怎样判断clientdataset的delta值为空？(30分)

B

biggo

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GUEST, unregistred user!

• 2002-03-29

• #1

[][][8D][][!][^][?]

 

G

GanQuan

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GUEST, unregistred user!

• 2002-03-29

• #2

if varIsEmpty(Clientdataset1.Delta) then

 

G

GanQuan

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GUEST, unregistred user!

• 2002-03-29

• #3

错了，sorry.是这样
if varIsNull(Clientdataset1.Delta) then