Questions on UI for WinForms Forum

1 answer

531 views

Hello,

i need a solution, that the user only can make time inputs in 15 minute steps. For example:

08:00
08:15
08:30
....

Is there a opportuniy, special for the arrow keys, when he clicks on it and the minutes are chosen, that the tick is 15 minutes and not 1 minute?

Greets,
Shaggy

Calendar, DateTimePicker, TimePicker and Clock

answered on 05 Dec 2013

1 answer

81 views

appointments side by side in timeline

hello,
how to put the appointments side by side in timeline

cordially
Samuel

Scheduler and Reminder

answered on 05 Dec 2013

4 answers

69 views

How to reproduce this using the Hierarchy RadGrid

Hi,

I'm currently trying to reproduce the grid that is shwon in the ecran.jpg attachment.

I'm using the hierarchy grid view, but it doesn't seem to work when I try to do a hierarchy with more than 2 levels, the grid won't show the third level in my web app.

Do you have any insights on how to do a grid with more than 2 levels ?

Thanks in advance

GridView

answered on 05 Dec 2013

1 answer

78 views

Storing key or Taf with each node

I wish to add a key or a tag with each node (db record id) so when the user selects the node, I can retrieve the key or tag and go query the database.

Suggestions on how to store the key during node creation(node.add) and retrieval would be helpful

Treeview

answered on 05 Dec 2013

9 answers

170 views

How to print content?

Hi

How can i print the content of Richtextbox without using external apps? e.g. when no Word is installed on system?

Thanks for a hint
Daniel

RichTextBox (obsolete as of Q3 2014 SP1)

answered on 05 Dec 2013

4 answers

142 views

RadGrid sorting issue - column headers disappear on header checkbox click

Hi,

I am using a Telerik's GridView and experiencing the following issue:
Each row in the gridview has a checkbox, so does the header of the Gridview (to select or deselect all the rows).

There is sorting that works fine everytime I click on column headers.
But when I click on the checkbox in header to select or deselect all rows in the grid, the column headers disappear.

When I switch off the sorting functionality - checkbox works fine and headers are not missing.

When I switch on the sorting functionality, the sorting works fine when clicking on column headers, but again when clicking on header checkbox to select or deselct all rows - headers disappear.

I would appreciate any advice.

Thank you,
Tanya

GridView

answered on 05 Dec 2013

10 answers

519 views

image for command button

hi,

how can i set an image for a command cell / button?

using "e.CellElement.Image = My.Resources.file_doc" together with the cellformatting event handler as like for common cells doesn't work...

thanks,

andi

GridView

answered on 04 Dec 2013

2 answers

138 views

Removing Node corrupts TreeView

Hi,

I am using RadControls for WinForms Q1 2011 and Visual Studio 2012, Ultimate Edition to develop a .NET4.0 app.
The app uses RadTreeView for showing a very simple file system explorer and removes nodes in two cases:
1. On NodeExpandedChanged the event handler removes a dummy node representing a collapsed directory with a new node.

private void OnDirExpandedChanged(object sender, RadTreeViewEventArgs e)

{

if (e.Node.Expanded)

{

if (e.Node.FirstNode.Name == "____dummy____")

{

m_fileExplorer.BeginUpdate();

RadTreeNode l_parent = e.Node.Parent;

int l_nIx = e.Node.Index;

e.Node.Remove();

RadTreeNode l_new = CreateDirNode(new DirectoryInfo(e.Node.Name), true);

l_parent.Nodes.Insert(l_nIx, l_new);

l_new.Expand();

m_fileExplorer.EndUpdate();

}

} // OnDirExpandedChanged

This code works just fine.

2. On EventArrived fired by System.Management.ManagementEventWatcher upon CD insertion/ejection the event handler removes either a node representing the empty drive or a node representing the CD file system.
Currently I narrowed the code just to the attempt to remove a CD node

private void OnCdInsert(object sender, EventArrivedEventArgs e)

{

ManagementBaseObject l_wmiDevice = (ManagementBaseObject) e.NewEvent["TargetInstance"];

string l_sDriveRootDir = l_wmiDevice["Name"].ToString() + Path.DirectorySeparatorChar;

int l_nIx = m_fileExplorer.Nodes[0].Nodes.IndexOf(l_sDriveRootDir);

m_fileExplorer.Nodes[0].Nodes[l_nIx].Remove(); // (1)

m_fileExplorer.Nodes[0].Nodes.Remove(l_sDriveRootDir); // (2)

} // OnCdInsert

I tried different ways of removing the node, I tried wrapping the code with BeginUpdate()/EndUpdate(), I tried calling Invalidate() or Refresh() - the result is always the same
a) The node itself is still shown, although the debugger shows that the nodes count has decreased;
b) Expanding other nodes, e.g. a node representing C:\, does not work any more, i.e. the event is fired, but view remains unchanged.

Note: The only difference between the nodes removed in the cases #1 and #2 is that OnDirExpanded() removes only grandchildren or farther of the root node, while OnCdInsert() removes a child of the root node.

I am really lost and your help is my only hope now.

I am looking forward to your assistance and thank you in advance for it.

Best regards,

Treeview

answered on 04 Dec 2013

5 answers

664 views

RadGroupBox border problem

RadGroupBox shows a white border around the inner controls. i don't want the control to show the border. i have tried to find different ways but couldn't do it. here is a screenshot. you can see the white border here which i want to be removed.

is there any way to do it?

GroupBox

answered on 04 Dec 2013

2 answers

124 views

RowChanged Question

I am using the RowChanged event to determine when a row is added, deleted and modified.

Everything is working perfectly except that I only want to invoke the back-end service layer to apply my 'change' when the row is entirely updated instead after each cell.

If I use RowValidated or RowValidating I lose the state of the row (added, updated, deleted)..
Any advice is appreciated.

Winforms Telerik version: 2013.1.321.40

thanks

GridView

answered on 04 Dec 2013