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1 answer
787 views

Hi,

My program was originally using a different grid but we are now changing over to radgridview, on several of our grids you enter an ID in the first column and it runs a  function to get the rest of the information such as Description e.t.c . I am trying to use EndEdit to call the function to get the part but its default functionality is to re-populate the ID ,is there a way to repopulate the Cell the user has just finished editing,I am using VB.Net. The function must be called once the part has been entered

 

Dess | Tech Support Engineer, Principal
Telerik team
 answered on 06 Jul 2018
1 answer
112 views

     The Waterfall series does not seem to handle negative values always correctly.

Sometimes the waterfall does not go lower than 0. But sometimes it does.

Maybe the documentation on how , whether and why to add SumPoints and TotalPoints is somewhat incomplete.

var ws = new WaterfallSeries();
ws.DataPoints.Add(new Telerik.Charting.WaterfallDataPoint(1.0, false, false));
ws.DataPoints.Add(new Telerik.Charting.WaterfallDataPoint(2.0, false, false));
ws.DataPoints.Add(new Telerik.Charting.WaterfallDataPoint(3.0, true, false));
ws.DataPoints.Add(new Telerik.Charting.WaterfallDataPoint(-10.0, false, false));

if I have just this, it comes out like in picture "withoutEnd".

It does not end up with -7, as I would expect. Ist just ends with 0.

When I add a Total Point at the end

ws.DataPoints.Add(new Telerik.Charting.WaterfallDataPoint(-10.0, false, true))

The display changes, but the total is not display, and it's still all wrong.

When I add a Summary Point at then end

ws.DataPoints.Add(new Telerik.Charting.WaterfallDataPoint(-10.0, true, false))

The result becomes correct. (The left axis is starting at -8)

 

So I can find a solution that works for me.
But I'm not sure, do I missread the (rare) documentation,

or may be there is a bug in the display algorhithms.

 

 

 

 

 

 

 

Dimitar
Telerik team
 answered on 06 Jul 2018
16 answers
821 views
Hello,

We've got a chart that needs to display a couple different series types. All of values (thresholds, measurements) in a time domain.

First is a series of thresholds. Probably the closest series type that will work for us is a BarSeries. These should go on the chart first and chart in the background (or possibly bring them to front, i.e. if corresponding conditions are being edited, type thing).

Second is a series of measurements. We're currently doing this using LineSeries. The only thing I can say about this is, how are we able to treat X-axis values as values instead of categories? For instance, would be great to show the X-axis time domain as seconds (or divisions of milliseconds) and so on.

Thank you.

Regards,

Michael Powell
Hristo
Telerik team
 answered on 06 Jul 2018
7 answers
212 views

If I make all GridItems invisible, then the plus sign remains in RadPropertyGrid for Font item.

Example:

    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            Make();
        }

        private void Make()
        {
            radPropertyGrid1.SelectedObject = new Item();
            foreach (var item in radPropertyGrid1.Items)
            {
                if (!(item.Value is Font)) continue;
                foreach (var subItem in item.GridItems)
                {
                    subItem.Visible = false;
                }
            }
        }

        public class Item
        {
            [DisplayName("Font"), Category("Font")]
            public Font Id { get; set; }

            public Item()
            {
                Id = new Font("Arial", 12, FontStyle.Regular);
            }
        }

    }

 

 

Dimitar
Telerik team
 answered on 06 Jul 2018
7 answers
134 views

Hi, I'm having problems with Saving/Loading layouts.

I'm saving automatically the layout of all my tables to XML files, with "SaveLayout" method, I don't do anything additional.

When the application starts, all that XML files saved, are loaded with "LoadLayout" method. I don't know why, but in some cases, I'm getting this error on LoadLayout:

 

NotSupportedException ocurred.

Exception thrown: 'System.NotSupportedException' in System.dll

Additional information: CultureInfoConverter cannot convert from (null).

 

I've tried to reduce the structure of the table doing it simpler, (decreasing the number of columns, and removing hierarchy), but I'm getting the same error.

Thanks in advance.

Hristo
Telerik team
 answered on 05 Jul 2018
1 answer
94 views
I'm confused about context groups. I thought if I create a Context group and add 2 groups, then when I click on the Context name it will merge the 2 groups into the one 'context'. But instead it's just displaying each tab normally, except for coloured highlighting.
Hristo
Telerik team
 answered on 05 Jul 2018
9 answers
338 views

Hello ,

how to add new controls in Rad item collection editor,I have list of controls but i need to add RadCheckedDropdownList in collection and use it in RadRibbonTab of RadRibbonForm.

Thanks in Advance.

Dess | Tech Support Engineer, Principal
Telerik team
 answered on 05 Jul 2018
10 answers
376 views
Hi,

We have a RadTreeView in our RadDropDownList based on the sample found here:
http://www.telerik.com/community/forums/winforms/combobox-and-listbox/treeview-in-dropdown.aspx

But we seem to have some issues with it:

If the 'Arrow Button' is clicked while the popup is open, then the 'arrow button' gets stuck as if it's still pressed but the popup itself is not showing. Once in this mode, any further clicks on the arrow button will display the popup and immediately close it again.
This behavior is also reproducible in the sample attached in the forum post.

I hope anyone has a way of getting around this.

Thank you in advance.

Carsten.
Gilbert
Top achievements
Rank 1
 answered on 05 Jul 2018
161 answers
1.2K+ views
Hello guys,

This thread will be used to post the latest online resources available:

RadDock
Using Singleton forms in MDI scenario with RadDock
Explains the case of singleton in RadDock

Docking 'Singleton' forms in RadDock 
Due to high demand of a singleton scenario with RadDock, we have created and article which explains how it can be achieved:


CodedUI

Build stronger applications with Coded UI Tests for WinForms. Today. 
All four levels of CodedUI are not supported by RadControls for WinForms

Overview of CodedUI support 
Get a basic idea of what is CodedUI

Requirements of CodedUI 
See what are the prerequisited to start using CodedUI

Getting started with CodedUI 
A tutorial explaining how to get started with CodedUI - how to record your first test

Supported controls and actions 
A list with all controls and actions supported by the controls. This list will be updated with the time.


Dess | Tech Support Engineer, Principal
Telerik team
 answered on 04 Jul 2018
6 answers
1.6K+ views
Hi all,

am having a Radgridview with four columns, one of the column  i made as a linklabel, when i do a mouse over i should get the hand cursor, only for that particular  column.... please assist   waiting for your reply......

Thanks in Advance,
Dev.
Dess | Tech Support Engineer, Principal
Telerik team
 answered on 04 Jul 2018
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