888 questions
1
vote
1
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views
Performance Issues with DevExtreme Angular Components (v25.1): Inefficient Hover Class Manipulation on DOM Elements
Angular version: 20
DevExtreme version: 25.1.3
Browser(s) affected: Chrome 120+, Firefox 119+
Platform: Web (no specific framework beyond Angular)
I'm experiencing significant performance bottlenecks ...
- 11
0
votes
0
answers
34
views
Devextreme Charts Vue 2 events not working
I have an app built with ASP.NET Core and Vue 2 and I'm using DevExtreme Charts. The charts are rendering fine, I have no errors inside the console, but I have issue with
Hovering over legend
...
- 153
0
votes
0
answers
63
views
Enabling More DevExpress Charts in Dashboard Toolbox (Common Section) - dx-dashboard-control
I am evaluating with the DevExpress Dashboard for our Reporting and In-app dashboard needs. I am working on a POC right now, usuing dx-dashboard-control and would like to enable additional built-in ...
1
vote
0
answers
106
views
dxSelectBox("instance") is undefined
I have two DevExtreme selection boxes A and B. If the selected option of Box A changes, I'd like to select the first option in box B in certain cases. The javascript of "onvaluechanged" ob ...
- 355
0
votes
0
answers
54
views
React devextreme datagrid lookup column scrolling
i am trying to implement infinite scrolling for datagrid lookup column( i have popup editing) because i have large dataset for this column but i cant seem to figure out how to use scroll event, is ...
- 9
0
votes
1
answer
52
views
Cell edit handler like onCellChange
I use React Devextreame DataGrid to handle change on cell change.
I found many events but I can't to know the column change and the new value after change.
I use batch edeting mode,virtual scrolling ...
0
votes
0
answers
93
views
Type strict DataSources
we are trying to have a very type strict frontend. Devextreme supports generic types for DataSource, however it is not validated at all.
Issue:
In the following example I pass a different generic type ...
- 1,147
3
votes
1
answer
145
views
Why is form.getEditor('CheckInToDate') returning undefined in my DevExpress form with custom templates?
I'm using DevExpress's Form widget to create two date editors: CheckInFromDate and CheckInToDate. I want to enable the second date box (CheckInToDate) only when the first date box (CheckInFromDate) ...
- 31
0
votes
0
answers
51
views
Angular Html Editor - Missing support for <hr>
I'm using dx-html-editor (by DevExtreme) to have a WYSIWYG text editor.
I wish I had the chance to add hr tags to the content but it doesn't seem to be available in the default toolbar
Here's what I ...
- 1
2
votes
0
answers
188
views
How to Optimize DevExtreme DataGrid Performance with 6000+ Records and 160+ Columns in React?
I have implemented a data table using the DevExtreme DataGrid in React. The table has over 6000 records and more than 160 columns. Here's how it works:
Initially, I load only the column names.
Upon ...
- 121
0
votes
0
answers
31
views
How do I inject <dxi-item> into a <dx-accordian> using custom components in angular
I am making a template component and need to be able to inject the dxi-item into a nested dx-accordian. My code is as follow:
mc-component.html:
<div>
<ng-content selection="header&...
- 2,598
1
vote
1
answer
78
views
default treeList and dataGrid delete confirmation buttons
I have problem in customize the localization text for Yes and No default buttons to confirm delete in treeList and DataGrid in devexpress in an asp.net core project. Is there any solution to activate ...
0
votes
1
answer
174
views
How to solve TypeError of getFullYear() function with devextreme Datebox?
Recently, I encountered an issue which the devextreme-react date-box cannot change its value with onValueChanged function, and it returns the below error:
Uncaught TypeError: t.getFullYear is not a ...
- 709
0
votes
1
answer
150
views
How to use a self defined color palette for DevExtreme-Components?
I'm in a project which uses DevExtreme for Angular. We use a metadata json light.json which creates the css-file light.css for the whole project's styling (this is done via the command npx devextreme ...
- 1,950
0
votes
1
answer
280
views
angular, devextreme nested datagrid
I have a problem when trying to create a nested table in Angular using devextreme, and there is not much information about it, how can I make a datagrid nested in another, here is my example which ...
- 1
0
votes
1
answer
69
views
How can I remove Dev Extreme React themes?
I installed Dev Extreme React into my project because I wanted to use their chart component. But now, I'm dealing with a bunch of extra classes that are showing up randomly on elements all over the ...
- 404
0
votes
2
answers
132
views
How to add color to the numberbox
Hi all this is a simple devextreme code blocks.I want to create the numberbox border colour as red.can you help me how to perform that.
import React, { useState } from 'react';
import { NumberBox } ...
- 61
0
votes
0
answers
85
views
How to call Ajax server-side scripts with ajax in devextreme and PHP
i want use DevExtreme tools in my PHP project. But when i use the DevExtreme-PHP-Data example of Devexpress some of the functions don't work.
What I got so far is:
I am using the DevExtreme sample (...
- 19
0
votes
1
answer
63
views
is there any way so that I could able to move my location and comment fields as shown in the figure
sample Image that I want to achiveSo the problem is I'm using devextreme components for my react applications. In building this special page I got struct with a special case in devextreme UI case. I ...
- 25
0
votes
1
answer
241
views
How to Dynamically Detect and Apply bg Color Changes to the Latest Added or Edited Row with Incorrect Data or Empty Cells in a dx-data-grid?
how do we detect and apply bg-color changes to the latest added or edited row if it has wrong data in a cell or has some empty cells in a dx-data-grid for angular ts?
<dx-data-grid
[dataSource]=&...
0
votes
1
answer
131
views
How to use cellTemplate in calendarOptions of devextreme react DateBox?
It appears that the demo on devextreme-react for cellTemplate is just another use of cellRender.
Although it was mentioned that both cellComponent and cellRender are just:
An alias for the ...
- 709
0
votes
1
answer
66
views
How to gen border on the same row of css with different number of elements in 2 groups in and But the border must be evenly spaced on the same row
Because I'm a bit weak in css, I hope everyone can help me
How can the border be uniform on the same row with different numbers of elements in the group?
I want the border of group test 1 and group ...
- 50
1
vote
2
answers
477
views
After upgrading devextreme to version 23.2, a pesudo class is generated everywhere, where I used <dxi-item title="">
<dx-tab-panel #tabPanel style="margin-top: 10px;">
<dxi-item title="{{'header' | translate}}">
...rest of the code
DOM:
<div class="dx-item-content dx-...
- 13
1
vote
0
answers
98
views
DevExtreme started to create unnecessary elements in TreeView
After updating to DevExtreme 23.2 I confronted problem showe on screenshot
And this is what's expected to be seen
For some reason after updating to new version it creates blank expand element though ...
- 143
1
vote
1
answer
142
views
React Uncaught TypeError: Cannot read properties of null in TemplateBase2 Component
I'm encountering an issue in a React application where the TemplateBase2 component is throwing an "Uncaught TypeError: Cannot read properties of null" error. The error specifically points to ...
