this really worked but I had created the other combo boxes with help of loop i.e. “looping the widget which has combo box” creating multiple combo boxes now it save and loads but mixes up the information from other boxes !! 
this really worked but I had created the other combo boxes with help of loop i.e. “looping the widget which has combo box” creating multiple combo boxes now it save and loads but mixes up the information from other boxes !!