[UWP] [C#]加载Combobox UWP [英] [UWP][C#]Load Combobox UWP
问题描述
我尝试使用azure作为后端开发移动应用。
UWP编程和Azure新手!
我能够加载除"类别"之外的所有内容字段
'代码
items = await WebSites.OrderBy(WebSites => WebSites.Category).ToCollectionAsync();
foreach(项目中的var项目)
{
                    CboCategory.Items.Add(item.Category);
}
错误消息说明电话不正确!
网站就是桌子! 我怎样才能获得所有"类别"不是空的,也加载不同的值
感谢任何帮助
Robert A
11Robert,
请尝试以下代码。
< pre class ="prettyprint"> var items = WebSites.Where(e => e.Category!= null)
  ;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP; 。选择(e => new {Category = e.Category})
.Distinct()
&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP;&NBSP; .OrderBy(e => e.Category)
.ToList();
我希望它可以帮助您解决问题。
最好的问候,
Jerry
I trying to develop a mobile app with azure as backend.
New to UWP programming and Azure!
I am able to load everything except the "Category" field
'Code
items = await WebSites.OrderBy(WebSites => WebSites.Category).ToCollectionAsync();
foreach (var item in items)
{
CboCategory.Items.Add(item.Category);
}
Error message states bad call!
WebSites is table! How can I get all the "Categories" that are not Null and also load distinct value
Appreciate any help
Robert A
Hi 11Robert,
please try the bellow code.
var items = WebSites.Where(e => e.Category != null)
.Select(e => new { Category = e.Category })
.Distinct()
.OrderBy(e => e.Category)
.ToList();I Hope it can help you to solve your problem.
Best Regards,
Jerry
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