AllowLength Property
未來的 Microsoft SQL Server 版本將移除這項功能。請避免在新的開發工作中使用這項功能，並規劃修改目前使用這項功能的應用程式。
The AllowLength property exposes the ability to qualify a data type using a length parameter.
語法
object
.AllowLength
Parts
- object
An expression that evaluates to an object in the Applies To list
Data Type
Boolean
Modifiable
Read-only
Prototype (C/C++)
HRESULT GetAllowLength(LPBOOL pRetVal);
備註
AllowLength is TRUE for data types that accept a length qualification. For example, the property is TRUE for the SystemDatatype object referencing the varchar data type.