Questions on UI for WinForms Forum

1 answer

125 views

I want the document window tab headers to look the same way as they look in the default layout or as in Office 2010. What is it that I need to change in the theme?

Also the gridview does not show any row borders at first, but then renders the borders when mouse hovers past the rows. How do I get the borders to be shown as a default behaviour. I have set DrawBorder to true

Thanks
Deepak

Themes and Visual Style Builder

answered on 29 Apr 2011

3 answers

265 views

ExportToExcelML exception with null date

Hi,

I have a radgridview with a column that's bound to a nullable date. When the date is null, the RunExport() method throws a FormatException with the message "The DateTime value is not supported in Excel!". Do you have any thoughts on how I can handle this issue?

Thanks,
Kevin.

GridView

answered on 29 Apr 2011

3 answers

272 views

child view template /command button field

Hi all,

I have created the winforms radgridview with tabbed child view , in one of the gridview template i want to add the command button field column programatically , while clicking button i have to catch the events and perform some operation ..

please assist me to acheive that ..

waiting for ur reply.....

Thanks
Dev...

GridView

answered on 29 Apr 2011

11 answers

1.1K+ views

Add 2 buttons dynamically and set there visibility by checking the values of another column in grdi view

hi all,

i am using telerik grid view in windows form application. i needed to to add two buttons in the command column dynamically. and then according to the values of some other column i can make any of the button invisible.
i was able to add a column with 2 buttons. but when i made any of them invisible it shows unexpected behavior. the adding of buttons and making them visible or not, only works fine for the rows that are present on the current display screen. if i scroll down then it makes the button invisible or visible in other rows. i am stuck. please help.
i am using function

private void radGWOrderSelection_CreateCell(object sender, GridViewCreateCellEventArgs e)

{

if (e.Column.Name == "Replace")

{

GridViewCommandColumn dataColumn = (GridViewCommandColumn)e.Column;

if (e.Row is GridDataRowElement && dataColumn != null)

{

CustomGridDataCell cell = new CustomGridDataCell(e.Column, e.Row);

e.CellType = typeof(CustomGridDataCell);

e.CellElement = cell;

cell.ButtonOne.Visibility = ElementVisibility.Hidden;

cell.ButtonClick += new EventHandler(cell_ButtonClick);

cell.ButtonOne.Visibility = ElementVisibility.Hidden;

cell.ButtonClick += new EventHandler(cell_ButtonClick);

cell.CommandButton.Dispose();

}

if i put a breakpoint it only executes 14 times which is the number of visible rows in the grid.

there is also a custom class CustomGridDataCell

GridView

answered on 29 Apr 2011

5 answers

239 views

MulitColumn ComboBox scrolls when clicking on an item

When I click on my RadMultiColumnComboBox, the dropdown opens displaying my grid of items. There's about 100 or so items, so the list is scrollable. Occasionally when clicking an item, for some reason the scroll position changes. This is causing a different item to be selected since it looks like an item gets selected when the click releases. So if the grid is displaying items 1 through 5,
1
2
3
4
5
...
I'll click on item 3, the scroll position will slightly shift down so now my mouse is over item 4. So by the time the click is released, it selects item 4. Does that make sense? I was wondering if anyone has come across a similar issue before I try extracting code to post.

Thanks,
Jason

I've added code to illustrate the problem. When I click on the item Code = 2, it selects Code = 3.
Version: 2010.3.10.1215

MultiColumn ComboBox

answered on 29 Apr 2011

2 answers

147 views

Editing Windows 7 theme

How do I edit an existing theme using VSB? I do not have the .tssp files on my machine. Smart tags on Q3 2010 SP1 do not have the option to open in Visual Style Builder

Thanks
Deepak

Themes and Visual Style Builder

answered on 29 Apr 2011

4 answers

149 views

Wrong Selected Window when Loading from Xml

Hi the Telerik Team,

There is a error with the RadDock when loading layout from XML file.
When you load the layout from an XML file, the selected index of a DocumentContainer or a ToolTabStrip is incorrect. The last one is always selected, even if the SelectedIndex is the first.
You can easily reproduce this bug with the demo application on Dock / Serialization:
- Add a tool window to the same area as Tool Window 2
- Select the first window of the ToolTabStrip (Tool Window 4)
- Save the layout
- If you open the layout file in an editor, you can see that the ToolTabStrip's SelectedIndex is 0 (correct).
- Remove all windows
- Load the layout file
- The Tool Window 2 is selected instead of the Tool Window 4.

Thank you,

Regards

Dock

answered on 29 Apr 2011

4 answers

705 views

Calculate Sum function on a grouping column

Hello,
My intention is to calculate the sum of all the values of a column, where this column was selected as a grouping column.
I'd like to show the result directly in the grouping header row.

This is the code I'm using:

string ColumnName = "Price";

GroupDescriptor descriptor1 = new GroupDescriptor();

descriptor1.GroupNames.Add(ColumnName, ListSortDirection.Ascending);

string formatStr = "The total sum of items {0} with price equal to {1} is equal to {2}.";

descriptor1.Format = formatStr;

descriptor1.Aggregates.Add("Sum('" + ColumnName + "')");

this.radGridView1.GroupDescriptors.Add(descriptor1);

In this code my intention is to calculate and show the total sum of all the items grouped by the price itself.

The problem is the result is alway zero. It seems like the GridAggregateFunction.Sum doesn't works inside the GroupDescriptor

I tryed exacly the same code using the COUNT aggregate function instead of the SUM, ad it works perfectly giving me the count of the item grouped by the price:

string ColumnName = "Price";

GroupDescriptor descriptor1 = new GroupDescriptor();

descriptor1.GroupNames.Add(ColumnName, ListSortDirection.Ascending);

string formatStr = "The total sum of items {0} with price equal to {1} is equal to {2}.";

descriptor1.Format = formatStr;

descriptor1.Aggregates.Add("Count('" + ColumnName + "')");

this.radGridView1.GroupDescriptors.Add(descriptor1);

Thanks for any suggestions,
Alcide Burato

GridView

answered on 28 Apr 2011

4 answers

662 views

Label and Ellipsis

We are changing all of our standard WinForms labels to RadLabels. This has been working fine until today when we ran into a label that used the AutoEllipsis property.

Does the RadLabel have something similar to the WinForms AutoEllipsis on a label?

If not, is there a work around?

Label

answered on 28 Apr 2011

2 answers

114 views

ribbon form

hi
i create a telerik ribbon form and set right to left property to true
and good work
but if right to left layout set to true made a problem
left border is damage

General Discussions

answered on 28 Apr 2011