Questions on UI for WinForms Forum

1 answer

312 views

Default Backcolor for Button Fill Element

Hello,

I am using a lot of Rad buttons in my application. I change the back color of the buttons based on some conditions the following code:

.ButtonFillElement.BackColor = Color.LightGreen;
.ButtonFillElement.GradientStyle = Telerik.WinControls.GradientStyles.Solid;
.ForeColor = Color.Black;

My questions is how do i set these properties back to the default ones within code. I want the buttons to get the default theme of the application when the condition turns false.

Thanks,
Pawan

General Discussions

answered on 10 Aug 2011

3 answers

169 views

Problem with ColumnGroupsViewDefinition - row height.

Hello,
I implemented ColumnGroupsViewDefinition for my Grid (the same code in Telerik Q3 Demos - Grid View), but it's change RowHeight. I try to change f.e:

this.CollectionGrid.TableElement.RowHeight = 30;



this.CollectionGrid.TableElement.GroupHeaderHeight = 30;

             

this.CollectionGrid.TableElement.FilterRowHeight = 30;

                

this.CollectionGrid.TableElement.TableHeaderHeight = 30;

but it's not work. What is more i have problem with correctly filling header rows (screenshot- I deleted data).
Thanks for help.

GridView

answered on 10 Aug 2011

1 answer

158 views

RadComboBox does not show focus ques

I have several RadComboBoxes (Q2 2010). I have AllowShowFocusQues set to True, TabStop set to true & DropDownStyle set to DropDownList.

When I tab onto the field there is no change in the appearance of the combo box. I know I have focus because I can use the arrow keys to move through the list. I would have thought may do something like the DropDownList or button with a dotted box just inside the control's border.

The list does include a blank item that is shown initially. However even if I select a different item from the list, tab off and then back to the combo box there is no indication that the combo has focus.

Thanks!

Howard

ComboBox and ListBox (obsolete as of Q2 2010)

answered on 09 Aug 2011

1 answer

143 views

GridViewComboBoxColumn linked to an entity (entity framework 3.5)

Hi

I have created a GridViewComboBoxColumn using entity framework 4.0. I have attached the code that I have used that works fine.
I would like to know how I would get the same result when using entity framework 3.5. I have attached the entity that the grid is bound to.

Thanks
Celeste

GridView

answered on 09 Aug 2011

1 answer

230 views

How to change 'Visibility' programmatically

Hi,
You have introduced a new property called 'Visibility.' How do you change that value programmatically? I would like to change it: lets say from initially 'Hidden' to 'Visible' in code.

Thank you,
Karl

RichTextBox (obsolete as of Q3 2014 SP1)

answered on 09 Aug 2011

2 answers

282 views

Add dynamic control in dynamic form

Hi,
I am creating a dynamic form and after adding dynamic controls but i receive this message (" The best overloaded method match for 'System.Windows.Forms.Control.ControlCollection.Add(System.Windows.Forms.Control)' has some invalid arguments ")
and (" cannot convert from 'Telerik.WinControls.UI.RadGroupBox' to 'System.Windows.Forms.Control' ")

Here is the code:

Form frm = new Form();

RadGroupBox groupb = new RadGroupBox();

frm.Controls.Add(groupb);

Can you help me?

Form

answered on 09 Aug 2011

3 answers

237 views

Memory Leaks

Hello,
We have a problem using the telerik controls on a form, a memory occupied problem, but never freed, the form uses the following controls:
• 3 DataTable.
• 1 DataSet.
One of the DataTable is populated with 10,000 records and the other 2 with 5 records, more records DataTable is populated as follows:

dtDataTable.Add("Ide", typeof(int));

dtDataTable.Columns.Add(

"Nom", typeof(string));

foreach (Objeto oObjeto in ArrayObjetos)

{

DataRow drRow = dtDataTable.NewRow();

drRow [

"Ide"] = oObjeto .Ide;

drRow [

"Nom"] = oObjeto.Name + " " + oObjeto.LastName;
dtDataTable.Rows.Add(drRow );

}

The 15 MB memory increases by this load but the release (close) is in use 8 MB of those 15.
The Close () the form we make the following:

if(dtDataTable != null)

dtDataTable.Clear();

dtDataTable=

null;

if(dtDataTable1 != null)

dtDataTable1.Clear();

dtDataTable1=

null;

if(dtDataTable2 != null)

dtDataTable2.Clear();

dtDataTable2=

null;

The question is, We are releasing resources correctly or the problem may be the way I'm filling?
Thank you very much.

is in use 8 MB of those 15.The Close () the form we make the following:if;if;if;

General Discussions

answered on 08 Aug 2011

1 answer

110 views

Treeview with only one table

Hi All,
How can I see only one table in treeview, grouping the rows by a especific field.

Tks in advance,
Nelson

Treeview

answered on 08 Aug 2011

1 answer

191 views

Border & backgroundcolor RadScrollablePanel

I'm using the RadScrollablePanel in a DocumentWindow to have themable scrollbars when the content doesn't fit. Afaik the scrollbars of the DocumentWindow aren't themeable (yet).

Is it possible to have the panel to be "invisible", that is: disable border and backgroundcolor equal to the background color of the DocumentWindow?

General Discussions

answered on 08 Aug 2011

2 answers

116 views

Enums and Combobox

Hi,

What happen with the gridview and enums on the last release?
I've been using an custome made localized enum converter to convert my enums to the correct language.
I've used one of the gridcolumns to view this enum, but now (with the latest release) i get an converter error : "EnumConverter cannot convert from Jobmatch.EntityFramework.Entities.WorkdayTypeEnum."

This is the article i used when i created the LocalizedEnumConverter. http://www.codeproject.com/KB/cs/LocalizingEnums.aspx?msg=2281102

As i said, this worked nicely in the previous version of the GridView.

Regards
Svein Thomas

GridView

answered on 08 Aug 2011