http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemtextstringbuilderclasscapacitytopic.aspStringBuilder.MaxCapacity PropertyGets the maximum capacity of this instance.You can also test it:http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfsystemtextstringbuilderclasscapacitytopic.aspStringBuilder.EnsureCapacity MethodEnsures that the capacity of this instance of StringBuilder is at least thespecified value.KenMicrosoft MVP [ASP.NET]<avarg***@gmail.com> wrote in messagenews:1151585084.980901.268***@i40g2000cwc.googlegroups.com...> Hello,>> I'm using a Stringbuilder to building dynamic HTML, and I was wondering> how long it can get before it gives up.  I won't know the length of the> HTML until it's finished building it.  I've read a few articles that> suggest setting an initial size when you instantiate it, but will that> work even if I don't know how much I'm storing?>> Any help would be appreciated.  Thanks!>