I have this error String or binary data would be truncated

Question

Hi all
 I have this error String or binary data would be truncated
when execute query insert, update multiple line data into table with column has type data ntext & text.
I get text from CKEditor control asp.net 2.0 and execute by GUI web form, this control to post comment has not tag code so I can not post my code

Please help me process this error

Thanks so much