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procedure Tfmspcgsh.SpeedButton1Click(Sender: TObject);
begin
form4.QuickRep1.Preview //产生错误EAccessvidation with message'Access vidation at address...,read od address 0000000
end;
form4里的数据源连在fmsocgsh里面的ADOquery
请高手指点一下可能是什么问题!!!!!
begin
form4.QuickRep1.Preview //产生错误EAccessvidation with message'Access vidation at address...,read od address 0000000
end;
form4里的数据源连在fmsocgsh里面的ADOquery
请高手指点一下可能是什么问题!!!!!