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  • Steve 472 posts 1216 karma points
    Jan 11, 2016 @ 17:27
    Steve
    0

    Previous and Next Button Navigation

    Razor
    Umbraco 6

    I have some previous and next buttons, but when I try to add some conditionals to them the script does't load anymore. I also would like to have it check for previous and next siblings, in case one of them is not visible (umbracoNaviHide).

    Here is my inline macro from the template:

    <umbraco:Macro runat="server" language="cshtml">
    <div class="prevNextWrap">
        @{
        if (@Model.Previous().Where("Visible && NodeTypeAlias == \"TwoColumnAdmissionsLeftNav\" || NodeTypeAlias == \"OneColumnAdmissions\"")){
                <a class="prevNext" href="@Model.Previous().Url">Previous</a>
            }
         if (@Model.Next().Where("Visible && NodeTypeAlias == \"TwoColumnAdmissionsLeftNav\" || NodeTypeAlias == \"OneColumnAdmissions\"")){
                <a class="prevNext" href="@Model.Next().Url">Next</a>
            }
    }
    </div>
</umbraco:Macro>
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  • Dennis Aaen 4499 posts 18254 karma points admin hq c-trib
    Jan 11, 2016 @ 18:03
    Dennis Aaen
    0

    Hi Steve,

    To check there is a next and previous node you could use 

    @Model.Next() != null 
@Model.Previous() != null

    Could you try the code snippet below and see if it solve your issue. 

    <umbraco:Macro runat="server" language="cshtml">
    <div class="prevNextWrap">
        @{
        if (@Model.Previous().Where("Visible && NodeTypeAlias == \"TwoColumnAdmissionsLeftNav\" || NodeTypeAlias == \"OneColumnAdmissions\"")){
                @if(Model.Previous() != null){
                    <a class="prevNext" href="@Model.Previous().Url">Previous</a>
                }
            }
         if (@Model.Next().Where("Visible && NodeTypeAlias == \"TwoColumnAdmissionsLeftNav\" || NodeTypeAlias == \"OneColumnAdmissions\"")){
                @if(Model.Next() != null){
                    <<a class="prevNext" href="@Model.Next().Url">Next</a>
                }


            }
    }
    </div>
</umbraco:Macro>

    Hope this helps,

    /Dennis

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  • Steve 472 posts 1216 karma points
    Jan 11, 2016 @ 19:37
    Steve
    0

    Sorry Dennis, but this doesn't load. I'll keep trying different syntax.

    EDIT: It seems that the error happens when the navigation gets to the first or ending node in the group.

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