RecordsetChangeComplete
ADO WillChangeRecordset va RecordsetChangeComplete hodisalari
❮ Recordset obyektining to‘liq ma’lumotnomasi
WillChangeRecordset hodisasi
WillChangeRecordset hodisasi biror amal Recordset’ni o‘zgartirishidan oldin ishga tushadi.
Eslatma: Bu hodisa qaytishidan oldin unga sabab bo‘lgan amalni bekor qilish uchun status parametrini adStatusCancel qiymatiga yoki keyingi bildirishnomalarning oldini olish uchun adStatusUnwantedEvent qiymatiga o‘rnating.
RecordsetChangeComplete hodisasi
RecordsetChangeComplete hodisasi Recordset o‘zgargandan keyin ishga tushadi.
Eslatma: Keyingi bildirishnomalarning oldini olish uchun bu hodisa qaytishidan oldin status parametrini adStatusUnwantedEvent qiymatiga o‘rnating.
Eslatma: WillChangeRecordset va RecordsetChangeComplete hodisalari Recordset obyektining Requery yoki Open metodi chaqirilganda yuz berishi mumkin.
Sintaksis
WillChangeRecord reason,status,objRs
RecordsetChangeComplete reason,objErr,status,objRs
| Parametr | Tavsif |
|---|---|
| reason | Bu hodisaning sababini belgilovchi EventReasonEnum qiymati |
| status | Hodisa bajarilishi holatini ko‘rsatuvchi EventStatusEnum qiymati |
| objErr | Agar status adStatusErrorsOccurred qiymatiga o‘rnatilgan bo‘lsa, xatoni tavsiflovchi Error obyektining nomi, aks holda u o‘rnatilmaydi |
| objRs | Bu hodisani ishga tushirgan Recordset obyektining nomi |
EventReasonEnum qiymatlari
| Konstanta | Qiymat | Tavsif |
|---|---|---|
| adRsnRequery | 7 | Amal Recordset’ni qayta so‘rov (requery) orqali yangiladi |
| adRsnResynch | 8 | Amal Recordset’ni ma’lumotlar bazasi bilan qayta sinxronladi |
| adRsnClose | 9 | Amal Recordset’ni yopdi |
EventStatusEnum qiymatlari
| Konstanta | Qiymat | Tavsif |
|---|---|---|
| adStatusOK | 1 | Hodisaga sabab bo‘lgan amal muvaffaqiyatli bajarildi |
| adStatusErrorsOccurred | 2 | Hodisaga sabab bo‘lgan amal muvaffaqiyatsiz tugadi |
| adStatusCantDeny | 3 | Hodisaga sabab bo‘lgan amalni bekor qilib bo‘lmaydi |
| adStatusCancel | 4 | Hodisaga sabab bo‘lgan amal bekor qilinadi |
| adStatusUnwantedEvent | 5 | Hodisa metodi bajarilishini tugatmaguncha keyingi bildirishnomalarning oldini oladi |
❮ Recordset obyektining to‘liq ma’lumotnomasi
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