Using RadCalendar and I thought is would be simple

I want all dates in the past to be disabled and I thought this would do it:

        private void radCalendar1_ElementRender(object sender, RenderElementEventArgs e)

        {
            if (e.Day.Date < DateTime.Now)
                e.Day.Disabled = true;
        }

Th goals is to have it look like this but it seems to have no effect and I can selected dates that the code set as disabled.

What am I missing?

Thanks

Carl

Hellow!

How can i change the following properties in the object "RadGanttView" (check image for color usage)

• Height (RED)
• Width (BLUE)

Hi!

When endUpdate occurs in gridview, the scroll moves to the begin.

In my environment I have to beginUpdate and Endupdate.

But 1 dont' want the scroll to move even if the data is Updated(endupdate timing)!

Please tell me how to prevent the scroll from moving automatically when editing mode is released by double-clicking or when endupdate occurs.

The method of updating the scroll value after endupdate by storing the scroll value before beginupdate failed.

A gif Image and simple project are attached. Please help me!!!

Thank you :)

Hello Team

How to set horizontal scroll position left most in the RadTreeView ?

Note: telerik version 2024.1.312.48

Attached screenshot for reference:

Thanks

Rajkannan

I'm experiencing weird behavior when trying to remove a row using v2023.3.1114. I created a test form in my main app and launch it like this:

Form1 form = new();

form.ShowDialog();

The form populates a grid  by setting the DataSource to a collection of POCOs.

The grid has a a hyperlink column. When the user clicks the column, the goal is to have the clicked row disappear. I'm implementing it like this:

private void gvTaskNotifyType_HyperlinkOpening(object sender, HyperlinkOpeningEventArgs e)

Problem is when the RemoveAt() method is called it throws a Object reference not set to an instance of an object . It may happen the first time or more often the 3rd. It also happens if I use Remove() and pass in a reference to the row object and also if I try to set the IsVisible property to false. The really strange part is that the error doesn't enter the catch handler. Rather, its stops on the form.ShowDialog(); line and breaks there.

Any ideas?

Carl

Hello!

I was trying to upgrade several programs to have the font connected to the program size ("dynamic" font). I wasn't able to do it in a simple way because i kept finding problems and i assumed it was some minor telerik object bugs. But then i found out that some of the bugs weren't simple to fix because the fix would impact the program performance. So i created a program from scratch to see if the problem was in my program (i could be doing something wrong since it hd a lot of code) but i came to the conclusion that this problem is actually because of the theme and not mine or the programs fault.

When i use a radgridview and change the font to a higher size (ex: 27) some of the text in the grid won't change if i'm using the theme 'TelerikMetroBlue'. But if i use the default theme 'Office2010Blue' the object works great.

Please check the attached images.

Note: I'm only using a radgridview in this example but the problem was also detected in other objects, like radlistview and radganttview.

JP

Hi Telerik,

I'm using C# and and RadPageView NavigationBar component for my WinForms application.

I think I'll give a background story first.

I implement a RadPageView with NavigationBar, and also implement a search bar between the hamburger menu and the RadPageView items

The item's is populated from a class

The "search menu" is used to filter the displayed menu 

And when I clear the search menu's filter, the RadPageViewItems is re-loaded with the previous class data. But, it takes a long time due to a lot of records (FYI, i have ~1000 menus that equivalent to ~1000 RadPageViewItems)

Is it possible to improve the load speed? Like, maybe, any mechanism that stores the fully loaded menu as a local-storage in RadPageView's function/module that I should call when the search menu is cleared after it has been filled?

Thanks in advance!

Hello Team,

 I try to set tooltip for combobox lineitem which is disabled , it is not showing tooltip, Is there any way to show tooltip while it disabled ? could you please help on this ASAP?

Please refer below code snippet and attached screenshot. 

private void cmbPlugtype_VisualListItemFormatting(object sender, VisualItemFormattingEventArgs args)
 {
if (cmbPlugtype.DropDownListElement.TextBox.Fill.BackColor != Color.Cyan)
{
    args.VisualItem.ToolTipText = args.VisualItem.Data.DisplayValue.ToString();
}
else
{
    args.VisualItem.Enabled = false;

   args.VisualItem.ToolTipText = "It is Disabled".

}

}

Thanks

Rajkannan

I started receiving the following error message yesterday when trying to create a new RadForm using UI for WinForms in VS2022.  Any idea as to how to resolve this?

Error occurred while running wizard.