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The Precision property sets or returns a byte value that is the maximum number of digits allowed when representing numeric values in a Parameter or Field object.
Precision属性的作用是:设置或返回一个参数或字段对象中数值所允许的最大位数(以字节数表示)。
Object对象 | Description of the Precision Property Precision属性描述 |
---|---|
Field | The Precision property is normally read-only on a Field object, but for new Field objects that have been added to the Fields collection of a Record, it is read/write after the Value property for the Field has been specified and the provider has successfully added the new Field by calling the Update method of the Fields collection |
Parameter | The Precision property has read/write permissions on a Parameter object Precision[精确度]属性对于Parameter[参数]对象的权限是可读/可写 |
objectname.Precision |
<% set conn=Server.CreateObject("ADODB.Connection") conn.Provider="Microsoft.Jet.OLEDB.4.0" conn.Open "c:/webdata/northwind.mdb" set rs = Server.CreateObject("ADODB.Recordset") rs.open "Select * from orders", conn response.write(rs.Fields(0).Precision) rs.Close conn.close %> |