Answer: Option 1
If the element is a data element, the value is the value of the element’s value attribute, if it has one, or the empty string otherwise.
Answer: Option 2
datafld attribute specifies the column name from the data source object that supplies the bound data. This attribute is specific to Microsoft’s data binding.
Answer: Option 1
The input element with a type attribute whose value is “range” represents an imprecise control for setting the element’s value to a string representing a number.