如何判断ClientDataSet1.Fields[j].Value 为空 即字段为空 (15分)

T

thomashukaidi

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GUEST, unregistred user!

• 2002-11-25

• #1

如何判断ClientDataSet1.Fields[j].Value 为空
即字段为空

 

晴

晴

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• 2002-11-25

• #2

if ClientDataSet1.Fields[0].IsNull then ...

 

B

bes96261

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GUEST, unregistred user!

• 2002-11-25

• #3

ClientDataSet1.Fields[j].IsNull

 

9

94132195

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GUEST, unregistred user!

• 2002-11-25

• #4

if length(ClientDataSet1.Fields[0].value)=0 then

 

T

thomashukaidi

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GUEST, unregistred user!

• 2002-11-26

• #5

多人接受答案了。