Word interop problem : String parameter too long.

Hi

i'm using wordApp.Selection.Find.Execute to replace my text with some tags in the word doc. but if my text is long, i'm facing this error :

String parameter too long.

how to solve this problem ?

i'm using word 2007 object library.

thanks in advance

http://www.codeproject.com/KB/codegen/DatabaseHelper.aspx