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1 answer
568 views

Sorry if this has been asked before but how can I show a mandatory indicator (a red *) after Title for each mandatory field in popup edit mode? 

Thanks

Kevin

Marin Bratanov
Telerik team
 answered on 12 Nov 2020
7 answers
2.3K+ views

When an item is selected, I want to clear the selection state so that the item isn't indicated as selected.
Note: I do not want to have a default item.

How do accomplish this?

 

Marin Bratanov
Telerik team
 answered on 12 Nov 2020
2 answers
1.2K+ views

Hi there,

We were wondering if it is currently possible to hide a column (Visible = false) but still show it when the user edits the row.
We would not like to show all the columns in the grid but still allow the user to edit some of them.
Currently, when GridColumn.Visible is set to false, the field will not show up in the edit dialog.

Kind regards,
Davin

Kevin
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Rank 1
Veteran
 answered on 12 Nov 2020
1 answer
598 views

Documentation suggest a lamba expression in ValueChanged event because it's requiered by framewoek, but for me this sentences are equivalent:

from the handler: @result
<br />
from model: @theTbValue
<br />
 
<TelerikTextBox ValueChanged="@( (string s) => MyValueChangeHandler(s) )" Value="@theTbValue"></TelerikTextBox>
 
<TelerikTextBox ValueChanged="@MyValueChangeHandler" Value="@theTbValue"></TelerikTextBox>
 
@code {
    string result;
 
    public string theTbValue { get; set; } = "lorem ipsum";
 
    private void MyValueChangeHandler (string theUserInput)
    {
        result = string.Format("The user entered: {0}", theUserInput);
 
        //you have to update the model manually because handling the ValueChanged event does not let you use @bind-Value
        theTbValue = theUserInput;
    }
}

 

Kristian
Telerik team
 answered on 11 Nov 2020
1 answer
102 views

Hi, it is possible to apply a column filter only to root level (not on childs) ?

Thank you

Svetoslav Dimitrov
Telerik team
 answered on 11 Nov 2020
1 answer
1.1K+ views

With this code 

<TelerikLoader @bind-Visible="isLoading" />

 

return this error: Object of type 'Telerik.Blazor.Components.TelerikLoader' does not have a property matching the name 'VisibleChanged'.

 

I only wan't show the loader when isLoading it's true.

Svetoslav Dimitrov
Telerik team
 answered on 11 Nov 2020
1 answer
903 views
now it is not possible, at least in FF
Marin Bratanov
Telerik team
 answered on 11 Nov 2020
1 answer
97 views

Hi,

I use ObservableCollection and if I delete an item at the root level this chages is reflect to treelist, but if I delete a child item, I need to close and reopen level to see the changes. Is this normal? How can force the item to update?

Thank you

Andrea
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Rank 1
Veteran
 answered on 10 Nov 2020
1 answer
815 views

Hello,

I was wondering if it is possible to add a column chooser button to the GridToolbar.

Now it's only possible to have a column chooser in the ColumnMenu and then it's in every column.

Example here: https://ibb.co/F3TndK2

Svetoslav Dimitrov
Telerik team
 answered on 10 Nov 2020
2 answers
227 views

Hello Team,

 

Could you please suggest how to remove the 'No Data' text in Dropdown without javascript or Jquery and also please see the attachment.

Kristian
Telerik team
 answered on 09 Nov 2020
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