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ADO FetchProgress 事件


❮ Recordset 对象完整参考

FetchProgress 事件在异步操作中定期触发,以说明有多少条记录已提取到 Recordset 中。

语法

FetchProgress progress,maxprogress,status,objRs

参数 描述
progress

操作已提取的记录数

maxprogress

预计要提取的最大记录数

status 一个 EventStatusEnum 值,指示事件执行的状态
objRs 触发此事件的 Recordset 对象的名称

EventStatusEnum 值

常量 描述
adStatusOK 1 导致事件的操作成功
adStatusErrorsOccurred 2 导致事件的操作失败
adStatusCantDeny 3 导致事件的操作无法取消
adStatusCancel 4 导致事件的操作已取消
adStatusUnwantedEvent 5 在事件方法完成执行之前,防止后续通知

❮ Recordset 对象完整参考
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