my 9 month old still won't eat solids

Am
Anyone else in this boat? My son wants no part of it.  Now if I'm eating a cookie he grabs it tries too of course I don't let him have it lol.  He also grabs my cups and stuff as well.  But when I give him food or leave some for him he plays with it and don't eat. How did you get your babies eating ??? Advice please :). Doc wants me to get iron foods in him for the iron aspect 
TIA :)