This is using version 2013 Q1 and also 2013 Q1 SP1:

Dropping a new RadDropDownList on a form sets its size to 125, 20.

This is the auto generated code for the control in the designer code:


Setting the drop down's AutoCompleteMode to 'SuggestAppend' changes the size to 125, 22.



The other controls on the form are all at a height of 20, specifically the RadTextbox that is right next to the drop down. This mismatched sizing looks poor.

How can I change the height of my dropdown back to 20. All my attempts at doing so are ignored and the height returns to 22, even when I try to change the size of the DropDownListElement and the RootElement.

I have a nested split container control on a form.  I am able to place a RadDock control into a split container panel but I am not able to place a user control into the RadDock using the designer.  If I try to do this programmatically I get an error saying that only panel controls can be in a split container.

Can a split container panel contain a RadDock?

Thanks.
Mike

I currently have a treeview bound to a binding list, and have AllowDragDrop and AllowDrop set to true.  However, none of the drag events are firing.  Is there something else I need to set?  The documentation does not seem to be updated for this version.  Thanks!

How I can implement the nested grid in windows application using C#. Please let me know if there is any demo for this.

Thanks in Advance
Kuldeep Dwivedi

Hi all, I have a little bit strange question :)  Is it possible to change filter icon of the column which is filtered ? 

Hello there,
I've been trying to make a grid as a Hierarchy Tabbed GridView (from Q3-2011-SP1 samples) that works with dynamic update on datasource, but I was unsuccessfull. On my grid's data-source I used a BindingSource binding to my object Employees (struct on memory), and simulated through a Timer (500ms) the parameter "FirstName" to be changed on my object. The value updated on my object was showed correctly on the grid cell, but I had a lot of problems with user events like re-ordering/resizing columns or rows.
I used a AutoResetEvent to prevent those conflicts, but my grid still firing two exceptions:
- When I try to re-order columns's headers by drag and drop and new data come at same time there's a failure on CellHeaderElement.ProcessDragDrop() method;
- When I try to use the columns header's Context Menu and new data comes the grid's method Refresh() closes the menu.
I tried  to use a VirtualMode grid like Performance Sample but that's not what I need, once my grid must implements filtering\ordering and a nice template with details view.
Here's my code (based on yours, differences are highlighted), I would really appreciate if you guys tell me how to implement a  Hierarchy Tabbed GridView without any user events conflicts or context menu closing:

namespace TabbedGridViewSemple
{
    public partial class Form1 : Form
    {
        RadChart chart = new RadChart();
        public PlenaDataSet dataSource = new PlenaDataSet();
        public OrderDataSet orderSource = new OrderDataSet();
        private int count = 0;
        public AutoResetEvent eventsSync = new AutoResetEvent(true);
      

        public Form1()
        {
            InitializeComponent();
        }

        #region Event handlers

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            this.radGridView1.BeginUpdate();


            //Fill Data Source objects:
            dataSource.Add(new Employee() { Address = "507 - Ave. E", BirthDate = new DateTime(1948, 12, 08), City = "Seattle", Country = "USA", EmployeeID = 1, FirstName = "Nancy", LastName = "Davolio", Title = "Sales Representative", Photo = new Bitmap(Properties.Resources.stock_logo) });
            dataSource.Add(new Employee() { Address = "908 - Capital", BirthDate = new DateTime(1952, 02,19), City = "Tacoma", Country = "USA", EmployeeID = 2, FirstName = "Andrew", LastName = "Fuller", Title = "Vice President", Photo = new Bitmap(Properties.Resources.stock_logo) });
            
            employeesBindingSource.DataMember = "Employees";
            employeesBindingSource.DataSource = dataSource;
            ordersBindingSource.DataMember = "Orders";
            ordersBindingSource.DataSource = orderSource;
            PrepareChartControl();
            LoadDetailsTable();
            LoadPerformanceTable();
            this.radGridView1.UseScrollbarsInHierarchy = true;
            this.radGridView1.ReadOnly = true;
            radGridView1.MasterTemplate.ChildViewTabsPosition = TabPositions.Bottom;
            this.radGridView1.EndUpdate();
        }

        void radGridView1_ChildViewExpanded(object sender, ChildViewExpandedEventArgs e)
        {
            eventsSync.Reset();
            e.ChildRow.ChildViewInfos[0].ChildRows[0].Height = 152;
            e.ChildRow.ChildViewInfos[2].ChildRows[0].Height = 152;
            e.ChildRow.Height = 224;
            eventsSync.Set();
        }

        void radGridView1_CellFormatting(object sender, CellFormattingEventArgs e)
        {
            eventsSync.Reset();
            GridViewDataColumn column = e.CellElement.ColumnInfo as GridViewDataColumn;
            if (column != null && column.OwnerTemplate.Caption == "Details")
            {
                if (column.FieldName == "FirstName")
                {
                    e.CellElement.Text = "<html><b>Name:</b> " + e.CellElement.RowInfo.Cells["LastName"].Value + ", " +
                        e.CellElement.RowInfo.Cells["FirstName"].Value;
                }
                if (column.FieldName == "BirthDate")
                {
                    e.CellElement.Text = string.Format("<html><b>Birth Date:</b> {0:d}", e.CellElement.RowInfo.Cells["BirthDate"].Value);
                }
                if (column.FieldName == "Title")
                {
                    e.CellElement.Text = "<html><b>Title:</b> " + e.CellElement.RowInfo.Cells["Title"].Value;
                }
                if (column.FieldName == "Address")
                {
                    e.CellElement.Text = "<html><b>Address:</b> " + e.CellElement.RowInfo.Cells["Address"].Value;
                }
                if (e.CellElement is GridImageCellElement)
                {
                    ((GridImageCellElement)e.CellElement).ImageLayout = ImageLayout.Zoom;
                }
            }
            if (column != null && column.OwnerTemplate.Caption == "Performance")
            {
                if (e.CellElement.RowInfo.Tag == null)
                {
                    chart.Series.Clear();
                    chart.Series.Add(GetRowData((GridViewRowInfo)e.CellElement.RowInfo));
                    e.CellElement.RowInfo.Tag = chart.GetBitmap();
                }
                e.CellElement.Image = e.CellElement.RowInfo.Tag as Image;
                e.CellElement.DrawBorder = false;
                e.CellElement.DrawFill = false;
                e.CellElement.Text = "";
                e.CellElement.Padding = new Padding(10, 0, 0, 0);
            } 
            eventsSync.Set();
        }

        void radGridView1_CreateCell(object sender, GridViewCreateCellEventArgs e)
        {
            eventsSync.Reset();
            if (e.CellType == typeof(GridDetailViewCellElement))
            {
                e.CellElement = new CustomDetailViewCellElement(e.Column, e.Row);
            }
            eventsSync.Set();
        }

        #endregion

        void PrepareChartControl()
        {
            chart.Size = new Size(600, 150);
            chart.Chart.ChartTitle.Visible = false;
            chart.Legend.Visible = false;
            chart.Appearance.Border.Visible = false;
            chart.Appearance.FillStyle.MainColor = Color.White;
            chart.AutoLayout = true;
            chart.ChartTitle.Visible = false;
            chart.ChartTitle.TextBlock.Text = "";
            chart.PlotArea.Appearance.Border.Visible = false;
            chart.PlotArea.Appearance.FillStyle.FillType = FillType.Solid;
            chart.PlotArea.Appearance.FillStyle.MainColor = Color.Transparent;
            chart.PlotArea.Appearance.FillStyle.SecondColor = Color.Transparent;
            chart.PlotArea.YAxis.Appearance.CustomFormat = "C0";
            chart.PlotArea.YAxis.LabelStep = 2;
            chart.PlotArea.XAxis.Appearance.ValueFormat = ChartValueFormat.ShortDate;
            chart.PlotArea.XAxis.Appearance.CustomFormat = "dd/MM";
        }

        void LoadDetailsTable()
        {
            DataTable table = new DataTable("Details");
            table.Columns.Add("EmployeeID", typeof(int));
            table.Columns.Add("Photo", typeof(Bitmap));
            table.Columns.Add("FirstName", typeof(string));
            table.Columns.Add("LastName", typeof(string));
            table.Columns.Add("Title", typeof(string));
            table.Columns.Add("Address", typeof(string));
            table.Columns.Add("City", typeof(string));
            table.Columns.Add("BirthDate", typeof(DateTime));
            table.Columns.Add("Country", typeof(string));
            foreach (Employee row in dataSource.Employees)
            {
                table.Rows.Add(row.EmployeeID, row.Photo, row.FirstName,
                    row.LastName, row.Title, row.Address, row.City, row.BirthDate, row.Country);
            }

            GridViewTemplate template = new GridViewTemplate();
            template.Caption = "Details";
            template.DataSource = table;
            template.AllowRowResize = false;
            template.ShowColumnHeaders = false;
            template.Columns["Photo"].Width = 125;
            template.Columns["City"].Width = 70;
            template.Columns["Country"].Width = 70;
            template.Columns["FirstName"].DisableHTMLRendering = false;
            template.Columns["Title"].DisableHTMLRendering = false;
            template.Columns["BirthDate"].DisableHTMLRendering = false;
            template.Columns["Address"].Width = 200;
            template.Columns["Address"].DisableHTMLRendering = false;
            this.radGridView1.Templates.Insert(0, template);


            GridViewRelation relation = new GridViewRelation(this.radGridView1.MasterTemplate);
            relation.ChildTemplate = template;
            relation.ParentColumnNames.Add("EmployeeID");
            relation.ChildColumnNames.Add("EmployeeID");
            this.radGridView1.Relations.Add(relation);

            HtmlViewDefinition viewDef = new HtmlViewDefinition();
            viewDef.RowTemplate.Rows.Add(new RowDefinition());
            viewDef.RowTemplate.Rows.Add(new RowDefinition());
            viewDef.RowTemplate.Rows.Add(new RowDefinition());
            viewDef.RowTemplate.Rows[0].Cells.Add(new CellDefinition("Photo", 0, 1, 3));
            viewDef.RowTemplate.Rows[0].Cells.Add(new CellDefinition("FirstName", 0, 1, 1));
            viewDef.RowTemplate.Rows[0].Cells.Add(new CellDefinition("BirthDate", 0, 2, 1));
            viewDef.RowTemplate.Rows[1].Cells.Add(new CellDefinition("Title", 0, 3, 1));
            viewDef.RowTemplate.Rows[2].Cells.Add(new CellDefinition("Address", 0, 1, 1));
            viewDef.RowTemplate.Rows[2].Cells.Add(new CellDefinition("City", 0, 1, 1));
            viewDef.RowTemplate.Rows[2].Cells.Add(new CellDefinition("Country", 0, 1, 1));
            template.ViewDefinition = viewDef;
        }

        void LoadPerformanceTable()
        {
            Random r = new Random();
            DataTable chartTable = new DataTable();
            chartTable.Columns.Add("EmployeeID", typeof(int));
            for (int i = 0; i < 12; i++)
            {
                chartTable.Columns.Add("Month" + (i + 1), typeof(int));
            }
            foreach (Employee row in dataSource.Employees)
            {
                DataRow dataRow = chartTable.NewRow();
                dataRow["EmployeeID"] = row.EmployeeID;
                for (int i = 0; i < 12; i++)
                {
                    dataRow[i + 1] = r.Next(1000) * 10;
                }
                chartTable.Rows.Add(dataRow);
            }
            GridViewTemplate template2 = new GridViewTemplate();
            template2.Caption = "Performance";
            template2.DataSource = chartTable;
            template2.AllowRowResize = false;
            template2.ShowColumnHeaders = false;
            template2.ShowRowHeaderColumn = false;
            template2.Columns[0].Width = 600;
            for (int i = 1; i < template2.Columns.Count; i++)
            {
                template2.Columns[i].IsVisible = false;
            }
            this.radGridView1.Templates.Add(template2);

            GridViewRelation relation2 = new GridViewRelation(this.radGridView1.MasterTemplate);
            relation2.ChildTemplate = template2;
            relation2.ParentColumnNames.Add("EmployeeID");
            relation2.ChildColumnNames.Add("EmployeeID");
            this.radGridView1.Relations.Add(relation2);
        }

        Telerik.Charting.ChartSeries GetRowData(GridViewRowInfo row)
        {
            Telerik.Charting.ChartSeries series = new Telerik.Charting.ChartSeries();
            series.Type = ChartSeriesType.Bar;
            series.Name = "Sales";
            series.Appearance.LabelAppearance.Visible = false;
            for (int i = 0; i < 12; ++i)
            {
                series.Items.Add(new ChartSeriesItem((int)row.Cells[i + 1].Value));
            }
            return series;
        }

        protected string GetExampleDefaultTheme()
        {
            return "ControlDefault";
        }

        private void timerTick_Tick(object sender, EventArgs e)
        {
            try
            {
                eventsSync.WaitOne();
                dataSource.Employees[0].FirstName = "test " + count;
                count++;
                radGridView1.MasterTemplate.Refresh();
                eventsSync.Set();
            }
            catch(Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
    }
}

Thanks a lot! 

Hello,

when I load a dock layout from xml, one toolwindow is not visible.
If I drag out the ToolTabStrip and redock it or resize the ToolTabStrip, the ToolWindow "ZoomView" will be visible.
Where is the bug?

I used this http://www.telerik.com/help/winforms/dock-loading-and-saving-layouts-tutorial-saving-and-loading-layout-content.html example as startup.

Best Regards
Marco

What event is fired for these actions as I need to capture them and do something when they fire
Thanks

Hello,

I am using ThemeResolutionService to apply theme of entire application.
But there is a special area on certain form of my application and I want to use a custom theme for that special area (RadPanel).

But when I use a ThemeResolutionService, this approach overrides my custom theme for that RadPanel.
Is there any way to achieve this goal? 
Thanks.

Hello,

I have made a custom GridDataCellElement, following the custom cell documentation. I wish to change the color of the indicator when the value of my Cell is set (SetContentCore) but the theme (Office2010Silver) value are always here.

I think I miss something but what ?