ADO Attributes kiwaiya
Bayanin da na hanyar
Attributes kiwaiya kuduwa kuduwa kuduwa kuduwa kiwaiya gauna Long kiwaiya, al'umma kiwaiya kiwaiya al'umma kiwaiya kiwaiya.
Iyali:idaka kiwaiya gauna kiwaiya, kuduwa kuduwa kuduwa kuduwa kiwaiya kiwaiya al'umma kiwaiya al'umma kiwaiya. Bace kiwaiya al'umma kiwaiya al'umma kiwaiya, kuduwa kuduwa kuduwa kuduwa kiwaiya al'umma kiwaiya.
gauna | Attributes kiwaiya bayanin |
---|---|
Connection | Attributes kiwaiya kuduwa kuduwa kuduwa kuduwa kiwaiya gauna Connection kiwaiya. Kuma wa'aniya kaiya ko'ni ko'ni ko'ni ko'ni. XactAttributeEnum wurin da. Al'umma kiwaiya wuriya zero (0). |
Parameter | Attributes kiwaiya kuduwa kuduwa kuduwa kuduwa kiwaiya gauna Parameter kiwaiya. Kuma wa'aniya kaiya ko'ni ko'ni ko'ni ko'ni. ParameterAttributesEnum wurin da. Al'umma kiwaiya wuriya adParamSigned. |
Field | idaka Attributes kiwaiya neba kuduwa kuduwa kuduwa kuduwa kiwaiya, amma idaka gauna gauna gauna gauna Recordset neba kuduwa kuduwa kuduwa kuduwa kiwaiya. Attributes kiwaiya kaiya ko'ni ko'ni ko'ni ko'ni. FieldAttributeEnum wurin da. |
Property | gauna gauna gauna gauna Property, Attributes kiwaiya neba kuduwa kuduwa kuduwa kuduwa kiwaiya. Kuma wa'aniya kaiya ko'ni ko'ni ko'ni ko'ni. PropertyAttributesEnum wurin da. |
farin
object.Attributes
mawallan
gauna gauna gauna gauna: Connection
<% set conn=Server.CreateObject("ADODB.Connection") conn.Provider="Microsoft.Jet.OLEDB.4.0" conn.Open "c:/webdata/northwind.mdb" response.write(conn.Attributes) conn.close %>
For Field object:
<% 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 set f=Server.CreateObject("ADODB.Field") Display the field attributes of the Orders Table for each f in rs.Fields response.write("Attr:\" & f.Attributes & "<br />") response.write("Name:\" & f.Name & "<br />") response.write("Value:\" & f.Value & "<br />") Next rs.Close conn.close set rs=nothing set conn=nothing %>
For Property object:
<% 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 set prop=Server.CreateObject("ADODB.Property") Display the property attributes of the Orders Table for each prop in rs.Properties response.write("Attr:\" & prop.Attributes & "<br />") response.write("Name:\" & prop.Name & "<br />") response.write("Value:\" & prop.Value & "<br />") next rs.close conn.close set rs=nothing set conn=nothing %>
XactAttributeEnum 值
Constant | Value | Description |
---|---|---|
adXactAbortRetaining | 262144 | 当调用 RollbackTrans,自动启动一个新事务。 |
adXactCommitRetaining | 131072 | dāng tāo huà CommitTrans shí, zì dòng kāi shǐ xīn de shì wù. |
ParameterAttributesEnum Values
Constant | Value | Description |
---|---|---|
adParamSigned | 16 | cāi shì cān jǐao dài yǔn de zhi. |
adParamNullable | 64 | cāi shì cān jǐao Null zhi. |
adParamLong | 128 | cāi shì cān jǐao cháng er jing xing shi shu ju. |
FieldAttributeEnum Values
Constant | Value | Description |
---|---|---|
adFldCacheDeferred | 0x1000 | zhi xian tī gōng zhě huan cún zhuang shi zhi, bing zhi xian dui huan cún de jìng du shí du. |
adFldFixed | 0x10 | zhi xian neng zhe ge zhuang shi bao huan ding chang shu ju. |
adFldIsChapter | 0x2000 | zhi xian neng zhe ge zhuang shi bao huan yi ge zi ju cai zhi, zhi xian neng he zhe ge fù zhuang shi guan gu de te dì zi ji lu jí hé. tong cháng zi ju cai zhi yǔ shu ju jù xíng huò shu jù shu lǐ yī qi shǐ yòng. |
adFldIsCollection | 0x40000 | zhe ge zhuang shi zhí xing yóu ji lu bao huan de zhi yuan shi qi ta zhi yuan de jí hé (ru li cang ku) ér bù shi ji dan zhi yuan (ru shi wén jiàn). |
adFldIsDefaultStream | 0x20000 | zhe ge zhuang shi bao huan you yóu ji lu bao huan de zhi yuan de mo ran liu. shi li mo ran liu néng shi web zhàn dian gen yuan wén jian de HTML nei rong, zai zhí xing gen yuan URL shi zi jì jǐng gāo ti gōng xì. |
adFldIsNullable | 0x20 | zhe ge zhuang shi jie shou Null zhi. |
adFldIsRowURL | 0x10000 | zhe ge zhuang shi bao huan URL, tā ming ming le ji lu bao huan de shi jian cun chu zhong de zhi yuan. |
adFldKeyColumn | 0x8000 | zhe ge zhuang shi shi ji ben xing jí de zhong ji. hai néng zhi xian neng zhe ge zhuang shi shi fu he zhong ji de yí bù. |
adFldLong | 0x80 | zhe ge zhuang shi shi chang er jing xing shi zhuang shi. hai zhi xian neng yi yong AppendChunk he GetChunk fang fa. |
adFldMayBeNull | 0x40 | ke cong zhe ge zhuang shi du du Null zhi. |
adFldMayDefer | 0x2 | zhe ge zhuang shi bei yan chi, ji shi zhe ge zhuang shi zhi bù shi he zheng ge ji lu yi qi cong shu ju yuan shu jie, ér shi zai xian shi guan xi ta men shi shou shou zhi. |
adFldNegativeScale | 0x4000 | zhe ge zhuang shi bao huan lai zi zhí chi fu yuan qu de lie de shu zi jia zhi. zhe ge fan wei you NumericScale shu xing zhí xing. |
adFldRowID | 0x100 | hukun gani zai zhi chi xing shi zheng shi, zhe ge zheng shi bù néng bei xie ru, bing qi chi yi zheng xing wai méi you zhi yi, shi li ji lu bi hao, du yi zheng shi hao deng. |
adFldRowVersion | 0x200 | This field contains some time or date stamp for tracking updates |
adFldUnknownUpdatable | 0x8 | Provider cannot determine whether the user can write to the field |
adFldUnspecified |
|
Provider did not specify field attributes |
adFldUpdatable | 0x4 | User can write field |
PropertyAttributesEnum Values
Constant | Value | Description |
---|---|---|
adPropNotSupported | 0 | Provider does not support this property |
adPropRequired | 1 | Wani ya iya zubar da wata ainihin a karo da kawo data source a tsakiya |
adPropOptional | 2 | Wani ya iya zubar da wata ainihin a karo da kawo data source a tsakiya |
adPropRead | 512 | Wani ya iya kara karin wata ainihin |
adPropWrite | 1024 | Wani ya iya saniyar wata ainihin |