or
3 answers
61 views
I just want to add drag and drop items in a ListView to reorder them.
I don't think adding any code or files here will help.
1 answer
35 views
I want to have a MultiSelect experience for a field in a ListView editor. I'd like the binding to work with the model's navigation collection instead of an ancillary Id collection.
Take the following example where we have a ListView of Appointments. An Appointment has a collection of Contacts called Attendees that we want to manage on Create and Edit with a MultiSelect.
TelerikMultiSelect doesn't like a bind-value with a collection of objects - it wants Ids. One way to solve this could be to do gymnastics with an extra AttendeeIds collection on the Appointment and synchronize that collection with the navigation entities on read/create/update. Is there a way to avoid the gymnastics and solve this case more directly?
Can you provide an example? Thanks.
<TelerikListView TItem="Appointment"...>
...
<EditTemplate>
<TelerikMultiSelect Data="@Contacts" Placeholder="Select attendees" AutoClose="false"
@bind-Value="@context.Attendees" <-this does not work
TextField="@nameof(Contact.Name)" ValueField="@nameof(Contact.Id)"
DebounceDelay="0" />
</EditTemplate>
...
</TelerikListView>
List<Contact> Contacts {get; set;} =[]; //loaded in oninitializeasync
public class Appointment {
public Guid Id {get; set;}
public List<Contact> Attendees {get; set;}
}
public class Contact {
public Guid Id {get; set;}
public string Name {get; set;}
}
...
Hristian Stefanov
Telerik team
answered
on
18 Dec 2024
0 answers
74 views
Al crear una TelerikListView no me marca error en codigo pero al mostrarlo en la pagina me sale este error
Microsoft.JSInterop.JSException: Could not find 'TelerikBlazor.initListView' ('initListView' was undefined).
Error: Could not find 'TelerikBlazor.initListView' ('initListView' was undefined)
como lo podria solucionar?
Microsoft.JSInterop.JSException: Could not find 'TelerikBlazor.initListView' ('initListView' was undefined).
Error: Could not find 'TelerikBlazor.initListView' ('initListView' was undefined)
como lo podria solucionar?
1 answer
49 views
I tried to figure out how to use different Item Templates within a Listview but I failed.
is it not possible ?
Dimo
Telerik team
answered
on
11 Jul 2024
1 answer
121 views
We are using a TelerikGrid which allows to filter various properties.
One of our properties is a name of Id, which is of Guid type.
Of course when we give a full Guid Id into the filter, the filter works, but as soon as we put a partial Guid value the filter breaks, because as expected, it cannot parse the given value.
Error: System.FormatException: Unrecognized Guid format.
at System.Guid.GuidResult.SetFailure(ParseFailure failureKind)
at System.Guid.TryParseGuid(ReadOnlySpan`1 guidString, GuidResult& result)
at System.Guid..ctor(String g)
We have tried to convert guid value into string and then pass it into the filter, but it expects a Guid data type.
Is there a way to internally let the guid filter know, that he should expect a string value instead of Guid? Filtering after Guid doesn't really make sense, since user will most of the time just type a part of the full guid Id value.
Thank you for assistence!
1 answer
241 views
I have been searching thru the forum and online and cannot figure out how to set the TelerikListView component to display the items in the itemtemplate horizontally. I see there is a ListViewSettings but I can't find any documenation on what to put into the settings.
Hristian Stefanov
Telerik team
answered
on
19 Apr 2024
1 answer
70 views
Hi everyone
When using a translated ListView, the page size selector behaves weird.
When the dropdown is opened, the correct text ("Alle") gets displayed. But when the dropdown is closed, the english text is shown,
Any ideas?
Thanks alot and have a nice day
Dimo
Telerik team
answered
on
07 Mar 2024
1 answer
120 views
Hi,
I couldn't find OnAdd event for Blazor Listview component CRUD operations(like the one available for Grid) .
I would like to initialize certain properties of the model when 'Add' button is clicked, is there any other workaround?
Thanks,
Deepa
Hristian Stefanov
Telerik team
answered
on
14 Feb 2024
1 answer
181 views
In .NET 8, Microsoft will be introducing support for IAsyncEnumerable JSON deserialization (Streaming deserialization APIs). This feature allows for items in a long list to be deserialized as they are streamed to the client from a server, rather than waiting for the entire request to be completed. So it will result in a perceived performance increase. Is there any chance for Progress to look into bringing support for this feature to Telerik Data Source Responses? I can anticipate the data field in the response class makes this a challenging ask. Also, the server-side needs to be able to return yield for async items. I am interested in seeing this feature implemented so the grids in my applications that have many items will begin to be usable sooner.
Dimo
Telerik team
answered
on
19 Sep 2023
0 answers
97 views
I have a ListView with paging, it's in the editortemplate in a gridview. the column is defined as:
<GridColumn Field="Operators" FieldType="@(typeof(int))" Title="Operators" Width="5rem" Visible="true" ShowColumnChooser="true" ShowColumnMenu="true" Lockable="false" Filterable="true" Editable="true">
<EditorTemplate>
<TelerikListView Data=@AssignedOperators
Pageable="true"
PageSize="5"
Context="operators" >
<HeaderTemplate>
Operators
</HeaderTemplate>
<Template>
<div class="k-card k-card-horizontal">
<div class="k-vbox k-flex-grow">
<div class="k-card-body">
<h4 class="k-card-title">@(operators.FirstName + " " + operators.LastName)</h4>
<h5 class="k-card-subtitle">@operators.CompanyName</h5>
@* <div class="card-date">@context.Date.ToString("MMM dd yyyy")</div> *@
</div>
<div class="k-card-actions k-actions-horizontal k-actions-start">
<ListViewCommandButton OnClick="@RemoveOperator" Enabled="true" FillMode="@(ThemeConstants.Button.FillMode.Outline)">Remove</ListViewCommandButton>
</div>
</div>
@* <img class="k-card-image" src="images/articles/@context.ImageUrl" alt="@context.Subtitle" /> *@
</div>
</Template>
</TelerikListView>
</EditorTemplate>
</GridColumn>
