IsNumeric 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 IsNumeric property is TRUE if the system data type referenced is an exact, numeric data type.
語法
object
.IsNumeric
Parts
- object
An expression that evaluates to an object in the Applies To list
Data Type
Boolean
Modifiable
Read-only
Prototype (C/C++)
HRESULT GetIsNumeric(LPBOOL pRetVal);
備註
Exact numeric data types are scaled integer values represented as strings. If a column using an exact numeric data type is being defined, precision and scale are specified, as in decimal(12, 4).