my project has 3 errors when add Infragistics.Win.UltraWinTree.UltraTree, 'Infragistics.Win.UltraWinSchedule.UltraCalendarCombo,
'Infragistics.Win.UltraWinSchedule.UltraCalendarInfo :
1)Error 10 Unable to resolve type 'Infragistics.Win.UltraWinTree.UltraTree, Infragistics2.Win.UltraWinTree.v8.1, Version=8.1.20081.1000, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb' D:\Projects\back\MidDebitDetail\AccountUI\Properties\licenses.licx 1 Ofogh.Account.UI
2)Error 11 Unable to resolve type 'Infragistics.Win.UltraWinSchedule.UltraCalendarCombo, Infragistics2.Win.UltraWinSchedule.v8.1, Version=8.1.20081.1000, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb' D:\Projects\back\MidDebitDetail\Afagh.Common.Control\Properties\licenses.licx 1 Afagh.Controls
3)Error 12 Unable to resolve type 'Infragistics.Win.UltraWinSchedule.UltraCalendarInfo, Infragistics2.Win.UltraWinSchedule.v8.1, Version=8.1.20081.1000, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb' D:\Projects\back\MidDebitDetail\Afagh.Common.Control\Properties\licenses.licx 2 Afagh.Controls
Please help me to 1:solve above errors and 2:download above Controls
You probably have CopyLocal or SpecificVersion set to true for the assembly references. Try removing and then readding them.