr 22, 2016 @ 09:17
    Muhammad Adeel
    0

    thanks mate!!!

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  • Nicholas Westby 2054 posts 7104 karma points c-trib
    Apr 21, 2016 @ 20:28
    Nicholas Westby
    0

    I have used uBlogsy before and it caused some very annoying issues (most especially with uCommentsy). It also hasn't been updated in over a year. Have you considered Articulate?: https://our.umbraco.org/projects/starter-kits/articulate/

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