【问题标题】:Janus GridEX crashes when i drag a grouping column out of Janus Control当我将分组列拖出 Janus Control 时,Janus GridEX 崩溃
【发布时间】:2019-03-22 07:46:32
【问题描述】:

我有一个带有一堆列的 Janus Grid。我目前具有分组功能,只需将列拖到顶部,我就可以根据任何列对网格进行分组。

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

我收到以下崩溃日志。

请帮忙。顺便说一句,Janus 文档很烂。

    ************** 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)

【问题讨论】:

    标签: c# wpf janus gridex


    【解决方案1】:

    新版本的 Janus 已解决此问题。

    【讨论】:

      【解决方案2】:
      try
      {
          gdRPFecha.RootTable.Groups.Clear();
      }
      catch (Exception error)
      {
      }
      

      为我工作

      【讨论】:

      • 请考虑详细说明您的问题,描述为什么它可以解决问题。
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