Questions on UI for WinForms Forum

5 answers

278 views

Does Winform Chart control have 3D graph rendering support?

Hi Telrik,

I'm in process of evaluating the suitability of the telerik UI component particularly the Chart control. As per our requirement, we need to render different types of 2D and 3D charts. I know the WPF chart control best suits this requirement, but WinForm chart control is of more interest to me because of its inticipated ease of integration with my application. The problem is - I can't find a way to render 3D
charts with Winform chart control. Some links in this forum also suggests that Winform chart control
does not support 3D chart rendering.
http://www.telerik.com/community/forums/winforms/chart/suggestion-3d-chart.aspx
http://www.telerik.com/community/forums/winforms/chart/3d-graph.aspx

Does this(WinForm chart control not supporting 3D graphs) holds true even now? If yes, would it be possible to fix this in near future? If this is already fix, could you please provide a sample test application that demonstrate 3D chart rendering using WinForm Chart?

kind regards
Santosh

Chart (obsolete as of Q1 2013)

answered on 16 Aug 2011

3 answers

340 views

Customizing the Metro theme

I would like to change the colors in the metro theme for winforms but I can't find any documentation on it.

Help?

Thanks,
David

Themes and Visual Style Builder

answered on 16 Aug 2011

5 answers

129 views

Problems setting % to SeriesItem.Name

Hello ... i'm taking some problems to set the % to the SeriesItem.Name,

It doesn't change to the % value when my graphic renders.

i also set the ActiveRegion.Tooltip and Label.TextBlock.Text from SeriesItem as the same, but it doesn't work for the Name.

protected void RadChart1_ItemDataBound(object sender, Telerik.Charting.ChartItemDataBoundEventArgs e)

{

e.SeriesItem.Label.TextBlock.Appearance.TextProperties.Font = new System.Drawing.Font("Arial",

10, System.Drawing.FontStyle.Bold);

DataRowView row = e.DataItem as DataRowView;

e.SeriesItem.Label.TextBlock.Text = string.Format("{0} - #%", row["DS_PRODUTO"]);

e.SeriesItem.ActiveRegion.Tooltip = string.Format("{0} - #%", row["DS_PRODUTO"]);

e.SeriesItem.Name = string.Format("{0} - #%", row["DS_PRODUTO"]);

}

is it a bug? limitation? my mistake?

Could anyone help me?

Chart (obsolete as of Q1 2013)

answered on 16 Aug 2011

10 answers

693 views

Hide Filter for some columns

Hi I'm using a RadGridView, i want use a filter but not for all columns, how can i hide this for someone columns? Thanks

GridView

answered on 16 Aug 2011

2 answers

130 views

Radscheduler Refreshing

Hello,
I'm using the radScheduler Q1 2011 in a proffessional project, and I have a big problem. The Scheduler can't refresh after updating data.
I have tried many tricks but there is no way, it does'nt works.
How can I refresh my scheduler??, please help!!.
thank you

Scheduler and Reminder

answered on 16 Aug 2011

5 answers

708 views

Can We User LINQ work on GridView's GridViewRowCollection?

I wanted to see if I can use LINQ on RADGridView's GridViewRowCollection (Telerik.Wincontrols.UI.GridViewRowCollection).

So I tried the following VB.NET code and got an error:

Dim lockedRows = _

From row In Me.dgTotalCosts.Rows _

Where row.Cells("colLocked").Value = True

Select New With {.Code = row.Cells("colCode").Value, _

.Description = row.Cells("colDesc").Value}

... when I then tried to check the value of lockedRows.Count. So i tried changing it around a little bit to:

Dim lockedRows As IEnumerable(Of Telerik.WinControls.UI.GridViewRowInfo) = _

From row As Telerik.WinControls.UI.GridViewRowInfo In Me.dgTotalCosts.Rows _

Where row.Cells("colLocked").Value = True

Select New With {.Code = row.Cells("colCode").Value, _

.Description = row.Cells("colDesc").Value}

But then got the following error (which I've somewhat abbreviated for briefness):

Unable to cast object of type 'WhereSelectEnumerableIterator'2[Telerik.WinControls.UI.GridViewRowInfo, VB$AnonymousType_0'6
[System.Object, ...]]' to type 'System.Collections.Generic.IEnumerable'1[Telerik.WinControls.UI.GridViewRowInfo]'.

So, the first question is, can I use LINQ on GridView's GridViewRowCollection. Secondly, if so, how (can you show me using my example code, above, where I'm trying to pull out the locked rows from a GridView (

Telerik.WinControls.UI.

RadGridView

)?

Thanks in advance for your help from a LINQ and RADGridView Newbie.

GridView

answered on 16 Aug 2011

4 answers

325 views

formatting row in hierarchical RadGridView

Hello all,
I am using a hierarchical RadGridView with 3-level and I would like that the rows of 2nd level and the rows of 3rd level that meet a search criteria (such as the Notes column contains the value "perizia") appear with a different backcolor.
I have used, as described in the manual online, the event radGridView_RowFormatting (object sender, RowFormattingEventArgs e) but while I scroll the ChildRows collection I lose the information about the class Telerik.WinControls.UI.GridDataRowElement essential to allow formatting the row read.
How can I do to get this highlighting ?

Best regards,
Mauro Fiore

GridView

answered on 16 Aug 2011

3 answers

174 views

Can Width of Drop-Down Listbox Be Changed for GridViewMultiComboBoxColumn within a GridView?

I have a GridViewMultiComboBoxColumn (width: 175) within a GridView (width: 500). The GridViewMultiComboBoxColumn's DataSource is set to the result of a query selecting several columns (id, name, city, state). The GridViewMultiComboBoxColumn dislays multiple columns when the user clicks on the drop-down arrow. Since the GridViewMultiComboBoxColumn is made up of several columns (id, name, city, state), when the drop-down arrow is clicked on, and the listbox drops down, the column width of the GridViewMultiComboBoxColumn (175) is rather narrow and its hard to see the information contained in the columns.

Is it possible to change the width, currently 175, of the listbox that drops down for a GridViewMultiComboBoxColumn contained within a GridView, yet keep the width of the column (175) within the GridView without changing? If so, can you show me with code.

In other words, can I keep the control's width at 175, before and after the user clicks the drop-down arrow, but make it much wider, when they click on the drop-down arrow and the drop-down portion (or listbox aspect) of the GridViewMultiComboBoxColumn is accessible?

GridView

answered on 15 Aug 2011

9 answers

424 views

RadGridView ColumnGroup

Hi again

(A barrage of questions today!)

When creating a custom column grouping via ColumnGroupsViewDefinition, I noticed a few things that puzzled me:-

-I could no longer move columns around or use the columnchooser

-I'm unable to provide different right-click context menus for data and "sub" header cells. (Subgroup headings they do not register as GridHeaderCellElement or GridHeaderRowElement but appear to be GridDataCellElement)?

-I can only "pin" the main headings

I suspect a lot of that is by design, but if there are any avenues that I could use to enable a user to select what columns or even columngroups that they wish to see without losing the nice multi-row headings, it would be great!

Regards,

Mike

GridView

answered on 12 Aug 2011

1 answer

127 views

How do I refresh my treeview?

Hi,

My radtreeview is loaded from a Oracle dataset. How do i refresh it to catch up with any changes that may have been made to the database?

Can you please include an example.

Treeview

answered on 12 Aug 2011