請問要偵測query的狀態要用什麼方法 比如是在edit or insert 等... 謝謝 oh~mygod

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oh~mygod

if (Query1.State = dsBrowse) then begin //............. end; if (Query1.State in [dsInsert,dsEdit]) then begin //............. end

下面是delphi的heip 抱歉 貼的不好 但重點在紅色字的描述狀態的種類    Indicates the current operating mode of a dataset component.    Unit    DB    type TDataSetState = (dsInactive, dsBrowse, dsEdit, dsInsert, dsSetKey, dsCalcFields, dsFilter, dsNewValue, dsOldValue, dsCurValue, dsBlockRead, dsInternalCalc, dsOpening); Description TDataSetState represents the values that may be in the State property of a dataset component. TDataSetState indicates the current operating mode of that dataset component. The following table lists all possible values in the TDataSetState type and describes what they indicate in the State property: Value Meaning dsInactive Dataset is closed, so its data is unavailable. dsBrowse Data can be viewed, but not changed. This is the default state of an open dataset. dsEdit Active record can be modified. dsInsert The active record is a newly inserted buffer that has not been posted. This record can be modified and then either posted or discarded. dsSetKey TTable and TClientDataSet only. Record searching is enabled, or a SetRange operation is under way. A restricted set of data can be viewed, and no data canbe edited or inserted. dsCalcFields An OnCalcFields event is in progress. Noncalculated fields cannot be edited, and new records cannot be inserted. dsFilter An OnFilterRecord event is in progress. A restricted set of data can be viewed. No data can edited or inserted. dsNewValue Temporary state used internally when a field components NewValue property is accessed. dsOldValue Temporary state used internally when a field components OldValue property is accessed. dsCurValue Temporary state used internally when a field components CurValue property is accessed. dsBlockRead Data-aware controls are not updated and events are not triggered when moving to the next record. dsInternalCalc Temporary state used internally when values need to be calculated for a field that has a FieldKind of fkInternalCalc. dsOpening DataSet is in the process of opening but has not finished.This state occurs when the dataset is opened for asynchronous fetching. 回首來時路 也無風雨也無晴~~@.@

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天行健
君子當自強不息~~@.@