Hi All
I Have one Nullable property in Info Class
I want Fill the generic List By CBO.FillCollection
But I Can Not PerFormed this,I Read the Below Error Message :
Invalid cast from 'System.Int32' to 'System.Nullable'
pls Help me
Tanx a lot.

Sorry for the resurrect.

I just upgraded from 5.2.2 to 5.6.2 and the cbo.fillcollection barfed for me too. I have a bunch of class objects that use DateTime? they no longer work.

Do you have a suggestion for me? I can't find null.nulldatetime or even null.nullinteger for that matter.

Cheers.

It is funny, I found the solution to my issue by finding an answer to a question that was posted by a previous co-worker:
http://dnnqna.com/questions/126/how-to-properly-implement-ihydratable-interface-in-dnn

He also found the frustration that the forced use of Ihydratable imposed on those that use CBO with nullable objects--> You have to always return all properties of an object or have to put if(datareader.getschematable.columns.contains("COLUMN_NAME")) checks before each property in the Fill implementation.

Often times I have large objects that, for all of their uses, do not require pulling back all of the object data each time i want some bit of information on it. Nor do I want to have to create a new object for each set of the same object data I want to pull back.

This has made the quickness at which I could develop via class object much slower.

Any idea on how I could dynamically use linq to create temorary object classes on the fly based off of column data?

I guess I will start an object that is generic and create properties on the fly each time it is hit with a datareader. But if something similar already exists that would be great.