iError2
The type 'System.Runtime.Serialization.IExtensibleDataObject' is defined in an assembly that is not referenced. You must add a reference to assembly 'System.Runtime.Serialization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089'.D:\Durga\WebApplication6\WebApplication6\WebForm1.aspx.cs5524
WebApplication6