Hi there,
In order to create a chat screen I need to adjust kendo chat to be full screen, how can I do that?
https://docs.telerik.com/aspnet-mvc/html-helpers/conversational-ui/chat/getting-started
Thanks
Im getting this error whenever I try to add the Kendo grid into my project. I am using asp .netcore8 razor pages. I have followed the tutorials on how to install Telerik and thought I did so correctly. The working example directly from a Telerik tutorial project doesnt work in mine and produces this error, and I have all of the same Nuget packages, etc. The only difference is I have my setup in the Startup.cs file rather than Program.cs?
Ive attached my files.
Thanks!
Hello,
I need to display multiple ExpansionPanels with nested TreeViews, however I don't find examples of this, and this code is failing with exception:
@(Html.Kendo().ExpansionPanel()
.Title(group.Text)
.Content(@<text>
@(Html.Kendo().TreeView()
.Name("tree" + group.Id)
.CheckboxTemplateId("checkbox-template")
.Checkboxes(true)
.BindTo(group.Items))
</text>)
)
Fails with:
fail: Microsoft.AspNetCore.Server.Kestrel[13]
Connection id "0HN9NPOSEKJS4", Request id "0HN9NPOSEKJS4:00000002": An unhandled exception was thrown by the application.
System.NullReferenceException: Object reference not set to an instance of an object.
at Kendo.Mvc.UI.WidgetBase.VerifySettings()
at Kendo.Mvc.UI.WidgetBase.WriteHtml(TextWriter writer)
at Kendo.Mvc.UI.ExpansionPanel.WriteHtml(TextWriter writer)
at Kendo.Mvc.UI.WidgetBase.RenderHtml(TextWriter writer)
at Kendo.Mvc.UI.WidgetBase.ToHtmlString()
at Kendo.Mvc.UI.Fluent.WidgetBuilderBase`2.ToHtmlString()
at Kendo.Mvc.UI.Fluent.WidgetBuilderBase`2.WriteTo(TextWriter writer, HtmlEncoder encoder)
at Microsoft.AspNetCore.Mvc.ViewFeatures.Buffers.ViewBuffer.WriteToAsync(TextWriter writer, HtmlEncoder encoder)
at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderLayoutAsync(ViewContext context, ViewBufferTextWriter bodyWriter)
at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderLayoutAsync(ViewContext context, ViewBufferTextWriter bodyWriter)
at Microsoft.AspNetCore.Mvc.Razor.RazorView.RenderAsync(ViewContext context)
at Microsoft.AspNetCore.Mvc.ViewFeatures.ViewExecutor.ExecuteAsync(ViewContext viewContext, String contentType, Nullable`1 statusCode)
at Microsoft.AspNetCore.Mvc.ViewFeatures.ViewExecutor.ExecuteAsync(ViewContext viewContext, String contentType, Nullable`1 statusCode)
at Microsoft.AspNetCore.Mvc.ViewFeatures.ViewExecutor.ExecuteAsync(ActionContext actionContext, IView view, ViewDataDictionary viewData, ITempDataDictionary tempData, String contentType, Nullable`1 statusCode)
at Microsoft.AspNetCore.Mvc.ViewFeatures.ViewResultExecutor.ExecuteAsync(ActionContext context, ViewResult result)
at Microsoft.AspNetCore.Mvc.ViewResult.ExecuteResultAsync(ActionContext context)
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextResultFilterAsync>g__Awaited|30_0[TFilter,TFilterAsync](ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Rethrow(ResultExecutedContextSealed context)
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.ResultNext[TFilter,TFilterAsync](State& next, Scope& scope, Object& state, Boolean& isCompleted)
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.InvokeResultFilters()
--- End of stack trace from previous location ---
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextResourceFilter>g__Awaited|25_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Rethrow(ResourceExecutedContextSealed context)
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.InvokeFilterPipelineAsync()
--- End of stack trace from previous location ---
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Logged|17_1(ResourceInvoker invoker)
at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Logged|17_1(ResourceInvoker invoker)
at Microsoft.AspNetCore.Routing.EndpointMiddleware.<Invoke>g__AwaitRequestTask|7_0(Endpoint endpoint, Task requestTask, ILogger logger)
at Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(HttpContext context)
at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context)
at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddlewareImpl.Invoke(HttpContext context)
at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddlewareImpl.Invoke(HttpContext context)
at Microsoft.WebTools.BrowserLink.Net.BrowserLinkMiddleware.InvokeAsync(HttpContext context)
at Microsoft.AspNetCore.Watch.BrowserRefresh.BrowserRefreshMiddleware.InvokeAsync(HttpContext context)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.ProcessRequests[TContext](IHttpApplication`1 application)
Treeview works in itself and if I wrap it in ExpansionPanel raw HTML.
Is there anyway around it?
Thank you.
Hi,
the following template is partially working when used in a grid-row-template.
<grid-row-template>
<div>${data.Name}</div>
#if(data.HasLastName){#
<div>${data.LastName}</div>
#} else {#
<div>some other stuff</div>
#}#
</grid-row-template>
values inside ${ } are properly replaced, however the code inside # # is not executed, it is rendered as text.
What is the proper way to include conditionals in this case?
regards
I need to be able to render a tabstrip with a dynamic number of tabs, and then within each tab a griid to display records that relate to the tab.
Basically it is grouping sets of data into tabs, and then displaying the records from that group in the grid.
The underlying source of the grids is all the same, albeit each one would be showing a different subset of records.
The number of tabs/grids required would be unknown until the data is loaded.
Is this even possible? I have searched but can't find an example doing exactly what I need.
Thanks
Hi,
How to save the layout of the dockmanager ? I need to restore panels in the right place.
Best regards
I can't seem to get the Cascading DropdownList functionality to return the selected value from the parent. I will list what I have and if someone can point out my problem I would appreciate it. The parent loads the selected items correctly, and it calls the child dropdownlist event when a new select is made, but the parameter that should have the selected id is always null.
.cshtml page
<table><tr>
<td>CLIN:</td>
<td>
<kendo-dropdownlist name="ddlCLIN" datatextfield="Title" datavaluefield="ProjectID" >
<datasource type="DataSourceTagHelperType.Custom">
<transport>
<read url="/LogEditor?handler=CLINS" />
</transport>
</datasource>
</kendo-dropdownlist>
</td>
</tr>
<tr>
<td>CLIN Task Type:</td>
<td>
<kendo-dropdownlist name="ddlCLINTaskType" cascade-from="ddlCLIN" datatextfield="Title" datavaluefield="ProjectID">
<datasource type="DataSourceTagHelperType.Custom">
<transport>
<read url="/LogEditor?handler=CLINTaskTypes" />
</transport>
</datasource>
</kendo-dropdownlist>
</td>
</tr></table>
html.cs
public JsonResult OnGetCLINTaskTypes(int? ddlCLIN)