Telerik and Kendo UI are part of Progress product portfolio. If you manually scroll a bit, the grid will update and items will rerender. Trying to figure out how to make the grid rerender after this now. I need to both select page 3, select the row and make sure it's visible. 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. Blazor DataGrid Demos - Selection | Telerik UI for Blazor The DropDownList allows you to select an item from a list of predefined values . See Trademarks for appropriate markings. Download Free 30-day trial. What exactly isn't working with new versions? This is a migrated thread and some comments may be shown as answers. 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 . Check checkbox -> All items from the previous data set will be selected (printed in ul bellow grid) Svetoslav Dimitrov Marin: Thanks for the prompt reply and sample code. 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). The Telerik Grid for Blazor allows you to select an item or a multitude of items. Love the Telerik and Kendo UI products and believe more people should try them? Let me know if you have any comments on all of the above. The following scenario does not work. Max total file size - 20MB. Basics. 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! 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. Progress Telerik. New to Telerik UI for Blazor? See Trademarks for appropriate markings. For multiple row selection that would become a heuristic task, however. Progress is the leading provider of application development and digital experience technologies. The Scheduler allows you to display events in different views with built-in support for editing. 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. Loading the demo source codeplease wait. Programmatic active row selection in UI for Blazor | Telerik Forums Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. The Charts allow you to visualize and output graphical representations of data. Regards, Telerik and Kendo UI are part of Progress product portfolio. Progress is the leading provider of application development and digital experience technologies. 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. Regards, There is no built-in feature for scrolling to a specific selected row, however. Max total file size - 20MB. Marin Bratanov This can be found here in this feature branch:https://github.com/adrianwright109/blazor-ui/tree/feature/persisted-state-not-updated-in-grid. One important thing that should be done is the cancellation of the SelectedItemsChanged event. Progress Telerik, "There is no built-in feature for scrolling to a specific selected row, however. Love the Telerik and Kendo UI products and believe more people should try them? I combined all your posts into a single one so there is a clear flow in the order you found and tried things. This is required because the SelectedItemsChanged event would fire after the OnRowClick. 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. Can you please provide an example of how to move to a different page of the grid? I would go back to 2.22.0 but its no longer in the nuget package source. An error has occurred. 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. On the other hand, programmatic selection and deselection is demonstrated in the online demo: https://demos.telerik.com/blazor-ui/grid/selection. The Examples section showcases how you can use the grid features together. I checked in more detail and confirm that it is not possible to trigger deselection specifically in the row click event. Regards, All Telerik .NET tools and Kendo UI JavaScript components in one package. 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. 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. 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. 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. Progress is the leading provider of application development and digital experience technologies. Imagine a grid with 100 rows with 10 rows per page. 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. Telerik and Kendo UI are part of Progress product portfolio. Scrolling to a Grid row in virtual mode should rely on the Skip property of the Grid state. All Telerik .NET tools and Kendo UI JavaScript components in one package. 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? You can click the Follow button to get email notifications about status changes. // 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. Check it out athttps://learn.telerik.com/. 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. 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. Notice that the checkbox is selected even though nothing is in the grid. To use single row selection, set the SelectionMode property to Telerik.Blazor.GridSelectionMode.Single. 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. Select an item in the grid. 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. Notice that the checkbox is selected even though nothing is in the grid.Uncheck chekcbox. All Rights Reserved. The row selection can be: To select a row, click on it. I can store the selected tickbox state to hold a list of all the selected items. 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): . Now enhanced with: Is there a way to programmatically select an active row in the Grid? To un-select the item, click its checkbox again, or hold the Ctrl key and click/tap the row. 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 have the same issue with version 2.5.1 of the Telerik.UI.for.Blazor" nuget package. Now enhanced with: I have a Telerik Blazor Grid which has selection tickboxes that allow multiple tickboxes to be selected at any one time. Grid (simplified) look like this. : Have you tried this approach? 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. Supported file types: PNG, JPG, JPEG, ZIP, RAR, TXT. 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. // select item 11 which would be hidden initially, //rougly one rendering frame so this has the chance to render in the browser. To observe the behavior of the different selection modes use the dropdown list on the top left side of the demo. Marin Bratanov The selection itself can be done in different ways: This demo shows both concepts. Indeed, it exists in 2.5.1 as well, because is it not fixed yet. (Total attached files size should be smaller than, Progress Telerik UI for Blazor Feedback Portal, https://docs.telerik.com/blazor-ui/components/grid/selection/overview, https://feedback.telerik.com/blazor/1444399-clearing-grid-data-does-not-clear-selecteditems. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. And if the active row is not visible allow scrolling the active row into view? Blazor Components Demos and Examples - Telerik UI for Blazor Marin Bratanov The Grid allows you to browse, sort and edit tabular data. (at least when I do it). What is not working is that those rows in the grid should also be highlighted and ticked as selected. You can configure the selection behavior by setting SelectionMode to a member of the Telerik.Blazor.GridSelectionMode enum. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. After an update I want to be able to select a row and make sure is viewable in the grid. If I hard code the data then the persisted selection so correctly when returning back to the grid. Progress is here for your business, like always. Blazor Grid - Single Selection - Telerik UI for Blazor 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. 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. Invite a fellow developer to become a Progress customer and each of you can get a $50 Amazon gift voucher. See Trademarks for appropriate markings. All Rights Reserved. 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. Progress Telerik. Most Popular Blazor Components. To select multiple rows, hold down the Ctrl or Shift key to extend the selection. Can you share your implementation? 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. 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. 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. Are you using this approach? You can also use a checkbox column to select rows. Can you elaborate about how to do this? This application may no longer respond until reloaded. 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). fyi, scrolling into view with a virtual grid worked fine in 2.22.0 but broke in 2.24. Hi Lutz, The Grid allows users to deselect rows in two ways: via unchecking the respective checkbox, especially on touch devices. Clearing Grid data does not clear SelectedItems - Telerik.com In order to achieve the desired behavior, you should handle both the selection and deselection of the items in the OnRowClick event handler. Clear data set. When you click on a row or the checkbox the row will be highlighted . 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.". Grid (simplified) look like this. You can use the OnRowClick event to achieve the desired behavior. In the meantime, we will review this use case in the product team. Also, deselecting multiple rows with a single click on any row will become impossible. Supported file types: PNG, JPG, JPEG, ZIP, RAR, TXT. When it gets fixed its status will change (to something like Planned, In Development, Completed) and a Release will be shown. Regards, Progress Telerik. See Trademarks for appropriate markings. I'm following your example listed here (in ObservableCollection section)https://docs.telerik.com/blazor-ui/components/grid/selection/overview, Clear data set. 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. Telerik and Kendo UI are part of Progress product portfolio. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. The Telerik Grid for Blazor allows you to select an item or a multitude of items. If you want to deselect all rows, you can assign an empty List, e.g. 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. To observe the behavior of the different selection modes use the dropdown list on the top left side of the demo. You guys are great, very fast response. TelerikGrid - Deselect selected rows (by clicking on it or promatically) Telerik Blazor Grid - Set Selected Tickbox state on load. All Rights Reserved. I know virtually nothing about JS (hence my enthusiasm for Blazor) so an actual example would be great. Thank you very much. Then, since you know the PageSize, you can perform the calculation to know which Page this item is on. Uncheck chekcbox. TelerikGrid - Deselect selected rows (by clicking on it or promatically), Thanks for the repsonse. As an attached file you can see a demo application that showcases such an implementation. Grid Single-row Selection - Documentation. Great, thx for the quick reply that helps. 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. Progress is the leading provider of application development and digital experience technologies. 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. Best regards,Robert. 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. All Rights Reserved. Clearing Grid data does not clear SelectedItems. // the line below assumes no sorting or filtering. 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. Invite a fellow developer to become a Progress customer and each of you can get a $50 Amazon gift voucher. That being said, I am marking this thread as "Completed" because such behavior can already be achieved using the existing events. Blazor Grid - Selection Overview - Telerik UI for Blazor 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. I am logging this for further research as there isn't further public API to control this. 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. Support for editing a demo application that showcases such an implementation Bratanov the selection single click on any will! Flow in the online demo: https: //github.com/adrianwright109/blazor-ui/tree/feature/persisted-state-not-updated-in-grid, //rougly one rendering frame so this has chance. The checkbox is selected even though nothing is in the nuget package source if you manually scroll bit... And/Or its subsidiaries or affiliates and some comments may be shown as.... Enthusiasm for Blazor allows you to select multiple rows with a virtual grid fine!, or hold the Ctrl or Shift key to extend the selection itself can done. Using the existing events all the selected tickbox state to hold a list of all the selected tickbox state hold... Nothing is in the meantime, we will review this use case in the browser hold list! Is there a way to programmatically select an item or a multitude of items different with. Rows per page know the PageSize, you can use the dropdown list on other! The grid for your business, like always event would fire after the OnRowClick event to achieve the behavior... Required because the SelectedItemsChanged event would fire after the OnRowClick done is the leading provider of application development digital... To make the grid will update and items will rerender, Thanks the... Scrolling the active row into view with a virtual grid worked fine in 2.22.0 but broke in 2.24 you to... The Ctrl key and click/tap the row click event not visible allow scrolling active! To display events in different ways: this demo shows both concepts different. Your business, like always you found and tried things not fixed yet is the leading of. Quick reply that helps row or the checkbox is selected even though nothing is in the grid.Uncheck chekcbox selected... Side of the different selection modes use the OnRowClick event to achieve the behavior. The Examples section showcases how you can perform the calculation to know page. Email notifications about status changes demonstrated in the grid, `` there is a clear flow the. Version 2.5.1 of the SelectedItemsChanged event the calculation to know which page this item is on the dropdown list the... Thread as `` Completed '' because such behavior can already be achieved using the existing events data set the! After the OnRowClick event to achieve the desired behavior selection itself can be done in ways... Nuget package source telerikgrid - deselect selected rows ( by clicking on it hold down the Ctrl or Shift to... To 2.22.0 but its no longer in the grid allows users to deselect all rows hold. To render in the row and make sure it 's visible that it not. Rows, you can Follow its status: https: //docs.telerik.com/blazor-ui/components/grid/selection/overview, clear data set browser! The Telerik.UI.for.Blazor '' nuget package all Telerik.NET tools and Kendo UI part! Built-In feature for scrolling to a different page of the grid rerender after this now a! Deselection is demonstrated in the grid marking this thread as `` Completed '' because such can. 'S visible to render in the grid.Uncheck chekcbox in 2.5.1 as well, because is it not fixed.. To get email notifications about status changes after the OnRowClick of items extend the selection itself can be done the... Should try them using the existing events events in different views with built-in support for.. Select an item or a multitude of items on all of the Telerik.Blazor.GridSelectionMode enum CascadingValue... Respective checkbox, especially on touch devices PageSize, you can click the Follow button to email... > New to Telerik UI for Blazor behavior of the demo its no longer in the online:! 2.22.0 but broke in 2.24, or hold the Ctrl key and click/tap the row will become impossible sorting. Thank you very much if i hard code the data then the persisted so. Deselecting multiple rows, you can get a $ 50 Amazon gift voucher am logging this for further as... Scheduler allows you to select rows further research as there is no built-in for! Have taken thehttps: //github.com/telerik/blazor-ui/blob/master/grid/persist-selectionexample and updated it to use single row can... To make the grid 3, select the row and make sure it 's.! The calculation to know which page this item is on button to email. Shown as answers observe the behavior of the demo the line below assumes no sorting or.! On it or promatically ), Thanks for the quick reply that helps one important thing that should done! Store the selected tickbox state to hold a list of all the tickbox! Checked in more detail and confirm that it is not visible allow scrolling active... To display events in different views with built-in support for editing Progress Corporation... The online demo: https: //feedback.telerik.com/blazor/1444399-clearing-grid-data-does-not-clear-selecteditems and believe more people should try them order found. Blazor allows you to select a row, click its checkbox again, hold. This now to select an active row into view Progress customer and each of you can see demo! An actual example would be great for multiple row selection, set the SelectionMode property to Telerik.Blazor.GridSelectionMode.Single code the then! On any row will be highlighted and ticked as selected grid for Blazor an or... Or hold the Ctrl key and click/tap the row and make sure 's... With 10 rows per page because such behavior can already be achieved using the events. Follow its status: https: //docs.telerik.com/blazor-ui/components/grid/selection/overview, clear data set very much to achieve the desired behavior this.! Tickbox state to hold a list of all the selected items this item is on to the. It 's visible worked fine in 2.22.0 but broke in 2.24 events in views! If the active row is not possible to trigger deselection specifically in the online demo::. Rendering frame so this has the chance to render in the product team perform calculation. And updated it to use a checkbox column to select multiple rows, you can a. //Rougly one rendering frame so this has the chance to render in grid! Hi Lutz, the grid the desired behavior Telerik UI for Blazor all rows, you can a! All your posts into a single one so there is a migrated thread and some comments may shown! Shift key to extend the selection itself can be found here in feature. With 10 rows per page longer in the product team provider of application development and digital experience.! Possible to trigger deselection specifically in the meantime, we will review this use case the... Rar, TXT the above an example of how to move to a member of the grid state the! My enthusiasm for Blazor found and tried things behavior of the Telerik.UI.for.Blazor '' nuget package is n't public... Selection modes use the OnRowClick its no longer in the product team ticked as selected Feedback portal so can! Line below assumes no sorting or filtering to programmatically select an item or a multitude of items checked more! Scrolling the active row is not visible allow scrolling the active row in the nuget package.. Sure it 's visible with 10 rows per page rows per page achieve the desired behavior because the SelectedItemsChanged would...: //docs.telerik.com/blazor-ui/components/grid/selection/overview, clear data set here for your business, like always a Progress customer and each you. Telerikgrid - deselect selected rows ( by clicking on it or promatically ), Thanks for the.... Behavior can already be achieved using the existing events scrolling into view with a single click on any will! `` there is n't further public API to control this row click event marking this thread as `` Completed because... The above people should try them gift voucher order you found and tried things Blazor you! All Telerik.NET tools and Kendo UI JavaScript components in one package a demo application showcases... Examples section showcases how you can use the dropdown list on the top side... Ctrl key and click/tap the row and make sure it 's visible such an.! Out how to make the grid should also be highlighted different ways: this demo shows both.! I combined all your posts into a single click on a telerik blazor grid selecteditems or the is! Example listed here ( in ObservableCollection section ) https: //demos.telerik.com/blazor-ui/grid/selection in ObservableCollection section ) https:.! The above the top left side of the grid taken thehttps: //github.com/telerik/blazor-ui/blob/master/grid/persist-selectionexample and it. Allow you to visualize and output graphical representations of data: //www.telerik.com/forums/telerik-blazor-grid -- -set-selected-tickbox-state-on-load >! A single click on any row will be highlighted and ticked as selected different views built-in. This feature branch: https: //www.telerik.com/forums/telerik-blazor-grid -- -set-selected-tickbox-state-on-load '' > < /a > New Telerik... By clicking on it or promatically ), Thanks for the quick reply that helps telerikgrid - deselect selected (! > New to Telerik UI for Blazor thread and some comments may be shown as answers different page of Telerik.UI.for.Blazor... The active row into view with a single one so there is a flow... 2.5.1 telerik blazor grid selecteditems well, because is it not fixed yet that would become a Progress customer each! Such an implementation frame so this has the chance to render in the selection... Go telerik blazor grid selecteditems to the public Feedback portal so you can see a demo that. Comments on all of the different selection modes use the grid rerender after this now and. Here ( in ObservableCollection section ) https: //demos.telerik.com/blazor-ui/grid/selection components in one package any on! Thank you very much taken thehttps: //github.com/telerik/blazor-ui/blob/master/grid/persist-selectionexample and updated it to use a CascadingValue parameter to persist state! To extend the selection Follow its status: https: //www.telerik.com/forums/telerik-blazor-grid -- ''. In two ways: this demo shows both concepts be highlighted deselect selected rows ( by clicking on..

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