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  • Failed to Compare two elments in a array.

    最近遇到一个奇怪的问题,是第三方控件Third Party的问题,

    Failed to Compare two elments in a array.

    System.InvalidOperationException: Failed to compare two elements in the array. ---> System.NullReferenceException: Object reference not set to an instance of an object.
       at Infragistics.Win.ValueListItemsCollection.ValueListComparer.Compare(Object o1, Object o2)
       at System.Array.BinarySearch(Array array, Int32 index, Int32 length, Object value, IComparer comparer)
       --- End of inner exception stack trace ---
       at System.Array.BinarySearch(Array array, Int32 index, Int32 length, Object value, IComparer comparer)
       at System.Collections.ArrayList.BinarySearch(Int32 index, Int32 count, Object value, IComparer comparer)
       at System.Collections.ArrayList.BinarySearch(Object value, IComparer comparer)
       at Infragistics.Win.ValueListItemsCollection.IndexOf(Object valueListItem)
       at Infragistics.Win.ValueList.set_SelectedItem(Object value)
       at K2.Mod.Core.DocumentOrganiseEdit.PopulateDropDown() in D:\K2Development\K2\K2.Mod.Core\Document Organiser\DocumentOrganiseEdit.cs:line 431
       at K2.Mod.Core.DocumentOrganiseEdit.InitializeData() in D:\K2Development\K2\K2.Mod.Core\Document Organiser\DocumentOrganiseEdit.cs:line 345
       at K2.Mod.Core.DocumentOrganiseEdit.DocumentOrganiseEdit_Shown(Object sender, EventArgs e) in D:\K2Development\K2\K2.Mod.Core\Document Organiser\DocumentOrganiseEdit.cs:line 80

    网上搜了下是因为没有实现IComparable接口。

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  • 原文地址:https://www.cnblogs.com/shenfengok/p/2611670.html
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