Have built-in option to do LIKE filtering on grids.
When the Grid is set to have FilterType="HeaderContext" and filtering by a keyword that starts with a question mark "?MyKeyword", an exception will be thrown: System.ArgumentOutOfRangeException: Index was out of range.
The issue can be replicated in our online demo Excel-like Filtering.
Note that the demos will not display the exact exception because it is handled by the CustomError mechanism of the demo site.
Currently the Width of the Edit controls inside the inline Edit form of the Grid can be set only in pixels. In order to be able to implement a responsive layout the developer has to be able to set the width of these controls in percentage.
Hi, I am adding items to radgrid using cleint side javascript using updateGrid function. My grid structure is DIV -> Table -> Radgrid. I am adding rows dynamically based on the values added from the external fields. I want the grid scroll bar at the last row position. I have already tried all settings suggested from telerik site but was no success. Below are the settings added which did not worked out: <ClientEvents OnRowSelected="rowSelected" OnRowCreated="OnRowCreated" OnRowCreating="OnRowCreating" /> <Scrolling AllowScroll="True" EnableVirtualScrollPaging="True" UseStaticHeaders="false" SaveScrollPosition="true" /> Please help. Regards.
I would like to see the RadGrid control have support for a global header and footer template row for the entire grid. The header or footer would be rendered within a row inserted at the top or bottom of the grid, with styling consistent with the grid's skin. It would actually be very similiar to CommandItemTemplate, but could be used with the default command rows and would apply to the very top and bottom of the grid, and not be part of the MasterTableView. It would simply be to anchor something to the top or bottom of the grid with a consistent look, feel, and width of the rest of the grid. <TELERIK:RadGrid Runat="server"> <HeaderTemplate> Whatever I want to put here would be placed in it's own row at the very top of the grid and it would be automatically styled consistent with the Grid's skin. I could put controls in here and they would bubble through the grid (and it's AJAX functionality, if anything is enabled). </HeaderTemplate> <MasterTableView ... /> <FooterTemplate> Same here, except it goes at the bottom of the grid. </FooterTemplate> </TELERIK:RadGrid> In the example image I attached, the bottom row with "Primary Service Completed" is not actually part of the grid, but we used some CSS to make it look like it was... but that particular CSS is fragile if we ever changed the global skin on the site or for the Grid in particular. That is what I might want to put in the FooterTemplate.
The following steps create this issue: 1. Use html 4 2. Use telerik AJAX (For consistency) 3. Set a radgrid with some columns that reach beyond the extent of its element (such that it requires horizontal scrolling). Use at least four columns. One being the GridClientSelectColumn. 4. Have the following settings: Control Settings: AllowPaging=true,AllowSorting=true,AllowFiltering=true,AllowFilteringByColumn=true,AllowMultiRowSelection=true Control Events Used: NeedDataSource,OnItemDataBound Client Settings: EnablePostBackOnRowClick=false,Resizing AllowColumnResize=true, Selecting AllowRowSelect=true,UseClientSelectColumnOnly=false,Scrolling,AutoGenerateColumns=false,AllowScroll=true,UseStaticHeaders=true Important note: Retain data on the server, rebind, and, on item databound, select the previously selected rows. Set up a button to perform some action on the selected rows and have this action use AJAX such that this action depends on the currently selected rows in the RadGrid. 5. Scroll away from the selection checkboxes 6. Select some rows in your RadGrid 7. Perform your action with AJAX If all was set up correctly, your grid should have been rebound with the previously selected rows re-selected. The RadGrid should still be scrolled to its previous position. 8. Perform your action with AJAX again. Here's the bug, the grid states that it has no selected items; however, the client shows that there are items selected in the UI. This may be related to "RadGrid's last selected item index is not persisted correctly when two or more postbacks are triggered from external controls."
We used Telerik in our application. The network team reported a spam in it.
Using Telerik grid with SortExpression in telerik:GridTemplateColumn, has been reported as high priority network issue.
Issue name : Ajax request header manipulation (DOM-based)
Recorded the issue in below snippet of responce.
onclick="Telerik.Web.UI.Grid.Sort()"
Please let me know if you have any suggestions.!!!
Current RadGrid only has headers/header templates for column headers. The only way to have headers for each row would be to manipulate the grid data and adding the header for each row into the grid data itself. And if we wanted to group the row headers is another round of manipulating the grid data and also manually merging the cells. Is it possible to have to have it as a feature of the RadGrid just like column groups and column headers to simplify the task? example of the final output ->
For keyboard users who don't have a specific Context Menu key (see https://en.wikipedia.org/wiki/Menu_key), they typically need to use the Windows standard SHIFT+F10 hotkey to trigger a contextmenu event. For example: 1. In IE, load http://demos.telerik.com/aspnet-ajax/grid/examples/columns-rows/columns/context-menu/defaultcs.aspx 2. Tab to a column header link 3. Press SHIFT+F10 (standard Windows/IE hotkey to open context menu) 4. Notice the context menu displays, however, the focus is really on the IE menubar. IE supports F10 to open the menubar, but is also seeing SHIFT+F10 too. Or 1. In FireFox, load http://demos.telerik.com/aspnet-ajax/grid/examples/columns-rows/columns/context-menu/defaultcs.aspx 2. Tab to a column header link 3. Press SHIFT+F10 (standard Windows/IE hotkey to open context menu) then press down arrow 4. Notice the context menu displays, however, the focus is really on FireFox's application system menu in the upper left. Chrome does not have this issue - it opens the grid context menu only. We need IE and FireFox to also only open the grid's context menu, and not trigger default browser behavior. According to https://yuilibrary.com/yui/docs/event/contextmenu.html, it is possible to correct this behavior by calling event.preventDefault() when SHIFT+F10 is pressed, but then trigger a synthetic contextmenu event anyway. As a workaround, we know users can press Escape to close the browser's default menu and bring focus back into the HTML document (and thus the grid's context menu), but this throws off the user experience and becomes a training issue.
We have to bind a Grid to a SQLDataSource with several columns that should be displayed and edited as a CheckBox column. We've seen in your manuals that a GridCheckBoxColumn can be binded to a datafield with 'True' or 'False', but what about the fields that contains numerics 1 or 0 ? (SQLDataSource does not have a True/False column, so, the GridCheckBoxColumn is useless) We've also seen a workarround with Templates, but when in edit mode, it is very tedious. In our opinion, it's a very common procedure to display numeric columns with Checkboxes. Do you plan to add this feature in new versions? Thank you in advance.
For a RadGrid bound to a collection of objects, if the object has properties with a DisplayName or other DataAttributes, those attributes should be applied to the column. DisplayName should set the text in the header of the column.
In a non Telerik 3rd-party tool we can export to Excel, and groups that have been defined will be rendered with group buttons in Excel that can be expanded and collapsed in the Excel spreadsheet. With Telerik when we export a RadGrid that has a user-defined group, there are no grouping expand/collapse buttons in the generated Excel spreadsheet. Related Telerik Support ID: 758667 Thanks.
Grid in BatchEdit mode must be one of the most useful features in some serious industry-level web applications. It comes quite naturally, that the data in the grid must be often extensively validated, and in many cases the client side validation is simply not enough. In our case, we had to use BatchEditing mode and we had to validate user-entered values serverside (due to complex rules, external data to validation against in real time and safety/security of the validation itself).
Documentation states that BatchEdit does not support ServerSide validation. This makes BatchEdit mode mostly useless for some serious use, which is a pitty. But how much is needed to do so? The only thing we need is, when processing RadGrid_BatchEditCommand, to send the unsaved changes back to the client (overwrite the old values which would come from the database via NeedDataSource) and mark the changed cells as "EDITED" or "CHANGED", because:
a. We have to make sure, that the unsaved rows from the session variable will always come up, next time the user hits the Save changes button, in the BatchEditCommand in Hashtable newValues = command.NewValues; This is because only rows, which RadGrid understand as changed by user-client side, will come up in the newValues HashTable. In case that the user changed, in the first server-side roundtrip, rows 1 and 2, rows 1 and 2 would be saved to the session variable and they would be presented to the user, but in the second round user would not change rows 1 and 2 but change only row 3, it would be only row 3 which would come up in RadGrid1_BatchEditCommand the newValues Hashtable, and we would never get previous, still unsaved, changes
b. in case the user goes to the next page of the grid, using paging arrows in the grid, the grid normally warns about unsaved changes and prevents user from going to the next page, if there are any unsaved changes. If our changed rows from the session are not marked as EDITED, the grid would never ask this and would proceed to the next page, losing users changes.
We were fighting to make this work via some session variables, etc, but then Doncho from Telerik support sent us this simple solution. I think many would be happy if you could add it to the next release, so it is supported out of the box. Attaching files from Doncho, which give an ide to the solution
Thank you.
Good morning,
we have a strange issue using RadGrid with horizontal scroll and frozen columns: there a resizing of the height which gets user experience not the best.
See attached gif.
Could you please help us?
RadGrid GridDateTimeColumnEditor is unable to process data of type TimeSpan if PickerType is set to TimePicker.
As a workaround, a GridTemplateColumn can be used with a TimePicker inside EditTemplate
<telerik:GridTemplateColumn>
<ItemTemplate>
<%# Eval("Field") %>
</ItemTemplate>
<EditItemTemplate>
<telerik:RadTimePicker ID="RadTimePicker1" runat="server" SelectedTime='<%# Bind("Field") %>'></telerik:RadTimePicker>
</EditItemTemplate>
</telerik:GridTemplateColumn>
The ability to freeze columns on the left in a RadGrid is a great feature. However freezing them from both the left AND right would be even better. I have a scenario where the far left column in a date field (which is frozen and works great). Then there are about 30 columns that scroll. The final column is a "totals" column for that week, and it would be great if that was frozen on the right so I don't need to scroll all the way over to see that column...
Default values are provided for fields with non-string type in insert mode when RadGrid is bound using Model Binding. The reason behind it, is that the Insert item of the RadGrid is being bound similar to the edit Item and values are then provided by the framework. Please create an option to remove the default values when inserting a new record.