Use the following code snippet:
ThemeResolutionService.ApplicationThemeName = "MaterialPink";
radGridView1.ElementTree.EnableApplicationThemeName = false;
radGridView1.ThemeName = "FluentDark";Workaround:
private void radGridView1_CellEditorInitialized(object sender, GridViewCellEventArgs e)
{
RadDropDownListEditor ddlEditor = e.ActiveEditor as RadDropDownListEditor;
if (ddlEditor != null)
{
RadDropDownListEditorElement el = ddlEditor.EditorElement as RadDropDownListEditorElement;
el.Popup.ElementTree.EnableApplicationThemeName = false;
el.Popup.ThemeName = this.radGridView1.ThemeName;
}
}
- Using a RadGriditem
- Set AllowSearchRow to false as default
- Add a RadButton or something else to toggle AllowSearchRow
- Toggling works as long the "x" in the search mask is not used
When the "x" is used it seems that AllowSearchRow is not set to false because the toggle button has then to be pressed twice to show up the search mask again.
Stack Trace:
at System.Collections.ArrayList.BinarySearch(Int32 index, Int32 count, Object value, IComparer comparer)
at Telerik.WinControls.UI.TextBoxWrapPanel.BinarySearch(LineInfo line, IComparer comparer)
at Telerik.WinControls.UI.TextBoxNavigator.GetPositionFromOffset(Int32 offset)
at Telerik.WinControls.UI.RadTextBoxControlElement.Select(Int32 start, Int32 length)
at Telerik.WinControls.UI.RadTextBoxControlEditor.EndEdit()
at Telerik.WinControls.UI.GridViewEditManager.EndEditCore(Boolean validate, Boolean cancel)
at Telerik.WinControls.UI.GridViewEditManager.CloseEditor()
Please refer to the attached sample project and follow the steps from the grid file:
Steps to reproduce:
1. Filter the checkbox column to only show unchecked rows
2. Enter "5" for filtering the Name column
3. Click the checkbox column on the bottom row
4. Remove filter value in the Name column
This will result in the unrelated record showing as checked. Scrolling or changing sorting may refresh the cell. If the filter is cleared by using the No filter menu option, the problem is not observed
Please refer to the attached sample project and follow the steps in the gif file.
Workaround: custom filtering to control which rows to be visible or not: https://docs.telerik.com/devtools/winforms/controls/gridview/filtering/custom-filtering
private void radGridView1_CustomFiltering(object sender, GridViewCustomFilteringEventArgs e)
{
e.Handled = true;
e.Visible = e.Row.Cells["Value"].Value.Equals( Double.NaN);
}
Two of the grids (B & C) are on the same tab and the other (A) on a different tab.
Only one tab can be visible at any one time, so you can either see and interact with the single grid (A) or the other two grids (B & C).
I need to be able to select a row in C (based on a criteria) when you click on a row in A or B.
Grid C has paging enabled.
I can successfully select the desired row in C when I click on a row in B and see the paging change to show the selected row.
But, when I click on a row in A and find a matching row in C, the row seems to get selected but the paging does not move to where the selected row is.
You can also note it in demo application with this settings:
Hi,
I want to extend the RadGridView control, so I do "public class TkGrid : Telerik.WinControls.UI.RadGridView {}"
How do I apply a theme to TkGrid control ? I set "ThemeResolutionService.ApplicationThemeName = "FluentDark" but this doesn't work.
I attached a small project where I have one TkGrid and one RadGridView. On top of form there is a dropdown from where you can change the theme
When I do this, TkGrid is not displayed with the new theme (this works for RadGridView)
p.s. I also added a custom Button, TkButton inherited from RadButton. When I change the theme, the look of TkButton is changed, so this is ok
Dear Support team,
Our Application issue: While running application in assistive mode and having a grid with large number of columns, Narrator/JAWS starts reading each Column Value as "DbNull"
while User is Tabbing through selected Row. (Please see attach Video for better understanding.)
I also created a sample Program:
1. Build Win Form app having a RadGridView. [Sample Attached in 1514161]
2. Start Win 10 Narrator App
3. Run App from Step #1 [Note: Please do not Resize Main Form yet]
4. Start Tabbing from Grid selected Row. Narrator does not read/speak Cell Values.
5. Now Close & Run Application again and Maximize Window. Repeat Step #4. Narrator reads/speak Cell Values as expected.
It seems reads all values fine until they are visible, and once you continue tabbing and horizontal scrolling happens and then stops reading.
Please advice. A Fix for it would be a great help!
Looking forward to hear back!
Thanks and Regards,
Vivek
Sr. .Net Developer
Hi,
I want to add a MultiComboBoxColumn to a GridView
is it possible to define the columns for this MultiComboBox at design time (in Property Builder editor of Grid) ?
I have a problem with radgridview :
grouping the column (GRP) of child template the summary row contains the correct data (12 RowCount for 62,40 summary), but if I try to sort a column and / or click on the summary row the datas is modified, the RowCount number becomes the total number of groups (4) and the amounts are reset (0,00).
Looking forward to your kind reply, I offer you my best regards.
Steps to reproduce:
1. Bind the grid to BindingList
2. Call BestFitColumns method in form's constructor
3. Use Fluent/Crystal theme
4. Rebind the grid by setting DataSource=null
5. Exception is thrown
Stack trace:
en Telerik.WinControls.UI.BestFitHelper.SetColumnWidth(GridViewColumn column, Single desiredWidth) en Telerik.WinControls.UI.BestFitHelper.BestFitColumnCore(GridViewColumn column, BestFitColumnMode mode) en Telerik.WinControls.UI.BestFitHelper.ProcessRequests() en Telerik.WinControls.UI.GridTableElement.UpdateAll() en Telerik.WinControls.UI.GridTableElement.UpdateViewCore(Object sender, DataViewChangedEventArgs args) en Telerik.WinControls.UI.GridTableElement.UpdateView(Object sender, DataViewChangedEventArgs args) en Telerik.WinControls.UI.GridTableElement.ProcessTemplateEvent(GridViewEvent eventData) en Telerik.WinControls.UI.GridTableElement.Telerik.WinControls.UI.IGridViewEventListener.ProcessEvent(GridViewEvent eventData) en Telerik.WinControls.UI.GridViewEventProcessEntity.ProcessCollection(GridViewEvent gridEvent, PriorityWeakReferenceList list, GridEventProcessMode processMode) en Telerik.WinControls.UI.GridViewEventProcessEntity.ProcessEvent(GridViewEvent gridEvent) en Telerik.WinControls.UI.GridViewSynchronizationService.NotifyListeners(GridViewEvent gridEvent) en Telerik.WinControls.UI.GridViewSynchronizationService.FlushEvents() en Telerik.WinControls.UI.GridViewSynchronizationService.DispatchEvent(GridViewEvent gridEvent) en Telerik.WinControls.UI.GridViewSynchronizationService.DispatchEvent(GridViewTemplate template, GridViewEvent eventData, Boolean postUI) en Telerik.WinControls.UI.GridViewTemplate.DispatchEvent(GridViewEvent gridEvent, Boolean postUI) en Telerik.WinControls.UI.GridViewTemplate.DispatchDataViewChangedEvent(Object sender, DataViewChangedEventArgs args) en Telerik.WinControls.UI.GridViewTemplate.OnViewChanged(Object sender, DataViewChangedEventArgs e) en Telerik.WinControls.UI.MasterGridViewTemplate.OnViewChanged(Object sender, DataViewChangedEventArgs e) en Telerik.WinControls.UI.GridViewTemplate.CollectionView_CollectionChanged(Object sender, NotifyCollectionChangedEventArgs e) en Telerik.WinControls.Data.RadCollectionView`1.OnCollectionChanged(NotifyCollectionChangedEventArgs args) en Telerik.WinControls.Data.RadDataView`1.RebuildData(Boolean notify) en Telerik.WinControls.Data.RadDataView`1.RefreshOverride() en Telerik.WinControls.Data.RadDataView`1.ProcessCollectionChanged(NotifyCollectionChangedEventArgs args) en Telerik.WinControls.Data.RadCollectionView`1.source_CollectionChanged(Object sender, NotifyCollectionChangedEventArgs e) en Telerik.WinControls.Data.NotifyCollectionChangedEventHandler.Invoke(Object sender, NotifyCollectionChangedEventArgs e) en Telerik.WinControls.Data.RadListSource`1.OnCollectionChanged(NotifyCollectionChangedEventArgs e) en Telerik.WinControls.Data.RadListSource`1.EndUpdate(Boolean notifyUpdates) en Telerik.WinControls.Data.RadListSource`1.Initialize() en Telerik.WinControls.Data.RadListSource`1.Bind(Object dataSource, String dataMember) en Telerik.WinControls.Data.RadListSource`1.set_DataSource(Object value) en Telerik.WinControls.UI.GridViewTemplate.set_DataSource(Object value) en Telerik.WinControls.UI.RadGridView.set_DataSource(Object value)
The main purpose is optimizing memory consumption and performance when generating large pdf documents.
Resource: https://www.telerik.com/blogs/pdf-stream-processing-reliable-and-efficient-processing-of-pdf-files
If you define which columns to be printed on separate pages and try to use the Print Settings dialog to change the orientation for example, the multi-page printing gets lost:
Here is the code snippet which result is illustrated in the attached gif file:
Private Sub RadForm1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
Me.CustomersTableAdapter.Fill(Me.NwindDataSet.Customers)
Me.RadGridView1.DataSource = Me.CustomersBindingSource
Me.RadGridView1.BestFitColumns()
End Sub
Private Sub RadButton1_Click(sender As Object, e As EventArgs) Handles RadButton1.Click
Dim document As New RadPrintDocument()
document.AssociatedObject = Me.RadGridView1
Dim printStyle As GridPrintStyle = New GridPrintStyle(RadGridView1)
Dim renderer As TableViewDefinitionPrintRenderer = New TableViewDefinitionPrintRenderer(RadGridView1)
renderer.PrintPages.Add(RadGridView1.Columns(0), RadGridView1.Columns(2), RadGridView1.Columns(5))
renderer.PrintPages.Add(RadGridView1.Columns(0), RadGridView1.Columns(1), RadGridView1.Columns(9))
renderer.PrintPages.Add(RadGridView1.Columns(8), RadGridView1.Columns(7))
renderer.PrintPages.Add(RadGridView1.Columns(3), RadGridView1.Columns(4), RadGridView1.Columns(6))
printStyle.PrintRenderer = renderer
RadGridView1.PrintStyle = printStyle
Dim dialog As New RadPrintPreviewDialog(document)
dialog.ShowDialog()
End Sub
I want that the user can select a value from al list like in excel:
Currently, when using the Excel-like filtering and RadListFilterPopup it does not allow filtering by time, only by date:
