telerik blazor grid selecteditemsaims and objectives lab report

Trying to figure out how to make the grid rerender after this now. I'm following your example listed here (in ObservableCollection section)https://docs.telerik.com/blazor-ui/components/grid/selection/overview, Clear data set. Can you share your implementation? Progress Telerik. TelerikGrid - Deselect selected rows (by clicking on it or promatically), Thanks for the repsonse. When it gets fixed its status will change (to something like Planned, In Development, Completed) and a Release will be shown. Invite a fellow developer to become a Progress customer and each of you can get a $50 Amazon gift voucher. Most Popular Blazor Components. // select item 11 which would be hidden initially, //rougly one rendering frame so this has the chance to render in the browser. The CascadingValue is working to persist state across pages as can be seen from the animated gif below, as the IDs 1 and 3 are shown under the grid after navigating pages. Regards, (at least when I do it). As an attached file you can see a demo application that showcases such an implementation. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. With the keyboard support that we introduced in our latest release, the user can also use the up/down arrows to move around the rows, and that will also scroll the grid. Marin: Thanks for the prompt reply and sample code. The Scheduler allows you to display events in different views with built-in support for editing. Telerik and Kendo UI are part of Progress product portfolio. Then, since you know the PageSize, you can perform the calculation to know which Page this item is on. Notice that the checkbox is selected even though nothing is in the grid.Uncheck chekcbox. Progress, Telerik, Ipswitch, Chef, Kemp, Flowmon and certain product names used herein are trademarks or registered trademarks of Progress Software Corporation and/or one of its subsidiaries or affiliates in the U.S. and/or other countries. There is no built-in feature for scrolling to a specific selected row, however. Progress Telerik. To use single row selection, set the SelectionMode property to Telerik.Blazor.GridSelectionMode.Single. If Ctrl + Click will not be intuitive for your users, please consider adding a checkbox column, which will produce the desired ability to unselect a selected row in a straightforward way. Check it out athttps://learn.telerik.com/. Uncheck chekcbox. Progress is the leading provider of application development and digital experience technologies. You can click the Follow button to get email notifications about status changes. To observe the behavior of the different selection modes use the dropdown list on the top left side of the demo. Regards, I can store the selected tickbox state to hold a list of all the selected items. This is required because the SelectedItemsChanged event would fire after the OnRowClick. What is not working is that those rows in the grid should also be highlighted and ticked as selected. Regards, If you are using single selection you could use JS interop to find the row the has the selected state and call its .scrollIntoView() method.". yes - I tried that, but it does not seem to work (the former selected row stays red - might be an issue on doing it in the rowClick event as it might overwrite the selected items later): . An error has occurred. That being said, I am marking this thread as "Completed" because such behavior can already be achieved using the existing events. Love the Telerik and Kendo UI products and believe more people should try them? Progress Telerik. You can use the OnRowClick event to achieve the desired behavior. When you click on a row or the checkbox the row will be highlighted . Grid (simplified) look like this. I combined all your posts into a single one so there is a clear flow in the order you found and tried things. If I navigate away from the grid say to another page and then return back to the grid I would like to be able to render the grid with the rows that were selected so they are shown as still ticked - is this possible? I would go back to 2.22.0 but its no longer in the nuget package source. Progress, Telerik, Ipswitch, Chef, Kemp, Flowmon and certain product names used herein are trademarks or registered trademarks of Progress Software Corporation and/or one of its subsidiaries or affiliates in the U.S. and/or other countries. All Rights Reserved. Check checkbox -> All items from the previous data set will be selected (printed in ul bellow grid)I have inspected the grid and i does not contain any item in its Data collection so I'm unsure from where does it get the selection. Telerik and Kendo UI are part of Progress product portfolio. Marin Bratanov This solves half of my problem; in addition to being able to select the row and scroll it into view I need to select the correct page that the row appears on. See Trademarks for appropriate markings. All Rights Reserved. // the line below assumes no sorting or filtering. Progress Telerik, "There is no built-in feature for scrolling to a specific selected row, however. If you are using single selection you could use JS interop to find the row the has the selected state and call its .scrollIntoView() method. The selection itself can be done in different ways: This demo shows both concepts. Virtual Classroom, the free self-paced technical training that gets you up to speed with Telerik and Kendo UI products quickly just got a fresh new look + new and improved content including a brand new Blazor course! In the meantime, we will review this use case in the product team. Progress is the leading provider of application development and digital experience technologies. Telerik and Kendo UI are part of Progress product portfolio. You can set the Page parameter of the grid to make it go to a different page: You could start with the approach described here: https://docs.telerik.com/blazor-ui/knowledge-base/grid-get-index-of-grid-row. The following scenario does not work. Invite a fellow developer to become a Progress customer and each of you can get a $50 Amazon gift voucher. The Grid allows you to browse, sort and edit tabular data. I have taken thehttps://github.com/telerik/blazor-ui/blob/master/grid/persist-selectionexample and updated it to use a CascadingValue parameter to persist the state across pages. The Telerik Grid for Blazor allows you to select an item or a multitude of items. There doesn't seem to be a way to deselect the selected row either by clicking on a selected row again or by two-way-binding and setting it to an empty list. On the other hand, programmatic selection and deselection is demonstrated in the online demo: https://demos.telerik.com/blazor-ui/grid/selection. This can be found here in this feature branch:https://github.com/adrianwright109/blazor-ui/tree/feature/persisted-state-not-updated-in-grid. Check checkbox -> All items from the previous data set will be selected (printed in ul bellow grid) Marin Bratanov Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. Clearing Grid data does not clear SelectedItems. I need to both select page 3, select the row and make sure it's visible. Let me know if you have any comments on all of the above. I moved this report to the public Feedback portal so you can Follow its status: https://feedback.telerik.com/blazor/1444399-clearing-grid-data-does-not-clear-selecteditems. Now enhanced with: I have a Telerik Blazor Grid which has selection tickboxes that allow multiple tickboxes to be selected at any one time. The Telerik Grid for Blazor allows you to select an item or a multitude of items. I checked in more detail and confirm that it is not possible to trigger deselection specifically in the row click event. Thank you very much. What exactly isn't working with new versions? I am logging this for further research as there isn't further public API to control this. Loading the demo source codeplease wait. Great, thx for the quick reply that helps. Supported file types: PNG, JPG, JPEG, ZIP, RAR, TXT. This is a migrated thread and some comments may be shown as answers. This would be pretty handy as currently the only way that makes sense for me is to make no use of selection mode at all. All Telerik .NET tools and Kendo UI JavaScript components in one package. Marin Bratanov Telerik and Kendo UI are part of Progress product portfolio. Max total file size - 20MB. That said, I would first suggest you look into the Grid State feature to save the current grid settings for your user: https://demos.telerik.com/blazor-ui/grid/persist-state. I think the issue could be that the grid is not seeing the selected items that have been persisted as the same as the ones when returning back to the grid.The data in the grid is re-populated from the database and the object references don't match. Select an item in the grid. Grid (simplified) look like this. Are you using this approach? Here's a sample JS function that expects a CSS selector to find the correct grid, then finds the first selected row and calls its .scrollIntoView() method: and here is a sample way of calling it (see the SelectItem method from the button click): Thanks for the prompt reply and sample code. All Rights Reserved. If you manually scroll a bit, the grid will update and items will rerender. New to Telerik UI for Blazor? Clear data set. https://github.com/telerik/blazor-ui/blob/master/grid/persist-selection, https://github.com/adrianwright109/blazor-ui/tree/feature/persisted-state-not-updated-in-grid, https://demos.telerik.com/blazor-ui/grid/persist-state, https://docs.telerik.com/blazor-ui/components/grid/selection/overview#selecteditems-equals-comparison, Invite a fellow developer to become a Progress customer. Progress is the leading provider of application development and digital experience technologies. After an update I want to be able to select a row and make sure is viewable in the grid. All Telerik .NET tools and Kendo UI JavaScript components in one package. Supported file types: PNG, JPG, JPEG, ZIP, RAR, TXT. Download Free 30-day trial. public IEnumerable SelectedItems { get; set; } = Enumerable.Empty(); The Grid allows users to deselect rows in two ways: If the user should be able to deselect a row via a simple click, this may create inconsistency with other well-known interfaces (such as Windows Explorer or Excel), which don't behave that way.



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