lambda_expression_decompiled.cs

// following is analog of the o => o.ContextID == ContextId; 

var recordType = typeof(NventstoreProduct);			
var recordParam = Expression.Parameter(recordType, "o");
var recordContextIDProperty = Expression.Property(recordParam,
	recordType.GetProperty("ContextID"));

var serviceType = typeof (Nventstore);			

var thisContextIDProperty = Expression.Property(Expression.Constant(this, serviceType),
								 serviceType.GetProperty("ContextId"));

var thisContextIDPropertyConveterd = Expression.Convert(thisContextIDProperty, typeof (Guid?));

return Expression.Lambda<Func<NventstoreProduct, bool>>(Expression.Equal(recordContextIDProperty, thisContextIDPropertyConveterd), recordParam);