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I have a Blazor DataGrid with couple of Locked columns. I want to add vertical borders only for the other scrollable columns. I have tried the examples in here but no luck Blazor Change Border Color of Grid Columns - Telerik UI for Blazor

I
s there a way to add vertical boarders when there are Locked columns? Thanks
Anislav
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 updated answer on 07 Mar 2025
1 answer
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Hi,

I try to use Telerik.UI.for.Blazor in Docker.

I have added a nuget.config file and also add the corresponding line as explained here

https://docs.telerik.com/aspnet-core/knowledge-base/docker-build-nuget

But when running the docker build command there is this error

"error NU1301: Unable to load the service index for source https://nuget.telerik.com/v3/index.json."

What is wrong ?

Best regards.

Brian
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 answered on 07 Mar 2025
1 answer
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Hello!

i use Entity Framework and my class has over 150 attibutes. So i use AutogenerateColums.

I want overwrite the value with template for example: Inventory.IsFragmented is boolean.

So in the Grid i dont want show true or false. i want text: Ja / Nein.

But my code show only true or false. Have someone an idea how can i do it. Thank you :)

 


<TelerikGrid Data="@GridData" @ref="@Grid" Sortable="true" Reorderable="true" Resizable="true" Pageable="@true" AutoGenerateColumns ="true" ShowColumnMenu="true" FilterMode="@GridFilterMode.FilterMenu" OnRowDoubleClick="@OnRowDoubleClickHandler" SelectionMode="GridSelectionMode.Multiple" > <GridToolBarTemplate> <GridCommandButton OnClick="@AutoFitAllColumns" Icon="@FontIcon.ColResize" Title="Spalten-Autoanpassung" Class="tooltip-target"></GridCommandButton> <GridCommandButton Command="ExcelExport" Icon="@SvgIcon.FileExcel">Export to Excel</GridCommandButton> <GridCommandButton Command="CsvExport" Icon="@SvgIcon.FileCsv">Export to CSV</GridCommandButton> <label class="k-checkbox-label"><TelerikCheckBox @bind-Value="@ExportAllPages" />Alle Seiten exportieren</label> </GridToolBarTemplate> <GridColumns> <GridCheckboxColumn></GridCheckboxColumn> <GridAutoGeneratedColumns ColumnWidth="200px" /> </GridColumn> <GridColumn Field=@nameof(Inventory.IsFragmented)> <Template > @{ var x = context as Inventory; var b = x.IsFragmented == true ? "Ja" : "Nein"; } <p> @(x.IsFragmented ? "Ja" : "Nein")</p> </Template> </GridColumn> <GridColumn Field=@nameof(Inventory.Immobile) Visible="true"> <Template> @{ var x = context as Inventory; if (x.Immobile == true) { <p>Ja</p> } else { <p>Nein</p> } }

<p>NEIN</p> </Template> </GridColumn> </GridColumns> <GridExport> <GridExcelExport FileName="ve-excel-export" AllPages="@ExportAllPages" /> <GridCsvExport FileName="ve-csv-export" AllPages="@ExportAllPages" /> </GridExport> </TelerikGrid>


Anislav
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 updated answer on 06 Mar 2025
1 answer
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Is there a way to load a popover when the component loads?

I want to use it as a notification on new features in the app.

Hristian Stefanov
Telerik team
 answered on 06 Mar 2025
1 answer
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I have some Grids which are fully managed by the TelerikGrid control (as far as sorting, filtering, and pagination goes). These grids use the Data property on the Grid. These TelerikGrids are using the <GridSearchBox />.

I am now building some API-driven grids, which are using the OnRead property. For the API-driven Grids I'm using a TelerikTextBox for searching, instead. I would like this grid to look the same as the managed grids.

Is there any way to make the TelerikTextBox look identical to the GridSearchBox?

I have followed this example to replace the GridSearchBox with a TelerikTextBox, but the appearance is very different.
Blazor Search Grid on Button Click - Telerik UI for Blazor

Thank you

-Adam

Anislav
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 updated answer on 05 Mar 2025
1 answer
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In many cases the header text of columns gets truncated to an ellipses if the columns aren't wide enough.  It would be nice if there was a global way to display a tooltip for each column header that is made up of the header text.  I know that I can do this using the column header template, but that will require that I create a template for every column in all of my grids. I'm looking for a way to have it work globally.

Thanks,

Mike

Anislav
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 updated answer on 05 Mar 2025
2 answers
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Hi,

In the Kendo grid we could drag the cursor over several rows to select them. This is sometimes more convenient that using Ctrl and Shift keys for multiple row selection. Is this possible in the Blazor Grid?

Thanks

Anislav
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 updated answer on 04 Mar 2025
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A DropDownList receives a List of Items and then displays the field I select via Reflection. In the example below that would be the "Text" field. How would I create a localized text in an easy way. I already inject the IStringLocalizer into this component but I cannot pass a method call to the dropdownlist as far as I know. Is there a way to tell Telerik globally to use my Localizer to translate all strings that would be rendered or sth like that? I have several ideas how I could add Localizations but they all seem rather complicated and I would like to know the intended way.

 <TelerikDropDownList Data="@Data"
                                         @bind-Value="@SelectedValue"
                                          TextField="@nameof(MyType.Text)"/>

Tsvetomir
Telerik team
 answered on 04 Mar 2025
2 answers
78 views
Currently I'm using below code that it throws an exception on AWS environment that "Not supported image format."
 using (var stream = Assembly.GetExecutingAssembly().GetManifestResourceStream($"ClaimForms.Server.Shared.Images.{logoFile}.png"))
 {
     ImageSource imageSource = new ImageSource(stream, ImageQuality.High);
     CurrentEditor.DrawImage(imageSource, new Size(162, 42));
 }
Stream is not null and exception coming from ImageSource(). Could someone help me on this?
Dess | Tech Support Engineer, Principal
Telerik team
 answered on 03 Mar 2025
1 answer
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I'm using a collection of tabs to display PDF files. For example, I have two tabs open and the current document is scrolled to about mid document. Now I add a new document in a new tab. The new document and all others will scroll to the same spot as the previously active tab. I'd like to retain the position of documents in any open tabs while having the document in the new tab open to the top of the first page.

If I have multiple tabs open and documents scrolled to various positions they do not change simply switching from tab to tab. The change only occurs when adding a new tab.

 

Anislav
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 updated answer on 28 Feb 2025
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