How get data from material-ui TextField, DropDownMenu components?

Question

I create form, I have several TextField, DropDownMenu material-ui components included, question is how I can collect all data from all TextFields, DropDownMenus in one obj and s

Answer 1

flson's code did not work for me. For those in the similar situation, here is my slightly different code:

get its value using

this.refs.myTextField.input.value