当我将分组列拖出 Janus Control 时，Janus GridEX 崩溃

Question

我有一个包含许多列的 Janus 网格。我目前有分组功能，让我只需将列拖到顶部即可根据任何列对网格进行分组。

假设我按 "Country" 列分组。现在我从视图中删除列 "Country"。在这一点上，我仍然有按 "Country" 分组的网格。现在，当我将按国家/地区分组的组拖到网格外以删除分组时，我的应用程序崩溃了。

我得到以下崩溃日志。

请帮忙。 Janus 文档很糟糕。

    ************** Exception Text **************
System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.
Parameter name: index
   at System.Collections.ArrayList.get_Item(Int32 index)
   at Janus.Data.JanusCollectionBase.System.Collections.IList.get_Item(Int32 index)
   at Janus.Data.JanusGroupCollectionBase.BaseGet(Int32 index)
   at Janus.Windows.GridEX.GridEXTable.f(Graphics , GridEXRow , JanusRow , GridEXFormatStyle , Int32 )
   at Janus.Windows.GridEX.GridEX.a(Graphics , Boolean )
   at Janus.Windows.GridEX.GridEX.a(Graphics )
   at Janus.Windows.GridEX.GridEX.t()
   at Janus.Windows.GridEX.GridEX.GetCellBounds(Int32 rowPosition, GridEXColumn column)
   at Janus.Windows.GridEX.GridEX.bz()
   at Janus.Windows.GridEX.Data.JNSAB.OnSuspendRowManagerIndex()
   at Janus.Data.JanusRowManager.SuspendIndex()
   at Janus.Data.DataSourceManager.a(JanusTableBase )
   at Janus.Data.JanusTableBase.OnGroupSettingsChanged(CollectionChangeType change, JanusGroupBase group)
   at Janus.Data.JanusTableBase.Janus.Data.ICollectionOwner.OnCollectionChanged(Object collection, CollectionChangeType change, Object item)
   at Janus.Data.JanusCollectionBase.OnRemoveComplete(Int32 index, Object value)
   at Janus.Windows.GridEX.GridEXGroupCollection.OnRemoveComplete(Int32 index, Object value)
   at Janus.Data.JanusCollectionBase.System.Collections.IList.RemoveAt(Int32 index)
   at Janus.Data.JanusCollectionBase.System.Collections.IList.Remove(Object value)
   at Janus.Windows.GridEX.GridEXGroupCollection.Remove(GridEXGroup group)
   at Janus.Windows.GridEX.GridEX.c(Boolean )
   at Janus.Windows.GridEX.GridEX.OnMouseUp(MouseEventArgs e)
   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
   at System.Windows.Forms.ContainerControl.WndProc(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

Answer 1

新版本的 Janus 已修复此问题。

Answer 2

try
{
    gdRPFecha.RootTable.Groups.Clear();
}
catch (Exception error)
{
}

适合我

当我将分组列拖出 Janus Control 时，Janus GridEX 崩溃

Janus GridEX crashes when i drag a grouping column out of Janus Control

c#

wpf

janus

gridex