Hello, 

I need to set the fill primitive of a control programatically.  Attached is a picture of what I need to accomplish. 

From the tree on the left (of the attached image) you can see I'm setting DockLayoutPanel.ToolwindowCaptionElement.FillPrimitive to the color red.  Works great from within the designer, but I need to do it via program control.  

 

It seems like this control, which is in a raddock, is part of a tool tab strip so I've tried...

 toolTabStrip11.SplitPanelElement.Fill.BackColor = Color.Red;

toolTabStrip11.SplitPanelElement.ForeColor = Color.Red;

and several other variations, but none of them changed the color.   Is there a way to do this grammatically? 

 

Thanks to anyone who can solve this, 

Steve

Can the associated control be set at runtime?

Hi,

I am facing an exception when using excel-like filtering in RadGridView and use "Null" and some other value for filtering. The details is given below.

My system information,

• OS: Windows 7, 64 bit
• IDE: Visual Studio 2013
• Language: C#, .NET 4.5
• Telerik version: 2016.1.216.40 (2016 Q1)
• Telerik Runtime version: v4.0.30319

Steps to reproduce the exception

1. Create new Telerik Windows Forms Application
2. Add Telerik.WinControls.GridView as reference
3. In the generated RadForm add a RadGridView
4. Add a text box column to the grid view
5. Enable excel-like filtering in the grid view
   • radGridView1.EnableFiltering = true;
   • radGridView1.ShowFilteringRow = false;
   • radGridView1.ShowHeaderCellButtons = true;
6. Run the project
7. Add 4-5 rows with any values
8. Edit at least one row, clear the value and press enter. This will make the value "Null" and "Null" will become available in filtering
9. Press filter button and select "Null". This will uncheck all other filters
10. Now check any other value excluding "Not Null"
11. The exception is thrown, here's the stack trace -

 

Looking forward to a quick solution for this.

Thanks and Regards

Hi,

I am trying to set the backcolor of the DateTimePicker and TimePicker when disabled. I am already overriding the OnEnabledChanged event to replace the TextBoxElement with our custom text box so I can update the forecolor and this is all working OK and the backcolor of the textbox is correct, however the control border, dropdown arrow, etc. are still using the old color and I am unable to work out what properties I need to update to access these items.

How do i update the backcolor of all of the visible items for the entire DateTimePicker and for a TimePicker?

 

Thanks,

 

Mark.

Hi, i'm using the latest Telerik release.

Only on some machines I got this error:

An exception was uncaught System.InvalidOperationException: Collection was modified; enumeration operation may not execute.
   at System.Collections.ArrayList.ArrayListEnumeratorSimple.MoveNext()
   at Telerik.WinControls.UI.RadTreeViewElement.SynchronizeNodeElements()
   at Telerik.WinControls.UI.RadTreeViewElement.Update(UpdateActions updateAction)
   at Telerik.WinControls.UI.RadTreeView.OnGotFocus(EventArgs e)
   at System.Windows.Forms.Control.WmSetFocus(Message& m)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
   at Telerik.WinControls.RadControl.WndProc(Message& m)
   at Telerik.WinControls.UI.RadTreeView.WndProc(Message& m)

Here's my Code, where am I doing something wrong?

//user control Load event

Hi I have a problem with a custom cell of a gridview, I'm using a PopupEditor I associate one popupcontainer controls but this when launching the event EditorRequired out empty someone could help me I would appreciate it very much add the code of the custom editor class

Public Class PopUpEditor
    Inherits BaseGridEditor

    Public Overrides Property Value () As Object
      Get
        As editor Dim Telerik.WinControls.UI.RadPopupEditorElement = CType (Me.EditorElement, Telerik.WinControls.UI.RadPopupEditorElement)
        Return editor.Value
      End Get
      Set (ByVal value As Object)
        As editor Dim Telerik.WinControls.UI.RadPopupEditorElement = CType (Me.EditorElement, Telerik.WinControls.UI.RadPopupEditorElement)
        If value AndAlso value isnot isnot Nothing Then DBNull.Value
          If Not IsNumeric (editor.Value) Then
            editor.Value = Convert.ToInt32 (value)
          End If
        else
          editor.Value = 0
        End If
      End Set
    End Property

    Public Overrides Sub BeginEdit ()
      MyBase.BeginEdit ()
      Me.EditorElement.Focus ()
      'AddHandler (CType (EditorElement, TrackBarEditorElement)). TrackPositionChanged, AddressOf TrackBarEditor_TrackPositionChanged
    End Sub

    Public Overrides Function EndEdit () As Boolean
      'RemoveHandler (CType (EditorElement, TrackBarEditorElement)). TrackPositionChanged, AddressOf TrackBarEditor_TrackPositionChanged
      Return MyBase.EndEdit ()
    End Function

    'Private Sub TrackBarEditor_TrackPositionChanged (ByVal sender As Object, ByVal e As EventArgs)
    'OnValueChanged ()
    'End Sub

    Protected Overrides Function CreateEditorElement () As Telerik.WinControls.RadElement
      CPOP Dim As New Telerik.WinControls.UI.RadPopupEditor
      Dim text As New Telerik.WinControls.UI.RadTextBoxControl
      Dim container As New Telerik.WinControls.UI.RadPopupContainer
      contenedor.PanelContainer.Controls.Add (text)
      texto.Dock = DockStyle.Fill
      texto.Text = "Hello"
      cpop.Name = "EditorPopUp"
      cpop.AssociatedControl = container
      Return cpop.PopupEditorElement 'Telerik.WinControls.UI.RadPopupEditorElement
    End Function
  End Class

Hello,

I use a hierarchical grid in my application.

I like to use an Excel like filter for the child rows, but the grid is filled with data by data binding or load on demand so the automatic filter selections are not provided by the grid. (See attached file). Now I like to manually add some filter checkboxes under the "All" checkbox, but I can't figure out how to achieve that.

I know this has to be done in the FilterPopupRequired event......

 

Thanks for Your help!

Regards

Ingo

My radGridView numerical columns have thousand separator so I have to put a ',' when I search the grid cells using search row. How can I setup the grid so its search cell has thousand separator when I am looking for numerical values?

My numerical columns values are 5 decimal point:

123.12345

123.1234

123.123

123.12

123.1

123

0.123

and so fourth...

Hi,

I recently read that self-referencing hierarchy is now supported by the radGridView.  Unfortunately, I have been unable to locate any demos, tutorials, or sample code to look at.  Is this information available?

Here is my current code that I'm working with:

Sample data would look like this:

ElementID -- ProtocolTemplateID -- ParentElementID -- ElementNumber -- ElementDesc
1 -- 1 -- 1 -- 1.0 -- ParentLevel1
2 -- 1 -- 1 -- 1.1 -- ChildLevel1
3 -- 1 -- 1 -- 1.2 -- ChildLevel2
4 -- 1 -- 4 -- 2.0 -- ParentLevel2

With my current code, this displays as:

Row 1
-- Row1
-- Row2
-- Row3
Row 2
Row 3
Row 4
-- Row 4

It should be:

Row 1
-- Row 2
-- Row 3
Row 4

Also, another problem is with the portion of code I have commented out.  This code causes a NullReferenceException error to be thrown and I don't know why.

 

If anyone could help me out with the above code, or even point me in the direction of some reading material, I would be very grateful.

Thanks,

Robert

I am facing issue with RadDateTimePicker.Is it possible to enter only two digit in the year part like if i enter 16 than it will be consider as 2016 not to enter 2016? If i enter 16 than it will consider as 2016 and if i enter 2016 than it will consider same 2016. please check below code i used for RadDateTimePicker

Public Sub New()
        Me.New()
        Me.CustomFormat = "MM/dd/yyyy"
        AddHandler Me.LostFocus, AddressOf radDateTimePicker1_LostFocus
        Me.Font = New System.Drawing.Font("Tahoma", 8.25!)
        Me.Format = System.Windows.Forms.DateTimePickerFormat.Custom
        Me.NullText = "  /   /"
        Me.Size = New System.Drawing.Size(80, 19)
        Me.Value = New Date(CType(0, Long))
        CType(Me.DateTimePickerElement.GetCurrentBehavior(), RadDateTimePickerCalendar).Calendar.FirstDayOfWeek = FirstDayOfWeek.Monday
        CType(Me.DateTimePickerElement.TextBoxElement.Provider, MaskDateTimeProvider).AutoSelectNextPart = True
    End Sub

Private Sub radDateTimePicker1_LostFocus(ByVal sender As Object, ByVal e As System.EventArgs)
        Try
            If (Me.Value = "#12:00:00 AM#" Or Date.MinValue = Me.Value.ToShortDateString() Or Me.Value.Year <= 1900) Then
                Me.NullableValue = Date.MinValue
                Me.NullText = "  /  /"
            End If
        Catch ex As Exception
        End Try
    End Sub