我有40个DBEdit,现在想读取每个DBEdit的关联字段名(FieldName),用一个循环该怎么写?
强制类型转换TDBEdit(FindComponent('DBEdit'+intToStr(i))).Field.FieldName;好像会出错??
谢谢!!
强制类型转换TDBEdit(FindComponent('DBEdit'+intToStr(i))).Field.FieldName;好像会出错??
谢谢!!
var
I: Integer;
vDBEdit: TDBEdit;
begin
for I := 1 to 40 do
begin
TComponent(vDBEdit) := FindComponent(Format('DBEdit%d', [I]));
if Assigned(vDBEdit) and Assigned(vDBEdit.Field) then
{ TODO : 处理vDBEdit.Field.FieldName };
end;
end;
var
i:integer;
begin
for i:=0 to 40 do
begin
if Components[i] is TDBEdit then
ShowMessage(TDBEdit(Components[i]).DataField);
end;
end;
如果报错你可以找我。^_^