Questions on UI for WinForms Forum

5 answers

148 views

Collapse Extended Area On QuickAccessToolbar Menu Item

Can anyone tell me how to get rid of the extended area next to the button as shown in red in the attached image?

RibbonBar

answered on 28 Aug 2020

2 answers

237 views

ThemeResolutionService TypeInitializationException in x64 application

I have a Telerik UI for WinForms application that builds and runs fine when targeting the x86 platform. As soon as I change the target platform to x64 the same application will build without issue, but the application will throw an exception when running in Debug mode, stopping on the ThemeResolutionService with a type initialization error. My application is using the 2020.2.616.40 version of the controls and .NET Framework 4.6.1. All application themes are set to "ControlDefault", so this should not be an issue.

General Discussions

answered on 28 Aug 2020

9 answers

139 views

raddiagram spacing

Hi Admin,

I would like to know same spacing between each diagram in below pic

Diagram, DiagramRibbonBar, DiagramToolBox

answered on 28 Aug 2020

2 answers

171 views

[Solved] Add SelfReferencing best fit column not working

Hi

I have a self referencing grid (using something like .Relations.AddSelfReference(.MasterTemplate, "ID", "IDParent")) and using .BestFitColumns() to automatically adjust columns width.

The ID column that contains (the column showing the hierarchy) is not adjusting for all the levels.

I needed to set the MinWidth property of the column to try to set a better width.

Is there something you can do?

GridView

answered on 27 Aug 2020

1 answer

195 views

Hide Row Headers

Hi, how can I hide the column of row headers in a VirtualGrid?

VirtualGrid

answered on 27 Aug 2020

1 answer

330 views

Multi-Line Header Texts

Can the behaviour of column header cell be changed to the following one?
When there is no space to display the whole header text, the text shall be wrapped so that it spreads over 2 (or more) lines.

(Initially now the text is cut off and 3 dots are added at the end.)

GridView

answered on 27 Aug 2020

1 answer

182 views

Multi-Line Header Texts

Can the behaviour of column header cell be changed to the following one?

When there is no space to display the whole header text, the text shall be wrapped so that it spreads over 2 (or more) lines.

(Initially now the text is cut off and 3 dots are added at the end.)

VirtualGrid

answered on 27 Aug 2020

3 answers

344 views

Add a filter to the command column in the RadGridView

Hi.

I have a RadGridView object named rgvLinkList that contains a GridViewCommandColumn. I use a table that is read from an Access database as the data source (but I don't show all the columns in the database in the grid, I hide some). Then I add a command column to the grid, and take the button text in each row from another column (one of the hidden columns) in the grid.

My problem is: I want to add a filter to the command column, I tried to do something similar to the one described at the address below but failed.
https://www.telerik.com/forums/filtering-on-a-command-column#ZuNrDBneqEmAi9qmv8ZXtQ

The method I use for setting data source, adding command column and hiding some columns:

public void fillRgvWithLinks(RadGridView source)

{

string msg = "";

try

{

int i = 0;

source.DataSource = IOC.linksData.getAllLinks(out msg);

source.Columns[i++].HeaderText = "Sıra No"; // 0

source.Columns[i++].HeaderText = "Ana Grup"; // 1

source.Columns[i++].HeaderText = "Alt Grup"; // 2

source.Columns[i++].HeaderText = "Sürüm"; // 3 hide this

source.Columns[i++].HeaderText = "Başlık"; // 4

source.Columns[i++].HeaderText = "Adres"; // 5 hide this

source.Columns[i++].HeaderText = "Doğrulama Url"; // 6 hide this

source.Columns[i++].HeaderText = "Açıklama"; // 7 hide this

source.Columns[i++].HeaderText = "Anahtar Kelimeler"; // 8 hide this

source.Columns[i++].HeaderText = "Komutlar"; // 9 hide this

source.Columns.Add(AddCommandColumnToRgv());

foreach (var item in source.Columns)

{

if (item.Index == 0 || item.Index == 1 || item.Index == 2 || item.Index == 10) { continue; }

item.IsVisible = false;

}

catch (Exception ex)

{

msg = ex.Message.ToString();

}

Add column method:

public static CustomCommandColumn AddCommandColumnToRgv()

{

CustomCommandColumn CommandColumn = new CustomCommandColumn();

CommandColumn.Name = "LinkButon";

CommandColumn.HeaderText = "Linke Git";

CommandColumn.UseDefaultText = false;

CommandColumn.FormatInfo = new System.Globalization.CultureInfo("tr-TR");

return CommandColumn;

}

CustomCommandColumn class:

public class CustomCommandColumn : GridViewCommandColumn

{

public CustomCommandColumn(): base()

{

}

public CustomCommandColumn(string name): base(name)

{

}

public override bool AllowFiltering

{

get

{

return true;

}

CellFormatting event of my RadGridView :

private void rgvLinkList_CellFormatting(object sender, CellFormattingEventArgs e)

{

if (e.Row is GridViewDataRowInfo) {

GridCommandCellElement commandCell = e.CellElement as GridCommandCellElement;

if(commandCell != null)

{

commandCell.CommandButton.Text = e.Row.Cells[4].Value.ToString();

}

CellBeginEditevent of my RadGridView, The descs array here consists of text values (text above buttons) read from a column in the database (Similar to Emanuel Varga's example) :

private void rgvLinkList_CellBeginEdit(object sender, GridViewCellCancelEventArgs e)

{

string msg = "";

try

{

if (rgvLinkList.Columns[e.ColumnIndex].Name != "LinkButon")

{

return;

}

var editor = rgvLinkList.ActiveEditor as RadDropDownListEditor;

var dropDownElement = editor.EditorElement as RadDropDownListEditorElement;

string[] descs = IOC.linksData.getDescriptions(out msg);

dropDownElement.DataSource = descs;

}

catch (Exception ex)

{

msg = ex.Message.ToString();

}

And EditorRequired event of my RadGridView (Again, similar to the example of Emanuel Varga) :

private void rgvLinkList_EditorRequired(object sender, EditorRequiredEventArgs e)

{

var editManager = sender as GridViewEditManager;

if (editManager == null || rgvLinkList.CurrentColumn.Name != "LinkButon")

{

return;

}

e.Editor = new RadDropDownListEditor();

e.EditorType = typeof(RadDropDownListEditor);

}

I was able to add a filter to the column after all, but when I type something in the filter text box nothing happens. I wonder what is missing or wrong?

GridView

answered on 26 Aug 2020

5 answers

1.5K+ views

How to hide the Headertext column dynamically

Hi Team,
We are using the windows application (vb.net). In our project, we need to hide one of the header text columns (Price) in the RadGridView dynamically. We are setting the condition to hide and show the HeaderText. If the value is "0" the Headertext (Price) should be hidden. If the value is 1 it should be visible. Can you please help with it. Screenshot mentioned below for your reference.

Screen Shot link

GridView

answered on 26 Aug 2020

1 answer

1.0K+ views

CellClick event does not activate the checkbox

I have a RadGridView with several columns: 1st is a checkbox, 2,3,4 contain some strings.

If I want to select a checkbox and I click on the first column, the CellClick event is fired but there's something I don't understand.

When the first CellClick event is fired, the Checkbox does not get activated. When I click again on the checkbox, only then it is activated but for some reason it goes out of sync with my code. When the UI shows it is activated, the code says that nothing is selected and viceversa.

How should I properly do a selection of multiple checkboxes which trigger from the first click?

Buttons, RadioButton, CheckBox, etc

answered on 26 Aug 2020