ADO Parameter object

Parameter 对象

ADO Parameter 对象可提供有关被用于存储过程或查询中的一个单个参数的信息。

Object na Parameter yana kama a karkashin yin kama, ana kama shi a cikin kungiyar Parameters. Kungiyar Parameters ta kama a karkashin wani Command na na, wanda amfani da shi domin kafa canzama a cikin hanyar da ake samar da jarirai da kwanan wata.

Canzama ke amfani da su kafa amfani da amfani. Ana amfani da amfani na wannan amfani domin samar da amfani da amfani a cikin lokacin da amfani ke aiki. Misali, SQL SELECT ɗan ake amfani da canzama domin kafa shiri na WHERE na kiyayewa, kuma amfani da canzama na karshe domin kafa sunan yankin na SORT BY.

akwaiyarin farihin da ke da sabon nau'warin: canzama, farihin shirin, canzama da shirin, da farihin shirin da ake samarwa.

farsa

objectname.property
objectname.method

Property

Property Description
Attributes Set or return the properties of a Parameter object.
Direction Set or return how a parameter is passed to or returned from a stored procedure.
Name Set or return the name of a Parameter object.
NumericScale Set or return the number of digits to the right of the decimal point of a numeric value in a Parameter object.
Precision Set or return the maximum number of digits allowed when representing a numeric value in a parameter.
Size Set or return the maximum size of the value in a Parameter object (in bytes or characters).
Type Set or return the type of a Parameter object.
Value Set or return the value of a Parameter object.

Method

Method Description
AppendChunk Append long binary or character data to a Parameter object.
Delete Remove an object from the Parameters collection.