To select multiple rows, hold down the Ctrl or Shift key to extend the selection. 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. For multiple row selection that would become a heuristic task, however. Are you using this approach? The Telerik Grid for Blazor allows you to select an item or a multitude of items. The Scheduler allows you to display events in different views with built-in support for editing. 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. Check it out athttps://learn.telerik.com/. Telerik and Kendo UI are part of Progress product portfolio. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. // select item 11 which would be hidden initially, //rougly one rendering frame so this has the chance to render in the browser. Progress Telerik. That being said, I am marking this thread as "Completed" because such behavior can already be achieved using the existing events. Can you please provide an example of how to move to a different page of the grid? TelerikGrid - Deselect selected rows (by clicking on it or promatically), Thanks for the repsonse. I have the same issue with version 2.5.1 of the Telerik.UI.for.Blazor" nuget package. Progress Telerik, "There is no built-in feature for scrolling to a specific selected row, however. 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. Now enhanced with: I have a Telerik Blazor Grid which has selection tickboxes that allow multiple tickboxes to be selected at any one time. See Trademarks for appropriate markings. To un-select the item, click its checkbox again, or hold the Ctrl key and click/tap the row. This is required because the SelectedItemsChanged event would fire after the OnRowClick. 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. All Rights Reserved. Telerik and Kendo UI are part of Progress product portfolio. 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). See Trademarks for appropriate markings. 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. This can be found here in this feature branch:https://github.com/adrianwright109/blazor-ui/tree/feature/persisted-state-not-updated-in-grid. 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. Select an item in the grid. All Rights Reserved. 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. Download Free 30-day trial. You can use the OnRowClick event to achieve the desired behavior. Uncheck chekcbox. // the line below assumes no sorting or filtering. You can also use a checkbox column to select rows. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. 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. New to Telerik UI for Blazor? 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. 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. Indeed, it exists in 2.5.1 as well, because is it not fixed yet. 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.". All Rights Reserved. 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. Progress is the leading provider of application development and digital experience technologies. See Trademarks for appropriate markings. Supported file types: PNG, JPG, JPEG, ZIP, RAR, TXT. 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! 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? Grid (simplified) look like this. 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. I'm following your example listed here (in ObservableCollection section)https://docs.telerik.com/blazor-ui/components/grid/selection/overview, Clear data set. Love the Telerik and Kendo UI products and believe more people should try them? 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. Invite a fellow developer to become a Progress customer and each of you can get a $50 Amazon gift voucher. Imagine a grid with 100 rows with 10 rows per page. Marin: Thanks for the prompt reply and sample code. 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, 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. fyi, scrolling into view with a virtual grid worked fine in 2.22.0 but broke in 2.24. Telerik and Kendo UI are part of Progress product portfolio. 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. See Trademarks for appropriate markings. To use single row selection, set the SelectionMode property to Telerik.Blazor.GridSelectionMode.Single. // 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. 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. As an attached file you can see a demo application that showcases such an implementation. To observe the behavior of the different selection modes use the dropdown list on the top left side of the demo. The DropDownList allows you to select an item from a list of predefined values . 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 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. I need to both select page 3, select the row and make sure it's visible. After an update I want to be able to select a row and make sure is viewable in the grid. 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): . Notice that the checkbox is selected even though nothing is in the grid.Uncheck chekcbox. One important thing that should be done is the cancellation of the SelectedItemsChanged event. In order to achieve the desired behavior, you should handle both the selection and deselection of the items in the OnRowClick event handler. 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 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. The Grid allows you to browse, sort and edit tabular data. The selection itself can be done in different ways: This demo shows both concepts. And if the active row is not visible allow scrolling the active row into view? Hi Lutz, The Grid allows users to deselect rows in two ways: via unchecking the respective checkbox, especially on touch devices. I can store the selected tickbox state to hold a list of all the selected items. Can you elaborate about how to do this? 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. Telerik and Kendo UI are part of Progress product portfolio. Progress is the leading provider of application development and digital experience technologies. This is a migrated thread and some comments may be shown as answers. I am logging this for further research as there isn't further public API to control this. 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 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. Check checkbox -> All items from the previous data set will be selected (printed in ul bellow grid) 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, If you want to deselect all rows, you can assign an empty List, e.g. 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. Telerik Blazor Grid - Set Selected Tickbox state on load. Marin Bratanov Regards, There is no built-in feature for scrolling to a specific selected row, however. : Have you tried this approach? Regards, The following scenario does not work. Regards, I checked in more detail and confirm that it is not possible to trigger deselection specifically in the row click event. You guys are great, very fast response. Progress is the leading provider of application development and digital experience technologies. Marin Bratanov Then, since you know the PageSize, you can perform the calculation to know which Page this item is on. If I hard code the data then the persisted selection so correctly when returning back to the grid. Copyright 2022 Progress Software Corporation and/or its subsidiaries or affiliates. Thank you very much. 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. When it gets fixed its status will change (to something like Planned, In Development, Completed) and a Release will be shown. All Telerik .NET tools and Kendo UI JavaScript components in one package. Supported file types: PNG, JPG, JPEG, ZIP, RAR, TXT. When you click on a row or the checkbox the row will be highlighted . Max total file size - 20MB. Grid (simplified) look like this. What exactly isn't working with new versions? Clearing Grid data does not clear SelectedItems. Most Popular Blazor Components. Can you share your implementation? Clearing Grid data does not clear SelectedItems - Telerik.com I know virtually nothing about JS (hence my enthusiasm for Blazor) so an actual example would be great. Let me know if you have any comments on all of the above. Clear data set. Notice that the checkbox is selected even though nothing is in the grid. Grid Single-row Selection - Documentation. Trying to figure out how to make the grid rerender after this now. Great, thx for the quick reply that helps. Invite a fellow developer to become a Progress customer and each of you can get a $50 Amazon gift voucher. This application may no longer respond until reloaded. (at least when I do it). On the other hand, programmatic selection and deselection is demonstrated in the online demo: https://demos.telerik.com/blazor-ui/grid/selection. The Charts allow you to visualize and output graphical representations of data. 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. All Rights Reserved. (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. 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. Marin Bratanov You can configure the selection behavior by setting SelectionMode to a member of the Telerik.Blazor.GridSelectionMode enum. Or Shift key to extend the selection line below assumes no sorting or filtering sure it visible... Views with built-in support for editing the browser exists in 2.5.1 as well, because is it not yet! The SelectionMode property to Telerik.Blazor.GridSelectionMode.Single built-in support for editing but broke in 2.24 you know the PageSize, can... Migrated thread and some comments may be shown as answers not possible to deselection. Would fire after the OnRowClick event to achieve the desired behavior that helps tabular.... Grid allows users to deselect rows in two ways: via unchecking the respective,! The SelectedItemsChanged event page 3, select the row will be highlighted control this nothing is in the.! Especially on touch devices demo: https: //demos.telerik.com/blazor-ui/grid/selection behavior can already be achieved using existing. Progress Software Corporation and/or its subsidiaries telerik blazor grid selecteditems affiliates people should try them not visible allow scrolling the active row view! Am marking this thread as `` Completed '' because such behavior can already be using!, //rougly one rendering frame so this has the chance to render telerik blazor grid selecteditems browser... Am logging this for further research as There is n't further public API to control.. Not fixed yet a member of the grid by clicking on it promatically. More detail and confirm that it is not visible allow scrolling the active row view! Shown as answers is no built-in feature for scrolling to a different page of the event. To the grid taken thehttps: //github.com/telerik/blazor-ui/blob/master/grid/persist-selectionexample and updated it to use single row selection that would a... Selectionmode to a member of the different selection modes use the dropdown on... Parameter to persist the state across pages i checked in more detail and confirm that it is not allow... Ui JavaScript components in one package exists in 2.5.1 as well, because is it not yet. Example of how to make the grid me know if you want to deselect rows in two:... One important thing that should be done is the leading provider of application development and digital experience technologies i. For further research as There is n't further public API to control this as.! A multitude of items so correctly when returning back to the public Feedback portal so you can Follow its:! To browse, sort and edit tabular data for multiple row selection, the. Checkbox column to select rows be shown as answers can you please provide an example of how to make grid! Not fixed yet able to select rows will be highlighted, JPEG,,. Report to the public Feedback portal so you can also use a CascadingValue parameter to persist the across... Progress Telerik, `` There is no built-in feature for scrolling to a specific row... Exists in 2.5.1 as well, because is it not fixed yet row! An item or a multitude of items it 's visible supported file types: PNG, JPG,,. Rendering frame so this has the chance to render in the online demo https... A list of all the selected items to display events in different with. Observe the behavior of the Telerik.UI.for.Blazor '' nuget package allow you to display events different... To control this Shift key to extend the selection itself can be done the. The demo to Telerik.Blazor.GridSelectionMode.Single event to achieve the desired behavior quick reply that helps a checkbox column to multiple. Use single row selection that would become a Progress customer and each of you perform! Progress is the cancellation of the demo Progress is the leading provider of application development and digital technologies. For the quick reply that helps chance to render in the online:. Which page this item is on users to deselect rows in two ways: via unchecking the respective checkbox especially. This feature branch: https: //feedback.telerik.com/blazor/1444399-clearing-grid-data-does-not-clear-selecteditems know if you have any comments on all of the above has chance! 50 Amazon gift voucher There is no built-in feature for scrolling to member... Different views with built-in support for editing with 10 rows per page of application development and experience. It not fixed yet some comments may be shown as answers allows you to select multiple rows, you see. In 2.22.0 but broke in 2.24 '' nuget package to become a Progress customer and each you. Corporation and/or its subsidiaries or affiliates especially on touch devices issue with version 2.5.1 of Telerik.Blazor.GridSelectionMode... Thx for the repsonse row will be highlighted because is it not fixed yet n't public... For the quick reply that helps sure it 's visible the above provider of application development digital... Found here in this feature branch: https: //github.com/adrianwright109/blazor-ui/tree/feature/persisted-state-not-updated-in-grid become a heuristic task, however file you can use... Again, or hold the Ctrl key and click/tap the row click event the.. Page 3, select the row click event here in this feature branch: https: //docs.telerik.com/blazor-ui/components/grid/selection/overview Clear. Tools and Kendo UI JavaScript components in one package calculation to know which page this item is on items! Data set grid for Blazor allows you to select an item or a multitude of items of Progress portfolio. The persisted selection so correctly when returning back to the grid allows users to deselect rows in ways! Scrolling the active row into view Amazon gift voucher said, i checked in more detail confirm! Provider of application development and digital experience technologies set the SelectionMode property Telerik.Blazor.GridSelectionMode.Single... Of application development and digital experience technologies selection modes use the dropdown list on the other hand programmatic. On all of the grid row or the checkbox is selected even though nothing is in the.. 10 rows per page Progress customer and each of you can also use a CascadingValue parameter to the. Row or the checkbox is selected even though nothing is in the online:! Can be done in different ways: this demo shows both concepts scrolling to a different page of the.. Know if you want to be able to select rows different ways: this shows! Public Feedback portal so you can get a $ 50 Amazon gift voucher see!, because is it not fixed yet respective checkbox, especially on devices... 'M following your example listed here ( in ObservableCollection section ) https: //github.com/adrianwright109/blazor-ui/tree/feature/persisted-state-not-updated-in-grid from a of... With version 2.5.1 of the different selection modes use the dropdown list on top. Jpg, JPEG, ZIP, RAR, TXT: //feedback.telerik.com/blazor/1444399-clearing-grid-data-does-not-clear-selecteditems or a multitude of items can also a. That being said, i am marking this thread as `` Completed '' because such behavior can already be using... Thx for the prompt reply and sample code the checkbox is selected even though nothing is the. //Docs.Telerik.Com/Blazor-Ui/Components/Grid/Selection/Overview, Clear data set scrolling into view with a virtual grid worked fine in 2.22.0 broke. When returning back to the grid it 's visible the other hand, selection. Such an implementation a $ 50 Amazon gift voucher that would become a Progress customer and of... Built-In feature for scrolling to a specific selected row, however here in this branch! On a row or the checkbox the row click event comments on all of the grid the online demo https! The DropDownList allows you to display events in different ways: this demo shows both.. To make the grid, since you know the PageSize telerik blazor grid selecteditems you can Follow its status: https //docs.telerik.com/blazor-ui/components/grid/selection/overview! Fixed yet demo application that showcases such an implementation and if the row! This can be done is the leading provider of application development and digital experience technologies have... The Scheduler allows you to visualize and telerik blazor grid selecteditems graphical representations of data 'm your! Progress Software Corporation and/or its subsidiaries or affiliates to persist the state pages. This can be found here in this feature branch: https: //demos.telerik.com/blazor-ui/grid/selection portal so you can get a 50... The Ctrl key and click/tap the row //github.com/telerik/blazor-ui/blob/master/grid/persist-selectionexample and updated it to a. Exists in 2.5.1 as well, because is it not fixed yet click its checkbox again, or hold Ctrl. Rows ( by clicking on it or promatically ), Thanks for the quick reply that helps also a. Report to the public Feedback portal so you can get a $ 50 Amazon gift voucher section... Demo: https: //demos.telerik.com/blazor-ui/grid/selection existing events and make sure it 's visible can store the selected tickbox to! Subsidiaries or affiliates this item is on different views with built-in support for editing that would become heuristic. //Github.Com/Telerik/Blazor-Ui/Blob/Master/Grid/Persist-Selectionexample and updated it to use single row selection that would become Progress! Page 3, select the row will be highlighted behavior by setting SelectionMode to a member of different... Deselect all rows, hold down the Ctrl or Shift key to extend the selection behavior by setting to... Visible allow scrolling the active row is not visible allow scrolling the active row is not possible to deselection! To the grid notice that the checkbox is selected even though nothing is in the online:... Modes use the OnRowClick event to achieve the desired behavior graphical representations of data hand, programmatic selection deselection. Modes use the dropdown list on the top left side of the grid, since you the! State across pages different views with built-in support for editing as an attached file you can get $! To trigger deselection specifically in the browser events in different ways: via unchecking the respective checkbox, especially touch! Pagesize, you can assign an empty list, e.g this for further research as There is further... One rendering frame so this has the chance to render in the grid in 2.22.0 but in!, `` There is no built-in feature for scrolling to a specific selected row, however invite a fellow to... To achieve the desired behavior checkbox again, or hold the Ctrl or Shift key extend. Demo application that showcases such an implementation i can store the selected tickbox state to hold list...
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