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Drag and drop from RadListView to RadGridView
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This is a migrated thread and some comments may be shown as answers.
Вадим
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Вадим asked on 30 Nov 2017, 08:33 PM
<p>private BindingSource _bindingSource;<br>
        DataTable gridViewDataTable = new DataTable();<br>
<br>
        public SocPersonal()<br>
        {<br>
                      InitializeComponent();<br>            BaseGridBehavior gridBehavior = this.radGridView2.GridBehavior as BaseGridBehavior;<br>            gridBehavior.UnregisterBehavior(typeof(GridViewDataRowInfo));<br>            gridBehavior.RegisterBehavior(typeof(GridViewDataRowInfo), new CustomRowGridBehavior());<br><br>            RadDragDropService dragDropService = radGridView2.GridViewElement.GetService<RadDragDropService>();<br>            dragDropService.PreviewDragStart += svc_PreviewDragStart;<br>            dragDropService.PreviewDragOver += svc_PreviewDragOver;<br>            dragDropService.PreviewDragDrop += svc_PreviewDragDrop;<br>            gridViewDataTable.Columns.Add("key_socRabotnik", typeof(string));<br>            gridViewDataTable.Columns.Add("[ФИО]", typeof(string));<br><br>            radListView1.ListViewElement.DragDropService.PreviewDragOver += PreviewDragOver;<br>            radListView1.ListViewElement.DragDropService.PreviewDragDrop += PreviewDragDrop;<br><br>            MyRussionRadGridLocalizationProvider.CurrentProvider = new MyRussionRadGridLocalizationProvider();<br>            radGridView1.TableElement.Text = MyRussionRadGridLocalizationProvider.TableElementText;<br>            CheckForIllegalCrossThreadCalls = false;    <br>
            HandleCreated += Form_HandleCreated;<br>
        }<br>
<br>
        #region Drop<br>
        private void svc_PreviewDragStart(object sender, PreviewDragStartEventArgs e)<br>
        {<br>
            e.CanStart = true;<br>
        }<br>
<br>
        private void svc_PreviewDragOver(object sender, RadDragOverEventArgs e)<br>
        {<br>
            if (e.DragInstance is GridDataRowElement)<br>
            {<br>
                e.CanDrop = e.HitTarget is DetailListViewDataCellElement ||<br>
                            e.HitTarget is DetailListViewElement;<br>
            }<br>
        }<br>
<br>
        private void svc_PreviewDragDrop(object sender, RadDropEventArgs e)<br>
        {<br>
            DetailListViewDataCellElement targetCell = e.HitTarget as DetailListViewDataCellElement;<br>
            DetailListViewElement targetElement = e.HitTarget as DetailListViewElement;<br>
            GridDataRowElement draggedRow = e.DragInstance as GridDataRowElement;<br>
<br>
            if (draggedRow == null)<br>
            {<br>
                return;<br>
            }<br>
            ListViewDataItem item = new ListViewDataItem();<br>
            DataRow draggedDataBoundItem = ((DataRowView)draggedRow.RowInfo.DataBoundItem).Row;<br>
            if (targetElement != null)<br>
            {<br>
                ((RadListViewElement)targetElement.Parent).Items.Add(item);<br>
            }<br>
            if (targetCell != null)<br>
            {<br>
                BaseListViewVisualItem targetVisualItem = targetCell.RowElement;<br>
<br>
                int insertIndex = targetCell.Row.ListView.Items.IndexOf(targetVisualItem.Data);<br>
                if (insertIndex > -1)<br>
                {<br>
                    targetCell.Row.ListView.Items.Insert(insertIndex, item);<br>
                }<br>
            }<br>
            item["key_socRabotnik"] = draggedDataBoundItem["key_socRabotnik"];<br>
            item["[ФИО]"] = draggedDataBoundItem["[ФИО]"];<br>
<br>
            gridViewDataTable.Rows.Remove(draggedDataBoundItem);<br>
        }<br>
<br>
        private void PreviewDragOver(object sender, RadDragOverEventArgs e)<br>
        {<br>
            e.CanDrop = e.HitTarget is GridTableElement ||<br>
                e.HitTarget is GridDataRowElement;<br>
        }<br>
<br>
        private void PreviewDragDrop(object sender, RadDropEventArgs e)<br>
        {<br>
            BaseListViewVisualItem draggedItem = e.DragInstance as BaseListViewVisualItem;<br>
            GridDataRowElement rowElement = e.HitTarget as GridDataRowElement;<br>
            GridTableElement tableElement = e.HitTarget as GridTableElement;<br>
<br>
            if (rowElement == null && tableElement == null)<br>
            {<br>
                return;<br>
            }<br>
            e.Handled = true;<br>
            DataRow newRow = gridViewDataTable.NewRow();<br>
            newRow["key_socRabotnik"] = draggedItem.Data["key_socRabotnik"];<br>
            newRow["[ФИО]"] = draggedItem.Data["[ФИО]"];<br>
            if (tableElement != null)<br>
            {<br>
                gridViewDataTable.Rows.Add(newRow);<br>
            }<br>
            <br>
            if (rowElement != null)<br>
            {<br>
                GridViewRowInfo targetRow = rowElement.RowInfo;<br>
<br>
                int insertIndex = this.radGridView2.Rows.IndexOf(targetRow);<br>
                if (insertIndex > -1)<br>
                {<br>
                    gridViewDataTable.Rows.InsertAt(newRow, insertIndex);<br>
                }<br>
            }<br>
            <br>
<br>
            this.radListView1.Items.Remove(draggedItem.Data);<br>
        }</p> <p><br></p> <p>private void fillTheDataGrid()<br>
        {<br>
            var commandServer = new CommandServer();<br>
            try<br>
            {<br>
                radGridView2.Invoke(new MethodInvoker(delegate ()<br>
                {<br>
                    _bindingSource = new BindingSource { DataSource = commandServer.GetDataGridSet(@"select key_socRabotnik, fio as [ФИО]<br>
                        from socRabotnik<br>
                        where statusDel = 0<br>
                        order by fio").Tables[0] };<br>
                    radGridView2.DataSource = _bindingSource;<br>
<br>
                    if (radGridView2.Columns.Count > 0)<br>
                    {<br>
                        radGridView2.Columns[0].IsVisible = false;<br>
                        radGridView2.AutoSizeColumnsMode = GridViewAutoSizeColumnsMode.Fill;<br>
                    }<br>
                    <br>
                    _bindingSource = new BindingSource { DataSource = commandServer.GetDataGridSet(@"select key_socRabotnik, fio as [ФИО]<br>
                        from socRabotnik left join spec_soc on key_socRabotnik = fk_socRabotnik<br>
                        where fk_socRabotnik is null").Tables[0] };<br>
                    radListView1.DataSource = _bindingSource;<br>
                    radListView1.DisplayMember = "[ФИО]";<br>
                    radListView1.ValueMember = "[ФИО]";<br>
                    radListView1.Columns[0].Visible = false;<br>
                }));<br>
            }<br>
            catch (Exception ex)<br>
            {<br>
                CommandClient commandClient = new CommandClient();<br>
                commandClient.WriteFileError(ex, null);<br>
            }<br>
        }</p>


ListView to GridView: It is dragged, deleted, but not in the grid.
GridView to ListView: error image

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Вадим
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