Hello.
There is a need to store of multi checkbox data, so I used ARRAY_SIMPLE and TYPE_SERIALIZED in DataWriter then I have got some blob data like this;
row sample;
a:4:{i:0;s:6:"mitem1";i:1;s:6:"mitem2";i:2;s:6:"mitem3";i:3;s:6:"mitem5";}
In my view page but it won't parsed. I don't know...