Questions on UI for WinForms Forum

2 answers

103 views

How can I put filer on certain column but not all columns

Hi All,

I use datatable to connect gridview. After that I would like to have filer on column 1 but not all columns

.EnableFiltering = True

.MasterTemplate.EnableFiltering = True

This code switched the whold grid filter on.

Any idea to that?

Thanks

GridView

answered on 12 Mar 2012

2 answers

130 views

BackstageView in RibbonBar

I have a problem with ribbonBar on backstageView mode. The button which open backstage isn't fit to other tabs.
Picture below decribe this situation:

I would like have a effect for example with MS Outlook program, next picture show those tabs.

Someone can resolve this problem ?

Thanks.

RibbonBar

answered on 12 Mar 2012

3 answers

130 views

Use specific columns to fill grid space

I am working my way through evaluating Telerik as a replacement for Syncfusion.

One of the requirements for the application is to show nine columns for example but fill the window with just the first four leaving the rest scrollable. This needs to happen when the screen is initially displayed and anytime it is resized. The four columns should shrink and expand as required to fill the space in the grid and should adapt to whether the grid is grouped or not.

Granted this was done with some hard won knowledge of how Syncfusion's GroupingGrid works but I need to be able to accomplish the same thing with GridView to make it a viable replacement.

Is this possible with GridView?

GridView

answered on 12 Mar 2012

2 answers

312 views

ListView with FindItemBykey

Hi,

I want to find item in listview , but don't know how to use the FindItemByKey method, can you give a sample?

thanks

ListView

answered on 09 Mar 2012

4 answers

149 views

CellFormatting invisible cells

How do I access invisible cells value/text in cellformatting?

GridView

answered on 09 Mar 2012

4 answers

106 views

Apply theme on a cell

Hi, I've a theme for all the application. Created another 2 themes that I want to apply on some cells on a gridview. Dinamically, depending of a parameter value I will apply to a cell one of the 2 themes on the cellformatting event. Is easy to say, but I can't get it done. Followed instructions on the Rad Winforms overview site regarding theme application, added a radthememanager, added my two themes but it does not work.

The themes where created on the VSB and saved as independen XML files, saving only two repositories that I need, a gradient and a shape. Is this correct? Or maybe I do need to save the full theme, nevertheless everyting else other than these 2 repository items are equal?

Thanks!

Themes and Visual Style Builder

answered on 09 Mar 2012

1 answer

98 views

Scroll Child

The ValueChanged event is not triggered if the property HorizontalScrollState = ScrollState.AlwaysHide

GridView

answered on 09 Mar 2012

5 answers

316 views

Redraw Speed

Hello.

I'm trying Telerik components and at the moment I'm testing the RadGrid. Surprisingly, the grid seems to be very easy to use but somewhat slow, when scrolling it. Am I doing something wrong or the grid is simply not that fast? When I say slow, I mean that the grid does about 8 fps with 3 columns in full screen, this makes the application look very sluggish. I got to knew Telerik from a software the company has installed, and the RadGrid this software has also suffers from slow speeds.

Thank you for any info on this subject.

GridView

answered on 09 Mar 2012

5 answers

550 views

High performance RadGridView update with cell blinking

Hi,

we recently bought the latest version of RadControls for Winforms and we are using now Q1 2012 version.

I have a not-so-large data set to display using RadGridView, something like 200 rows and 30 columns. After the initial display I receive very often data udpate messages, that contains not all the data, but only the value to update (and the rowIndex and column name to locate the data to update).

For our business it's crucial to be able to update the displayed value immediately when the update message is received and notify that changing the cell style according to some business rules. (green if new value is bigger, yellow if it's equal or red if it's lower; also i need to change border color for that specified cell)

I'm trying using RadGridView in both bounded and unbounded mode to achieve my goal.

With bounded solution, when a message is received, I update the dataTable value (that is the data sorce) and I change the cell style using cellInfo.Style. In this case grid update seems to be a bit slow.
In unbounded mode I defined a custom column with contains cells of a custom type. I overridden the SetContentCore method and inside this method I recover cellInfo object for that cell and I use it to change the style of the cell. The problem is that when a specified value change for one cell, the entire row blink, since SetContentCore is raised for all elements for that row.
In both cases I use a timer that reset the cell style after a while. (unblink)

Before go furhter with code detail implementation, can you give me some tips about the best way to proceed? What is the best approach in order to achieve fastest data update with blinking?
Also, we need to open many RadGridView at the same time, so memory and CPU usage must be limited for each RadGridView.

Thank you very much in advance for your support.

Regards,
Lorenzo

GridView

answered on 08 Mar 2012

3 answers

157 views

Update to Q1 2012

Hello,

I just updated to Q1 2012.

How can I solver this ?
Error 1 Assembly 'Telerik.WinControls.UI, Version=2012.1.301.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e' uses 'Telerik.WinControls, Version=2012.1.301.40, Culture=neutral, PublicKeyToken=5bb2a467cbec794e' which has a higher version than referenced assembly 'Telerik.WinControls, Version=2012.1.301.20, Culture=neutral, PublicKeyToken=5bb2a467cbec794e' c:\Program Files (x86)\Telerik\RadControls for WinForms Q1 2012\Bin40\Telerik.WinControls.UI.dll

Thank you for your help

General Discussions

answered on 08 Mar 2012