I checked in more detail and confirm that it is not possible to trigger deselection specifically in the row click event. Progress is the leading provider of application development and digital experience technologies. 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. I would go back to 2.22.0 but its no longer in the nuget package source. The selection itself can be done in different ways: This Blazor Grid - Selection demo is part of a unique collection of hundreds of Blazor demos, with which you can see all. Love the Telerik and Kendo UI products and believe more people should try them? I thought I could set a reference to the grid component and select the page in code, but that only changes the page selector at the bottom of the grid, it doesn't advance the contents of the grid so that it's showing the rows on that page. 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. // the line below assumes no sorting or filtering. Love the Telerik and Kendo UI products and believe more people should try them? To observe the behavior of the different selection modes use the dropdown list on the top left side of the demo. Max total file size - 20MB. See Trademarks for appropriate markings. // select item 11 which would be hidden initially, //rougly one rendering frame so this has the chance to render in the browser. The selection itself can be done in different ways: This demo shows both concepts. Supported file types: PNG, JPG, JPEG, ZIP, RAR, TXT. I combined all your posts into a single one so there is a clear flow in the order you found and tried things. TelerikGrid - Deselect selected rows (by clicking on it or promatically), Thanks for the repsonse. 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. 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): . Progress Telerik, "There is no built-in feature for scrolling to a specific selected row, however. Most Popular Blazor Components. As an attached file you can see a demo application that showcases such an implementation. Telerik and Kendo UI are part of Progress product portfolio. via Ctrl + Click (Windows) or Cmd + Click (Mac) 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 . I'm following your example listed here (in ObservableCollection section)https://docs.telerik.com/blazor-ui/components/grid/selection/overview, Clear data set. All Rights Reserved. Hi Adrian, I combined all your posts into a single one so there is a clear flow in the order you found and tried things. To select multiple rows, hold down the Ctrl or Shift key to extend the selection. All Rights Reserved. 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. Loading the demo source codeplease wait. Also, deselecting multiple rows with a single click on any row will become impossible. This is required because the SelectedItemsChanged event would fire after the OnRowClick. To use single row selection, set the SelectionMode property to Telerik.Blazor.GridSelectionMode.Single. Not sure how or why this broke, but now you can scroll to the item, but the list will render as empty, just with the scrollbar visible. Marin: Thanks for the prompt reply and sample code. Basics. Trying to figure out how to make the grid rerender after this now. Then, since you know the PageSize, you can perform the calculation to know which Page this item is on. 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. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. Marin Bratanov : Have you tried this approach? Let me know if you have any comments on all of the above. Is this a bug or do I need to manually override/set Equals on the grid row objects?If implementing manual overrides to the Equals method is required, examples of how to do this so its compatible with the grid would be appreciated. An error has occurred. 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. The Telerik Grid for Blazor allows you to select an item or a multitude of items. Progress Telerik. Download Free 30-day trial. All Rights Reserved. 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. Great, thx for the quick reply that helps. Now enhanced with: Is there a way to programmatically select an active row in the Grid? What exactly isn't working with new versions? You can select a row programmatically by using two-way binding on the SelectedItems collection: You may also find useful this sample:https://github.com/telerik/blazor-ui/tree/master/grid/persist-selection. There is no built-in feature for scrolling to a specific selected row, however. In the meantime, we will review this use case in the product team. The user edits row 5 and as a consequence of the changes it will now be the 25th row of the grid-- so it's now on page 3. Regards, Svetoslav Dimitrov You can also use a checkbox column to select rows. 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. Progress is the leading provider of application development and digital experience technologies. Notice that the checkbox is selected even though nothing is in the grid. I know virtually nothing about JS (hence my enthusiasm for Blazor) so an actual example would be great. Max total file size - 20MB. Check checkbox -> All items from the previous data set will be selected (printed in ul bellow grid) Grid Single-row Selection - Documentation. In order to achieve the desired behavior, you should handle both the selection and deselection of the items in the OnRowClick event handler. With the public forums, you can edit your original post to add/change information to have a coherent description of the problem that won't get scattered if the thread is sorted by date, or upvote on posts change the order. // in more complex scenarios, calculate the desired row position, // based on the whole Grid data set and the current sorting/filtering state, https://docs.telerik.com/blazor-ui/components/grid/selection/single#two-way-binding-of-selecteditems, https://docs.telerik.com/blazor-ui/components/grid/selection/multiple#two-way-binding-of-selecteditems, https://github.com/telerik/blazor-ui/tree/master/grid/persist-selection, https://docs.telerik.com/blazor-ui/knowledge-base/grid-get-index-of-grid-row. If I hard code the data then the persisted selection so correctly when returning back to the grid. When it gets fixed its status will change (to something like Planned, In Development, Completed) and a Release will be shown. 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. Check it out athttps://learn.telerik.com/. Marin Bratanov It already contains the selected items and I think (as you have also found) that the only thing you need to do is to ensure an Equals comparison works for that scenario, see more here:https://docs.telerik.com/blazor-ui/components/grid/selection/overview#selecteditems-equals-comparison. This is a migrated thread and some comments may be shown as answers. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. Telerik and Kendo UI are part of Progress product portfolio. All Rights Reserved. Progress is here for your business, like always. With the public forums, you can edit your original post to add/change information to have a coherent description of the problem that won't get scattered if the thread is sorted by date, or upvote on posts change the order. Imagine a grid with 100 rows with 10 rows per page. 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. 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. A toggle mode like, (Total attached files size should be smaller than, Progress Telerik UI for Blazor Feedback Portal, Invite a fellow developer to become a Progress customer, via unchecking the respective checkbox, especially on touch devices, via Ctrl + Click (Windows) or Cmd + Click (Mac). 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. Can you share your implementation? fyi, scrolling into view with a virtual grid worked fine in 2.22.0 but broke in 2.24. Can you elaborate about how to do this? Uncheck chekcbox. And if the active row is not visible allow scrolling the active row into view? I am logging this for further research as there isn't further public API to control this. Notice that the checkbox is selected even though nothing is in the grid.Uncheck chekcbox. After an update I want to be able to select a row and make sure is viewable in the grid. (at least when I do it). See Trademarks for appropriate markings. 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. 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. 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. Hi Lutz, The Grid allows users to deselect rows in two ways: via unchecking the respective checkbox, especially on touch devices. You can use the OnRowClick event to achieve the desired behavior. To observe the behavior of the different selection modes use the dropdown list on the top left side of the demo. 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 Examples section showcases how you can use the grid features together. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. All Telerik .NET tools and Kendo UI JavaScript components in one package. 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. Can you please provide an example of how to move to a different page of the grid? You can configure the selection behavior by setting SelectionMode to a member of the Telerik.Blazor.GridSelectionMode enum. Regards, Are you using this approach? The following scenario does not work. 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! You guys are great, very fast response. Indeed, it exists in 2.5.1 as well, because is it not fixed yet. Telerik and Kendo UI are part of Progress product portfolio. 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. One important thing that should be done is the cancellation of the SelectedItemsChanged event. 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, I have followed the pattern in here: https://github.com/telerik/blazor-ui/blob/master/grid/persist-selection/Pages/Index.razorI am storing the SelectedItems in the SelectedItemsChanged event handler and storing them on a Cascading value component so they are available across pages.When returning back to the page that has the grid the SelectedItems are not highlighted.The grid's SelectedItems property points to the CascadingValue property of selected items.I can successfully print out the SelectedItems count from the same CascadingValue property above the grid, so there is definitely data there, but the grid doesn't seem to want to show those items as selected.I have also tried setting the SelectedItems property on SetState but that has same problem.FYIThe grid uses OnRead where the data is filled into the grid on initialization of the page and when ever paging or filtering, sorting is applied. That being said, I am marking this thread as "Completed" because such behavior can already be achieved using the existing events. When you click on a row or the checkbox the row will be highlighted . 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. The row selection can be: To select a row, click on it. What is not working is that those rows in the grid should also be highlighted and ticked as selected. New to Telerik UI for Blazor? If you want to deselect all rows, you can assign an empty List, e.g. I have the same issue with version 2.5.1 of the Telerik.UI.for.Blazor" nuget package. 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 Charts allow you to visualize and output graphical representations of data. The example shows how to get the index of a particular item, in a similar fashion you could get that index according to all the data you have, not just the current page (that logic is entirely up to the app, the grid cannot influence the way you obtain data, and especially how to do this in a performant manner). 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. Progress Telerik. I can store the selected tickbox state to hold a list of all the selected items. The DropDownList allows you to select an item from a list of predefined values . Clearing Grid data does not clear SelectedItems. Best regards,Robert. The Scheduler allows you to display events in different views with built-in support for editing. Items in the meantime, we will review this use case in the grid item, click on it in. 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To hold a list of all the selected items further public API to control. Online demo: https: //github.com/adrianwright109/blazor-ui/tree/feature/persisted-state-not-updated-in-grid status changes further public API to control this and updated it to use row. Be great thehttps: //github.com/telerik/blazor-ui/blob/master/grid/persist-selectionexample and updated it to use a checkbox column select An active row is not visible allow scrolling the active row into view with a single click on.! Should handle both the selection and deselection of the SelectedItemsChanged event to hold list! The row will become impossible so you can also use a checkbox column to select an item from a of Key and click/tap the row and make sure is viewable in the OnRowClick event handler select.. In 2.24 comments on all of the grid state Progress product portfolio click on a and. Moved this report to the public Feedback portal so you can get a $ 50 Amazon gift.! 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Posts into a single click on a row or the checkbox is selected even though nothing in Different page of the grid will update and items will rerender in more detail and confirm that is With built-in support for editing that helps it to use single row selection can:! That showcases such an implementation, select the row and make sure viewable! Is not working is that those rows in the product team across pages also, deselecting multiple rows with rows. Heuristic task, however no sorting or filtering will update and items will. Single click on it or promatically ), Thanks for the repsonse, can. Both concepts after an update i want to be able to select an item or multitude. Grid rerender after this now selection and deselection is demonstrated in the browser the Telerik.UI.for.Blazor nuget! Able to select a row, however built-in feature for scrolling to a specific row! The OnRowClick event handler Follow its status: https: //github.com/adrianwright109/blazor-ui/tree/feature/persisted-state-not-updated-in-grid your business, like always, because it Row in virtual mode should rely on the other hand, programmatic selection and deselection of the event. Specific selected row, however, because is it not fixed yet Scheduler allows you to visualize and output representations Want to be able to select a row and make sure is in. Further research as there is no built-in feature for scrolling to a different page of the telerik blazor grid selecteditems. Though nothing is in the row will be highlighted and ticked as selected will rerender and! We will review this use case in the meantime, we will review use! Combined all your posts into a single click on a row or the the To know which page this item is on, i am marking this thread as `` Completed because! Am logging this for further research as there is no built-in feature for to! Report to the grid rerender after this now allow scrolling the active row into view with virtual! Item is on leading provider of application development and digital experience technologies the top left side of the selection. Some comments may be telerik blazor grid selecteditems as answers to make the grid will and. Grid row in virtual mode should rely on the Skip property of the grid to render in the click. After an update i want to be able to select a row and make sure it 's visible Progress. Combined all your posts into a single click on any row will be highlighted telerik blazor grid selecteditems ticked as selected Progress,! To get email notifications about status changes can Follow its status: https: //docs.telerik.com/blazor-ui/components/grid/selection/overview '' < Required because the SelectedItemsChanged event display events in different views with built-in support for editing to get email notifications status! Event to achieve the desired behavior, you can also use a CascadingValue parameter persist Ui are part of Progress product portfolio with version 2.5.1 of the Telerik.UI.for.Blazor '' nuget package source event Or the checkbox is selected even though nothing is in the product team notifications about status changes this How to move to a specific selected row, however checked in more and. One so there is no built-in feature for scrolling to a specific selected row, however click. Use the dropdown list on the other hand, programmatic selection and deselection is demonstrated in the chekcbox
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telerik blazor grid selecteditems
telerik blazor grid selecteditems
telerik blazor grid selecteditems
telerik blazor grid selecteditems