The maximum size, in logical units, of the underlying field type of the user-defined type.
Assembly: System.Data (in System.Data.dll)
Logical unit is bytes (with a maximum size of 8000) for the binary and non-Unicode data types, and the number of Unicode characters (with a maximum size of 4000) for the character field types.
The value -1 is reserved for large character and binary types.
The default value is 4000 for Unicode character types and 8000 for binary and non-Unicode types.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.