protected async Task OnRowDraggedAsync(RowDragEventArgs args)
{
try
{
if (ListContext == null)
{
throw new InvalidOperationException();
}
var editContext = ListContext.EditContexts.FirstOrDefault(x => x.Entity.Id == args.SubjectId);
if (editContext == null)
{
throw new InvalidOperationException();
}
editContext.NotifyReordered(args.TargetId);
ListContext.EditContexts.Remove(editContext);
if (args.TargetId == null)
{
ListContext.EditContexts.Add(editContext);
}
else
{
ListContext.EditContexts.Insert(
ListContext.EditContexts.FindIndex(x => x.Entity.Id == args.TargetId),
editContext);
}
await SetSectionsAsync(ListContext);
StateHasChanged();
}
catch (Exception ex)
{
HandleException(ex);
}
}
private void MainGrid_RowDrag(object sender, RowDragEventArgs e)
{
GridEXRow row = this.MainGrid.GetRow();
if (row != null && row.RowType == RowType.Record && row.DataRow != null)
{
System.Windows.Forms.DataObject dataObject = new System.Windows.Forms.DataObject();
dataObject.SetData(new TickerString((string)row.Cells["Ticker"].Value));
GridEXColumn gridEXColumn = this.MainGrid.ColumnFromPoint();
if (gridEXColumn != null)
{
if (gridEXColumn.DataMember == "Ticker" || System.Windows.Forms.Control.ModifierKeys == System.Windows.Forms.Keys.Control)
{
string[] array = (
from x in this.MainGrid.RootTable.Columns.OfType<GridEXColumn>()
where x.Visible
orderby x.Position
select this.GetRTDString((string)row.Cells["Ticker"].Value, x.DataMember)).ToArray<string>();
array[0] = (string)row.Cells["Ticker"].Value;
dataObject.SetData(System.Windows.Forms.DataFormats.Text, string.Join("\t", array));
}
else
{
dataObject.SetData(System.Windows.Forms.DataFormats.Text, this.GetRTDString((string)row.Cells["Ticker"].Value, gridEXColumn.DataMember));
}
}
this.MainGrid.DoDragDrop(dataObject, System.Windows.Forms.DragDropEffects.Copy);
}
}
