Questions on UI for WinForms Forum

1 answer

354 views

It would appear that the RadDateTimePicker does not have a ReadOnly property. I am aware that I can disable the control. A control that is disabled behaves differently than a control that is set to read only. The controls appearance is also different.

Is there a way to set the RadDateTimePicker to read only? if not then is there a work around to disable the control and make it appear as if it were read only? If not, then may I suggest that is a future version that you add read only functionality.

I find this interesting that the DateTimePicker that ships with VS also lacks a ReadOnly property.

Calendar, DateTimePicker, TimePicker and Clock

answered on 21 Apr 2010

1 answer

132 views

hierarchal Linq

Is hierarchal linq supported yet? If so are there any examples on how to do set upt the grid.

GridView

answered on 21 Apr 2010

2 answers

177 views

How to make a column read-only except for the new record

Requirements
RadControls version	2010.1.10.409
.NET version	4.0
Visual Studio version	2010
programming language	C#
browser support	all browsers supported by RadControls

PROJECT DESCRIPTION
I ran into the problem where I needed a column to be read-only after data was entered. In this case, the Zip Code could not change once it was entered by the user.

    
                    private void rgLocations_CellBeginEdit(object sender, GridViewCellCancelEventArgs e) 
        
                    { 
        
                        if (((GridViewDataColumn)this.rgLocations.CurrentColumn).UniqueName == "Zip Code" && 
        
                                                 this.rgLocations.CurrentRow.Cells["Zip Code"].Value != DBNull.Value) 
        
                        { 
        
                            e.Cancel = true; 
        
                            RadMessageBox.SetThemeName(this.ThemeName); 
        
                            RadMessageBox.Show("You cannot edit zip codes of an existing Location"); 
        
                        } 
        
                    }

GridView

answered on 21 Apr 2010

3 answers

159 views

How do you add a relative path to a local file?

I have read the following link and it shows including a relative path for an image.

http://www.telerik.com/help/winforms/tpfhtml-like_text_formatting.html

I tried the same for a link in the RadMessageBox and it does not work. I am trying to point to a .htm in my project. If I hard code the path it works fine.

MessageBox

answered on 21 Apr 2010

3 answers

315 views

image from chart

I would like to be able to create an image of a chart created in my application so that i can attach it to an email or save as an image for archiving. Can I create an image (bitmap,gif,jpeg,etc) object (System.Drawing.Image?) from the RadChart class with a given size or resolution (create an image of the chart scaled to 6"x9")?

Chart (obsolete as of Q1 2013)

answered on 21 Apr 2010

3 answers

249 views

[Solved] GridView is insane

I spent 3 hours trying to figure this out, i am sure it is something silly, but no matter what i try i am still stuck

why the button is not deleting the item in the grid?!!!

see code:

Form1.Designer.vb

                    <Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _         
            Partial Class Form1         
                Inherits System.Windows.Forms.Form         
                     
                'Form overrides dispose to clean up the component list.         
                <System.Diagnostics.DebuggerNonUserCode()> _         
                Protected Overrides Sub Dispose(ByVal disposing As Boolean)         
                    Try         
                        If disposing AndAlso components IsNot Nothing Then         
                            components.Dispose()         
                        End If         
                    Finally         
                        MyBase.Dispose(disposing)         
                    End Try         
                End Sub         
                     
                'Required by the Windows Form Designer         
                Private components As System.ComponentModel.IContainer         
                     
                'NOTE: The following procedure is required by the Windows Form Designer         
                'It can be modified using the Windows Form Designer.           
                'Do not modify it using the code editor.         
                <System.Diagnostics.DebuggerStepThrough()> _         
                Private Sub InitializeComponent()         
                    Me.RadGridView1 = New Telerik.WinControls.UI.RadGridView         
                    Me.RadButton1 = New Telerik.WinControls.UI.RadButton         
                    CType(Me.RadGridView1, System.ComponentModel.ISupportInitialize).BeginInit()         
                    CType(Me.RadGridView1.MasterGridViewTemplate, System.ComponentModel.ISupportInitialize).BeginInit()         
                    CType(Me.RadButton1, System.ComponentModel.ISupportInitialize).BeginInit()         
                    Me.SuspendLayout()         
                    '         
                    'RadGridView1         
                    '         
                    Me.RadGridView1.Location = New System.Drawing.Point(0, 0)         
                    Me.RadGridView1.Name = "RadGridView1"         
                    Me.RadGridView1.Size = New System.Drawing.Size(240, 150)         
                    Me.RadGridView1.TabIndex = 0         
                    '         
                    'RadButton1         
                    '         
                    Me.RadButton1.AllowShowFocusCues = True         
                    Me.RadButton1.Location = New System.Drawing.Point(12, 213)         
                    Me.RadButton1.Name = "RadButton1"         
                    Me.RadButton1.Size = New System.Drawing.Size(75, 23)         
                    Me.RadButton1.TabIndex = 1         
                    Me.RadButton1.Text = "RadButton1"         
                    '         
                    'Form1         
                    '         
                    Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)         
                    Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font         
                    Me.ClientSize = New System.Drawing.Size(284, 262)         
                    Me.Controls.Add(Me.RadButton1)         
                    Me.Controls.Add(Me.RadGridView1)         
                    Me.Name = "Form1"         
                    Me.Text = "Form1"         
                    CType(Me.RadGridView1.MasterGridViewTemplate, System.ComponentModel.ISupportInitialize).EndInit()         
                    CType(Me.RadGridView1, System.ComponentModel.ISupportInitialize).EndInit()         
                    CType(Me.RadButton1, System.ComponentModel.ISupportInitialize).EndInit()         
                    Me.ResumeLayout(False)         
                    Me.PerformLayout()         
                     
                End Sub         
                Friend WithEvents RadGridView1 As Telerik.WinControls.UI.RadGridView         
                Friend WithEvents RadButton1 As Telerik.WinControls.UI.RadButton         
            End Class         
                     

Form1.vb

                    Imports Telerik.WinControls         
            Public Class Form1         
                Private ModuleName As String = "Form1"         
                Private list As New ArrayList()         
                     
                Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load         
                    AddColumns()         
                    FillDevelopmentItem()         
                End Sub         
                Private Sub FillDevelopmentItem()         
                     
                    list.Add(New RGItem(1, False, "Development Fees", 1, 0.75D))         
                    list.Add(New RGItem(2, True, "15x18", 4, 5.75D))         
                    RadGridView1.DataSource = list         
                End Sub         
                Private Sub AddColumns()         
                    Dim xCol As UI.GridViewDataColumn         
                    With RadGridView1         
                        .MasterGridViewTemplate.AllowAddNewRow = False         
                        .DataSource = Nothing         
                        .GridElement.BeginUpdate()         
                     
                        .MasterGridViewTemplate.Columns.Clear()         
                        xCol = New UI.GridViewTextBoxColumn("ID", "P_DP_Detail_ID")         
                        xCol.VisibleInColumnChooser = False         
                        xCol.IsVisible = False         
                        xCol.AllowSort = False         
                        xCol.AllowResize = False         
                        .MasterGridViewTemplate.Columns.Add(xCol)         
                     
                        'xCol = New UI.GridViewCommandColumn("Delete", "ShowDel")         
                        xCol = New UI.GridViewDataColumn("Delete", "ShowDel")         
                        xCol.VisibleInColumnChooser = False         
                        xCol.IsVisible = True         
                        xCol.AllowSort = False         
                        xCol.AllowResize = False         
                        .MasterGridViewTemplate.Columns.Add(xCol)         
                     
                        xCol = New UI.GridViewTextBoxColumn("Description", "MeasureDescription")         
                        xCol.VisibleInColumnChooser = False         
                        xCol.IsVisible = True         
                        xCol.AllowSort = False         
                        xCol.AllowResize = False         
                        .MasterGridViewTemplate.Columns.Add(xCol)         
                     
                        xCol = New UI.GridViewDecimalColumn("Count", "P_DP_Detail_Count")         
                        xCol.VisibleInColumnChooser = False         
                        xCol.IsVisible = True         
                        xCol.AllowSort = False         
                        xCol.AllowResize = False         
                        .MasterGridViewTemplate.Columns.Add(xCol)         
                     
                        xCol = New UI.GridViewDecimalColumn("Total", "TotalAmount")         
                        xCol.VisibleInColumnChooser = False         
                        xCol.IsVisible = True         
                        xCol.AllowSort = False         
                        xCol.AllowResize = False         
                        .MasterGridViewTemplate.Columns.Add(xCol)         
                     
                        '.Columns(GridCols.enDesc).Width = 220         
                        '.Columns(GridCols.enCount).Width = 150         
                        '.Columns(GridCols.enTotal).Width = 150         
                     
                        .GridElement.EndUpdate()         
                    End With         
                          
                End Sub         
                Private Class RGItem         
                    Private _P_DP_Detail_ID As Integer = 0         
                    Private _ShowDel As Boolean = True         
                    Private _MeasureDescription As String = String.Empty         
                    Private _P_DP_Detail_Count As Integer = 1         
                    Private _TotalAmount As Decimal = 0D         
                    Private _Notes As String = String.Empty         
                     
                    Public Property P_DP_Detail_ID() As Integer         
                        Get         
                            Return _P_DP_Detail_ID         
                        End Get         
                        Set(ByVal value As Integer)         
                            _P_DP_Detail_ID = value         
                        End Set         
                    End Property         
                     
                    Public Property ShowDel() As Boolean         
                        Get         
                            Return _ShowDel         
                        End Get         
                        Set(ByVal value As Boolean)         
                            _ShowDel = value         
                        End Set         
                    End Property         
                     
                    Public Property MeasureDescription() As String         
                        Get         
                            Return _MeasureDescription         
                        End Get         
                        Set(ByVal value As String)         
                            _MeasureDescription = value         
                        End Set         
                    End Property         
                     
                    Public Property P_DP_Detail_Count() As Integer         
                        Get         
                            Return _P_DP_Detail_Count         
                        End Get         
                        Set(ByVal value As Integer)         
                            _P_DP_Detail_Count = value         
                        End Set         
                    End Property         
                     
                    Public Property TotalAmount() As Decimal         
                        Get         
                            Return _TotalAmount         
                        End Get         
                        Set(ByVal value As Decimal)         
                            _TotalAmount = value         
                        End Set         
                    End Property         
                     
                    Public Property Notes() As String         
                        Get         
                            Return _Notes         
                        End Get         
                        Set(ByVal value As String)         
                            _Notes = value         
                        End Set         
                    End Property         
                     
                    Public Sub New(ByVal iID As Integer, ByVal iShowDel As Boolean, ByVal iMeasureDescription As String, ByVal iCount As Integer, ByVal iTotal As Decimal)         
                        P_DP_Detail_ID = iID         
                        ShowDel = iShowDel         
                        MeasureDescription = iMeasureDescription         
                        P_DP_Detail_Count = iCount         
                        TotalAmount = iTotal         
                    End Sub         
                End Class         
                     
                Private Sub RadButton1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadButton1.Click         
                    RadGridView1.Rows.RemoveAt(0)         
                End Sub         
            End Class         
                     

GridView

answered on 21 Apr 2010

1 answer

165 views

RibbonBar RadDropDownButtonElement Problem

Hello!
I have some problems with RadDropDownButtonElements when using them in the RibbonBar control.
1st - I can´t expand the dropdown list of elements by clicking on the arrow at the design time, only at the run time.
2nd - The "imageList" option doesn´t appear in the dropDownButton properties windows so I need to add images one by one for each element in my buttondropdown list.
3nd - the "column" where images are supposed to appear in the dropdown list of the DropDownButtonElement is always empty, so there is some kind of an empty tab on the left side of the list and then the image is represented followed by the text.
4th - Alsou can´t align text to left - it is always centered for any option I choose in the property window.

But everything works just fine (all 3 issues) since I'm using RadMenuDropDownButton out of ribbonBar.
Best Regards

RibbonBar

answered on 21 Apr 2010

1 answer

140 views

[Solved] Hiding TabItem Menu

Hello,

I want to ask, if there is a way to change or disable the context menu that is shown when a tab item header is clicked with right mouse button. You can see the menu in the attached image.

Thanks,
Burhan Eyimaya

Tabstrip (obsolete as of Q2 2010)

answered on 21 Apr 2010

1 answer

170 views

[Solved] Disable TabItem Menu

Hello,

I want to ask, if there is a way to change or disable the context menu that is shown when a tab item header is clicked with right mouse button. You can see the menu in the attached image.

Thanks,
Burhan Eyimaya

Tabstrip (obsolete as of Q2 2010)

answered on 21 Apr 2010

1 answer

490 views

How to set focus on radio button inside a panel

I'm trying to set the focus to the first control on my screen, which is a radio button inside a RadPanel. When I try button.focus() or button.select(), nothing happens. If I set the focus to a text box not inside a panel, it works fine.

Panel

answered on 21 Apr 2010