Questions on UI for WinForms Forum

3 answers

478 views

Checkbox or Nullable dates on RadDateTimePicker

Hello,

How do I let the user enter in a null or empty date using the RadDateTimePicker? Shouldn't there be a checkbox, which the user can uncheck if they want to specify an empty date?

There is a "Checked" property on the RadDateTimePicker, but it doesn't appear to do much, and all the documentation says is: "When ShowCheckBox is true, determines that the user has selected a value"

Any ideas?

Calendar, DateTimePicker, TimePicker and Clock

answered on 08 Feb 2008

1 answer

160 views

StartButtomImage

I have figured out how to change the StartButtonImage just fine, however where do I go to change the color of the round element behind it (And the mouseOver colors)? I've looked at the Edit UI option and perhaps I missed it when I looked for it, but I can't find it anyways, surely it's possible to change those colors?

RibbonBar

answered on 08 Feb 2008

4 answers

120 views

Remove groups from radPanelBar

Hi all,

It seems to be a quiet easy thing, but I can't find the way to remove all groups (each one with a radtreeview on it) from the radPanelBar. I was using items.clear sentence before Q3 and it was working, but now when I requery the data source of the radPanelBar to reload all new groups dinamically, there are problems with the previous treeviews... they are still there after execute radPanelBar.Items.Clear().

Any idea's?

Thanks & regards,

Julio

Panelbar (obsolete as of Q2 2010)

answered on 08 Feb 2008

2 answers

186 views

Master/detail using List Object (Nettier)

Hi
At this moment I'm busy with evaluation the Telerik RadGrid in combination with NetTier. I'm trying to make the master/detail functionality working. I tried to do this at design time and in code. I looked at the examples but all of them used dataset instead of list of objects. I think that I make a mistake when setting the key for the master and for the detail in the relation ship The reason for this thinking is that I have the same problem when I add a combobox The combobox is filled but the underlaying value (the text instead of the id (FK)) is not showed (same for the detail)
I tried several things like getting the data for the master and for the details separatly or by using a deepload but nothing works (except for one time but instead of displaying the detail data the grid showed the master data in the detail data so it was a one on one situation but offcourse not correct) Below you will find the code of my last attempt (purly in code not in design) Maybe someone call tell me what is wrong or can give me an working example Thanks for your time.
The code is for binding modules (the master) to modules session (an in between table in the database) The key fields have the same name

//Get the data for the master

EducationModuleService serviceModule = new EducationModuleService();

TList<EducationModule> modules = serviceModule.GetAll();

grdvModules.DataSource = modules;

//Get the data for the Detail

EducationModuleSessionService serviceModuleSession = new EducationModuleSessionService();

TList<EducationModuleSession> moduleSession = serviceModuleSession.GetAll();

// bindingSourceModuleSession.DataSource = moduleSession;

//Create the Detail template

Telerik.WinControls.UI.

GridViewTemplate templateModuleSessions = new Telerik.WinControls.UI.GridViewTemplate();

templateModuleSessions.AllowAddNewRow =

false;

templateModuleSessions.DataSource = moduleSession;

templateModuleSessions.SummaryDisplayStyle = Telerik.WinControls.UI.

SummaryDisplayStyle.None;

//Add the detail template to the master template

this.grdvModules.MasterGridViewTemplate.ChildGridViewTemplates.AddRange(new Telerik.WinControls.UI.GridViewTemplate[] {

templateModuleSessions});

//Create the relation and add it the the RadGridView

GridViewRelation relation = new GridViewRelation(this.grdvModules.MasterGridViewTemplate);

relation.ParentColumnNames.Add(

"EducationModuleId");

relation.ChildColumnNames.Add(

"EducationModuleId");

relation.ChildTemplate = templateModuleSessions;

relation.RelationName =

"ModulesSessions";

this.grdvModules.Relations.Add(relation);

GridView

answered on 08 Feb 2008

2 answers

121 views

Drawing issue when cells disabled

I have the following code:

    
            private void gridAttributes_RowFormatting(object sender, RowFormattingEventArgs e) 
        
                    { 
        
                        AttributeBase obj = e.RowElement.RowInfo.DataBoundItem as AttributeBase; 
        
                        GridCellElement cell = null; 
        
                        if (obj.DataType == "varchar") 
        
                            cell = e.RowElement.RowInfo.Cells[2].CellElement; 
        
                        else if (obj.DataType == "bit") 
        
                            cell = e.RowElement.RowInfo.Cells[1].CellElement; 
        
                        cell.Enabled = false; 
        
                        cell.DrawFill = true; 
        
                        cell.GradientStyle = Telerik.WinControls.GradientStyles.Solid; 
        
                        cell.BackColor = SystemColors.ControlLightLight; 
        
                    }

It works fine on initially setting up which cells should be enabled or disabled, either cell 1 or cell 2 will be enabled, but not both. The problem comes when I've got enough rows to cause a vertical scroll bar to appear. As I scroll down, BOTH cells will be disabled. Then as I scroll up and down, the problem works its way up the grid until all cells in columns 1 and 2 are disabled and grayed.

Any ideas? Thanks. Please let me know if you need more info.

GridView

answered on 07 Feb 2008

4 answers

505 views

RadCheckBox.IsChecked DataBinding problem

I'm trying to use the "IsChecked" property for DataBinding, but it doesn't change the underlaying DataSource - not like a standard CheckBox's "CheckedState" property. I know, "ToggleState" holds the real state, but I need a boolean property for DataBinding...

Thx for any help in advance...

Buttons, RadioButton, CheckBox, etc

answered on 07 Feb 2008

4 answers

164 views

Basic theme as XML?

Can anyone point me to the "Basic" theme as an XML file? I'd like to make some modifications to it, but starting from scratch is a real pain.

GridView

answered on 07 Feb 2008

5 answers

139 views

Theme like the winforms video.

Hello,

Is this possible to download and use the theme showing in the first part (WPF like demo) of your winforms video ?

Thanks.

Jerome

Themes and Visual Style Builder

answered on 07 Feb 2008

1 answer

69 views

Charting along y axis? Is it possible?

Hello,

Is it possible to plot values/lines along y-axis with Chart for WinForms control? Usually, chart components can do only line-plotting along x axis...

Thank you for information!

-pom-

Chart (obsolete as of Q1 2013)

answered on 07 Feb 2008

6 answers

438 views

Hide window frame

When using the ribbon control it has its own title bar but I can't figure out how to delete the standard window title bar and frame to look like the Office2007 apps. The example also skins the standard window frame but I can't follow how it works either. Any help is appreciated during this evaluation period.

RibbonBar

answered on 07 Feb 2008