想判断DBGrid中数据的条件:
if DBGrid2.Columns[4].AssignedValues = 0 then //这个条件对吗??要如何写?
begin
button1.Visible:=false;
end
else
c.CommandText:='update common set PREELEC=NOWELEC,NOWELEC=0.00,NOWDEGREE=0.00,ELEC=0.00';
c.Execute;
dm.df.Active:=false; //
dm.df.Active:=true;
button1.Visible:=false;
end;
if DBGrid2.Columns[4].AssignedValues = 0 then //这个条件对吗??要如何写?
begin
button1.Visible:=false;
end
else
c.CommandText:='update common set PREELEC=NOWELEC,NOWELEC=0.00,NOWDEGREE=0.00,ELEC=0.00';
c.Execute;
dm.df.Active:=false; //
dm.df.Active:=true;
button1.Visible:=false;
end;
解决方案 »
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