Questions on UI for WinForms Forum

18 answers

467 views

Should I stop using Telerik until the bugs are worked out?

What's everyone's experience with the Telerik controls?

I'm seriously getting bogged down with too many bugs with the Telerik controls. While Telerik is right on top of these bugs and has offered to give me immediate support, in the interest of time, I'm really thinking of removing all the Telerik controls and sticking with the basic Microsoft ones.

We mainly bought these controls for Web Apps anyway. I just thought, hey I'll use Telerik ones for WinForms too... well I'm starting to regret that as I see constant errors popping up in design mode. Things that are causing me to have to re-create entire forms. Well, I've gotten smarter and started to use a lot of user controls, so I'm not losing much time by deleting and dropping the control back on the form if something screws up.

I also think the designer in VS.NET is partly to blame too -- and my need to use TableLayoutPanels and SplitContainers, which seem to make things disappear -- and don't even try to rename these!

General Discussions

answered on 29 Oct 2007

3 answers

1.3K+ views

Can we modify the look and feel of the trackbar

Hi All,

I have a requirement to have a track bar which should be a straight line and the slider should be round in shape.
Currently the track bar provide scales and the slider is rectangular.
Is there any way to change the appearance of the trackbar?

Thanks again in advance for your help.

-Barkha

TrackBar

answered on 29 Oct 2007

3 answers

126 views

Formatting Issue with Summaries Items in Girdview

Hi Telerik,

I am Q2 version of telerik it has summaries items feature.
First I group by shipcity as explain in example then summaries other items and display style Top.
It shows result like
Shipcity (as a group by) Then in the next line it gives summary of items followed by items.

Here is my question:
Is it possible to display summary of Items in the same line of groupby row insted of next line?

Please provide solution

Thanks
Sushil

GridView

answered on 29 Oct 2007

4 answers

205 views

problem formatin row

Hi
I have strange problem.
I put a radGridView and bind it to collection.
2 added Columns need to format so I handle "RowFormating" and format them there.
another thing is that i want to do some actions when a row Double clicked so i add a delegate there.
here is some code :

  void GrvUsers_RowFormatting(object sender, RowFormattingEventArgs e) 
        { 
                e.RowElement.RowInfo.Cells["Disable"].Value = ((bool)(e.RowElement.RowInfo.DataBoundItem as User).Claims["Disable"]) ? "Disable" : "Enable"; 
                e.RowElement.RowInfo.Cells["Id"].Value = (e.RowElement.RowInfo.DataBoundItem as People).Claims["Id"]; 
                e.RowElement.DoubleClick += delegate(object sender1, EventArgs e1) 
                { 
                    _presenter.EditUserAccunt((e.RowElement.RowInfo.DataBoundItem as User).UserName); 
                }; 
        } 

this code work correctly but I deed some cosmetic changes and now it throw that exception:"Collection was modified; enumeration operation may not execute."

if I keep going it's render the grid very tight to left, if I change the general size of the window it's automatically render correct...

any ideas
thanks.
Adiel

GridView

answered on 29 Oct 2007

1 answer

674 views

Current row index

Hi Telerik,

What should i use to get current row index? So if i click on the first row it should return 0

THanks

GridView

answered on 29 Oct 2007

3 answers

132 views

Doubt about Components and WPF

Hi,

I like your components look and feel, and it look almost like WPF (windows presentation foundation). But, now i have this doubt, are you planning to develop some component suite for wpf, or could this components be modified to make compatibles with WPF.

Thanks and Regards..

General Discussions

answered on 28 Oct 2007

3 answers

101 views

Crash with SP2

This thread seems to have disappeared. Is there a fix as the work around you posted does not prevent the crash.

From: telerik
Date: 10/17/2007 10:31:13 AM

Hello John,

Thank you for contacting us. This behavior will be corrected for the upcoming release.

The issue you are experiencing is caused when items are added in a BeginUpdate / EndUpdate block. In your case that happens when the datasource is changed. For the time being, please, move the line:

radGridView1.DataSource = m_dataTable;

after the following line:

radGridView1.GridElement.EndUpdate();

If you have any additional questions, please do not hesitate to contact us.

Sincerely yours,
Evtim
the Telerik team

Instantly find answers to your questions at the new Telerik Support Center

From: johns
Date: 10/17/2007 9:54:37 AM

I've had some code that binds a grid to a DataTable. Periodically the DataTable is rebuilt and fields are added or removed based on what is available from a query. I've distilled the crash to the following code. This used to work fine prior to upgrading to SP2. Is there somthing I am overlooking or is there a bug in the new RadGridView.

public partial class Form1 : Form

{

public Form1()

{

InitializeComponent();

}

private void radButton1_Click(object sender, EventArgs e)

{

radGridView1.GridElement.BeginUpdate();

radGridView1.DataSource = null;

radGridView1.MasterGridViewTemplate.Columns.Clear();

radGridView1.Rows.Clear();

// Rebuild DataTable and Grid based on changes

GridViewTextBoxColumn column1 = new GridViewTextBoxColumn("C1 Text");

column1.DataField = "C1 Text";

column1.Width = 90;

GridViewTextBoxColumn column2 = new GridViewTextBoxColumn("C2 Text");

column2.DataField = "C2 Text";

column2.Width = 130;

column2.DataType = typeof(DateTime);

radGridView1.MasterGridViewTemplate.Columns.Add(column1);

radGridView1.MasterGridViewTemplate.Columns.Add(column2);

/*

*..... Add other Fields to Table and Grid based on available Data.

*/

m_dataTable.Clear();

m_dataTable.Columns.Clear();

m_dataTable.Columns.Add("C1 Text", typeof(String));

m_dataTable.Columns.Add("C2 Text", typeof(DateTime));

radGridView1.DataSource = m_dataTable;

radGridView1.GridElement.EndUpdate();

radGridView1.Update();

}

DataTable m_dataTable = new DataTable("TheData");

}

GridView

answered on 28 Oct 2007

2 answers

67 views

On maximising the form the radPanelBarButtonElement doesnot adjust to the new screen size

Hi All,

I have placed the PanelBar inside the microsoft FlowLayoutPanel whose main property is to adjust the size of the controls whenever form is maximised or reszied mannually.

Now I am not able to control the automatic resizing of the radButtonElement inside the radPanelBarGroupElement. However the whole panel bar adjust automatically.
So on resize of the form the items under groupelement remain unproportionate and doesnot expand or contract automatically .

Can you please throw some light on this issue?

Thanks
barkha

Panelbar (obsolete as of Q2 2010)

answered on 25 Oct 2007

2 answers

113 views

Theme Builder closes when trying to edit a saved theme

Hello there,

i am using the newest build of the radwindows controls. i have a theme in my resouces but when i try to open it so i can edit it the theme builder closes on me. is there a way we can get this working? since it is such a pain to apply themes to the controls i would love to use my theme i already have created and applied. i also get an opacity error (opacity not a known element - i commented it out since i do not need to use it necessarily) but it would be great to have this working also.
thanks!

Themes and Visual Style Builder

answered on 25 Oct 2007

1 answer

133 views

problem with editing a theme

I added a custom theme to a panelbar control. I wanted to change something in it. I opened up the theme in the theme builder and changed some stuff. I tried to save and got an error message, so I saved it under a different name. I deleted the old theme file and theme manager. I created a new theme manager. I changed the property on the new theme to embedded resource, added it as a resource, and added it to my new theme manager. The panelbar control still lists the old theme under the themeName properties and it did not list my new theme until I added it as a file to the theme manager. Now it lists both themes. I tried changing the theme manager to have this file be a resource instead of a file, but the panelbar control will only display the theme if it's a file (not a resource.) How do I get rid of old themes then add new ones properly?

Thanks,
Kerri

Themes and Visual Style Builder

answered on 25 Oct 2007

	void GrvUsers_RowFormatting(object sender, RowFormattingEventArgs e)
	{
	e.RowElement.RowInfo.Cells["Disable"].Value = ((bool)(e.RowElement.RowInfo.DataBoundItem as User).Claims["Disable"]) ? "Disable" : "Enable";
	e.RowElement.RowInfo.Cells["Id"].Value = (e.RowElement.RowInfo.DataBoundItem as People).Claims["Id"];
	e.RowElement.DoubleClick += delegate(object sender1, EventArgs e1)
	{
	_presenter.EditUserAccunt((e.RowElement.RowInfo.DataBoundItem as User).UserName);
	};
	}