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

    Previous and Next Button Navigation

    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>    
    
  • Dennis Aaen 4500 posts 18255 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

  • 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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