Hi
I am using Telerik WinForms controls
I Have a problem in RibBoonBar
Win I change any item in it or add new item ,all old item's size become zero

Hi Everyone,

I have a radWaitingBar in my Project. As you can see in the attached image, there is a display bug. I use the breeze Theme. I tried many things, but it always looks like that.

 

Hi

 

            Version: Q2 2010 SP2

            I want use custom editor.

            So in EditorRequired handler I create RadDropDownListEditor

            and in CellBeginEdit I set data source for dropdownlist.

 

In CellBeginEdit handler I want also set DropDownStyle on DropDownList but I get exception from telerik source code NullReferenceException.

 

If I do not change DropDownStyle property everything looks ok.

I tried set DropDownStyle on DropDownList in EditorRequired handler but I also got the same exception.

 

I cannot use just combo box type of column – in the same column I need display different editors.

 

Check my short source code.

 

Regards

 

Hello,

my requirement is that when i select a node a second treeview should be populated.

Which event should i use after selecting a node??


Thanks!

Hi

can i add a close button on the ribbon tab ?
like the image ?

thank u

Can I Localize the Filtering options To Arabic ?
Because My Application Language Is Arabic And I am Using RadGridView
Thanks 

Hi
I have two columns on my gridview that need to be calculated. Column One is (A - B) Column B is (Result of Column One * Qty Ordered).
No matter how I write this I am getting an error saying "cannot remove this column because it is part of an expression "A - B""
How do I get around this issue.
Thanks
Em

Random question:

Is there a way to make this control do scrolling text?

example
textbox would contain:

"this is a.."
"his is a t"
"is is a te"
"s is a tes"
" is a test"
"is a test "

I'm not that was not necessary, but eh. 
Anyone know?'

I am trying to add an image next to the text information in the ListBox.

I have a imageList that has the images i want to display.  I tried something like this.

RadListBoxItem test1 = new RadListboxItem("ITEM" + imageList1.Images[0]);
radListBox1.Items.Add(test1);

But all i get is the "ITEMSystem.Drawing.Bitmap" instead of the image.... 

Hi,

I have a hierarchical gridview with checkbox column. I have a checkbox in header as well.
When the header checkbox is checked/unchecked all other rows gets checked/unchecked accordingly.
But when i do the same in Child it is not working properly.
When i check/uncheck header of Child then the child rows of only expanded row should get checked/unchecked but not all the child rows.
Right now its applying changes for all child rows but i want it only for expanded row.

Below is my code:
<
private void AddCheckColumn(fc_rad_dataGridView dataGridView)
        {
            CustomCheckBoxColumn checkColumn = new CustomCheckBoxColumn();
            checkColumn.Name = "IsActive";
            checkColumn.FieldName = "Active";
            if (!dataGridView.Columns.Contains("IsActive"))
                dataGridView.Columns.Insert(dataGridView.Columns.Count - 1, checkColumn);
        }

public class CustomCheckBoxColumn : GridViewCheckBoxColumn
    {
        public override Type GetCellType(GridViewRowInfo row)
        {
            if (row is GridViewTableHeaderRowInfo)
            {
                return typeof(CheckBoxHeaderCell);
            }
            return base.GetCellType(row);
        }
    }

    public class CheckBoxHeaderCell : GridHeaderCellElement
    {
        RadCheckBoxElement checkbox;

        protected override Type ThemeEffectiveType
        {
            get
            {
                return typeof(GridHeaderCellElement);
            }
        }

        public CheckBoxHeaderCell(GridViewColumn column, GridRowElement row)
            : base(column, row)
        {

        }

        public override void Initialize(GridViewColumn column, GridRowElement row)
        {
            base.Initialize(column, row);
            column.AllowSort = false;
            column.TextAlignment = ContentAlignment.MiddleRight;
        }

        public override void SetContent()
        {
        }

        protected override void DisposeManagedResources()
        {
            checkbox.ToggleStateChanged -= new StateChangedEventHandler(checkbox_ToggleStateChanged);
            base.DisposeManagedResources();
        }

        protected override void CreateChildElements()
        {
            base.CreateChildElements();
            checkbox = new RadCheckBoxElement();
            checkbox.ToggleStateChanged += new StateChangedEventHandler(checkbox_ToggleStateChanged);
            this.Children.Add(checkbox);
        }

        protected override SizeF ArrangeOverride(SizeF finalSize)
        {
            SizeF size = base.ArrangeOverride(finalSize);

            RectangleF rect = GetClientRectangle(finalSize);
            this.checkbox.Arrange(new RectangleF((finalSize.Width - this.checkbox.DesiredSize.Width) / 2, (rect.Height - 20) / 2, 20, 20));

            return size;
        }

        public override bool IsCompatible(GridViewColumn data, object context)
        {
            return data.Name == "IsActive" && context is GridTableHeaderRowElement
                && base.IsCompatible(data, context);
        }

        private void checkbox_ToggleStateChanged(object sender, StateChangedEventArgs args)
        {  
            if (this.ColumnInfo is GridViewCheckBoxColumn)
            {
                bool valueState = false;

                if (args.ToggleState == Telerik.WinControls.Enumerations.ToggleState.On)
                {
                    valueState = true;
                }
                for (int i = 0; i < this.ViewTemplate.Rows.Count; i++)
                {
                    this.ViewTemplate.Rows[i].Cells[this.ColumnIndex].Value = valueState;
                }
            }
        }
    }
>

Thanks,
Pinaki