c# - Cannot resolve DataType MyApp.Model.Paper -

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i'm trying bind class template.

<usercontrol     x:class="myapp.controls.paperselectcontrol"     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     xmlns:local="using:myapp.controls"     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"     mc:ignorable="d"     d:designheight="300"     d:designwidth="400">      <grid>         <scrollviewer>             <gridview x:name="papergrid"                        itemssource="{x:bind papers}"                       width="400" height="300" >                 <gridview.itemtemplate >                     <datatemplate x:datatype="myapp.model.paper" >                         <textblock text="{x:bind color}"/>                     </datatemplate>                 </gridview.itemtemplate>             </gridview>         </scrollviewer>     </grid> </usercontrol>

the myapp.model.paper class namespace. 

namespace myapp.model {     public class paper {         public string name { get; set; }         public string color { get; set; }         public string thumb { get; set; }     } }

but

cannot resolve datatype myapp.model.paper

error

i hope can me resolve issue. thank you.

as far known cannot set x:datatype markup namespace.class format. accessing own custom types can map xaml namespace, mapping made defining xmlns prefix. example, xmlns:mytypes defines new xaml namespace accessed prefixing usages token mytypes:.

so please add mapping xmlns:model="using:myapp.model" header markup list. , updated xaml code x:datatype follows: <datatemplate x:datatype="model:paper" >, build project work.

more details please reference mapping custom types xaml namespaces , prefixes.


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