tdataset_beforeinsert.htm
来自「Absolute Database 5.12 src. Absolute Da」· HTM 代码 · 共 48 行
HTM
48 行
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<span style="font-family:Helvetica,Arial; font-size:12pt; color:#000000"><b>TDataSet.BeforeInsert
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</b><span style="font-family:Helv; font-size:9pt; color:#000000"><span style="font-family:Helv; font-size:9pt; color:#7F0000"><a href=tdataset.htm>TDataSet</a></span></span><span style="font-family:Helvetica,Arial; font-size:12pt; color:#000000"><b>
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<span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000">Occurs before an application enters insert mode.
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<b>property</b> BeforeInsert: <a href=tdatasetnotifyevent_type.htm>TDataSetNotifyEvent</a>;
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<b>Description</b>
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Write a BeforeInsert event handler to take specific action before an application inserts or appends a new record. The Insert or Append method generates a BeforeInsert method before it sets the dataset into dsInsert state.
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