Object reference not set to an instance of an object.

   at Infragistics.Shared.Serialization.Binder.FindType(Assembly assembly, String assemblyName, String typeName)
   at Infragistics.Shared.Serialization.Binder.BindToTypeImpl(String assemblyName, String typeName)
   at Infragistics.Shared.Serialization.Binder.BindToType(String assemblyName, String typeName)
   at Infragistics.Win.Serialization.Binder.BindToType(String assemblyName, String typeName)
   at Infragistics.Win.UltraWinGrid.Serialization.Binder.BindToType(String assemblyName, String typeName)
   at System.Runtime.Serialization.Formatters.Soap.ObjectReader.Bind(String assemblyString, String typeString)
   at System.Runtime.Serialization.Formatters.Soap.SoapHandler.ProcessGetType(String value, String xmlKey, String& assemblyString)
   at System.Runtime.Serialization.Formatters.Soap.SoapHandler.ProcessType(ParseRecord pr, ParseRecord objectPr)
   at System.Runtime.Serialization.Formatters.Soap.SoapHandler.ProcessAttributes(ParseRecord pr, ParseRecord objectPr)
   at System.Runtime.Serialization.Formatters.Soap.SoapHandler.StartChildren()
   at System.Runtime.Serialization.Formatters.Soap.SoapParser.ParseXml()
   at System.Runtime.Serialization.Formatters.Soap.SoapParser.Run()
   at System.Runtime.Serialization.Formatters.Soap.ObjectReader.Deserialize(HeaderHandler handler, ISerParser serParser)
   at System.Runtime.Serialization.Formatters.Soap.SoapFormatter.Deserialize(Stream serializationStream, HeaderHandler handler)
   at System.Runtime.Serialization.Formatters.Soap.SoapFormatter.Deserialize(Stream serializationStream)
   at Infragistics.Win.UltraWinGrid.UltraGridLayout.LoadHelper(Stream stream, PropertyCategories propertyCategories, IFormatter formatter)
   at Infragistics.Win.UltraWinGrid.UltraGridLayout.LoadFromXml(Stream stream, PropertyCategories propertyCategories)