There are plenty of items that get you a little more experience than daggers, but if I understand it correctly they turn out not to be as efficient because of the materials needed to create them. You might try raiding Halted Stream Camp for the Transmute spell (it's always there) and I think 50 some pieces of iron ore, then become a pickaxe hound. This will get you ore to make into silver and gold, and will up your alteration skill at the same time. When you encounter mages, keep their magicka regeneration and any alteration enchantments, so you can do more transmuting. Keep all your looted gems, and pump out gold and silver ore, then make jewelry. It's all free to get, just takes time. The more expensive, the better.
Jewelry is good, but if you can't mass-produce it (or don't wish to level Alteration), I would like to suggest making Leather Helmets. For the cost of two and a quarter leather per craft, you can gain a decent amount of experience with them, as they have a value of 60 gold (verses 25 for bracers that use one and a half leather per craft).
Quick Edit: A Silver Garnet Ring will give more experience than Gold Rings, so take into account the gems you have when you're transmuting.
A really good way to do it that isn't quite an exploit is this: first, hunt some animals and gather as many pelts as you can carry. Then find a tanning rack and make half the pelts into leather, half into leather strips. Then find a forge (the best place for this would obviously be Riverwood or the back of Warmaidens' in Whiterun) and make a full set of leather armor the first time. Then refine that set of armor on the workbench. That should up your Smithing level up a bit right there. Then unless you want to wear the set you made, sell it for extra gold. After that, gather more pelts and repeat the process. Make leather bracers or leather helmet, whichever costs less leather to make (can't remember off-hand). Refine what you made at the workbench. Sell for extra gold.
This way takes more time, but is an easy way to level up your Smithing over time, without exploiting your game, which can potentially unbalance it. If you have say, level 100 Smithing at level 10 and no combat skills on par with that, you're going to be facing some tough enemies with no ability to combat them. Not fun. This is the way I myself do it for that very reason. Obviously, refining any weapons and armor you get your hands on once you have the relevant perk will speed up the process even more. Ah, and of course if you have Hearthfire, building houses is a very good way to level up Smithing. Quick too.
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It took me days just to get my smithing up to a hundred when making iron daggers. Easiest way to level up smithing is using gold ore, and silver to create jewelry I made the mistake of selling my diamonds, emeralds, (etc) If you run out of gold go to the halted steam camp for iron then transmute it by finding a spell book in there another way for gold ore is a mine somewhere in markarth I forget where.
thanks
I found that farming gold and silver takes a lot of time since you have to sleep for ages waiting for the mines to respawn, since there are basically only 2.5 decent places to farm them.
So imho, the dwarven stuff route is much, much faster.