Type ‘System.Data.DataColumn’ is not marked as serializable

Dear Team,

 

I am getting an error -

 

Server Error in '/' Application.

 

Type 'System.Data.DataColumn' in Assembly 'System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' is not marked as serializable.

 

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

 

Exception Details: System.Runtime.Serialization.SerializationException: Type 'System.Data.DataColumn' in Assembly 'System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' is not marked as serializable.

 

Source Error:

 

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

 

Stack Trace:

 

[SerializationException: Type 'System.Data.DataColumn' in Assembly 'System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' is not marked as serializable.]

System.Runtime.Serialization.FormatterServices.InternalGetSerializableMembers(RuntimeType type) +10565532

System.Runtime.Serialization.FormatterServices.GetSerializableMembers(Type type, StreamingContext context) +305

System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo.InitMemberInfo() +187

System.Runtime.Serialization.Formatters.Binary.WriteObjectInfo.InitSerialize(Object obj, ISurrogateSelector surrogateSelector, StreamingContext context, SerObjectInfoInit serObjectInfoInit, IFormatterConverter converter, ObjectWriter objectWriter) +681

System.Runtime.Serialization.Formatters.Binary.ObjectWriter.Serialize(Object graph, Header[] inHeaders, __BinaryWriter serWriter, Boolean fCheck) +1115

System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Serialize(Stream serializationStream, Object graph, Header[] headers, Boolean fCheck) +231

System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Serialize(Stream serializationStream, Object graph) +17

System.Web.UI.ObjectStateFormatter.SerializeValue(SerializerBinaryWriter writer, Object value) +3316

[ArgumentException: Error serializing value 'srnAppointmentofIDr_' of type 'System.Data.DataColumn.']

System.Web.UI.ObjectStateFormatter.SerializeValue(SerializerBinaryWriter writer, Object value) +3826

System.Web.UI.ObjectStateFormatter.Serialize(Object stateGraph) +72

System.Web.UI.Util.SerializeWithAssert(IStateFormatter formatter, Object stateGraph) +59

System.Web.UI.HiddenFieldPageStatePersister.Save() +89

System.Web.UI.Page.SaveAllState() +1117

System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3864

 

Version Information: Microsoft .NET Framework Version:2.0.50727.8762; ASP.NET Version:2.0.50727.8762