Extend Dropdown Form For Free

The size attribute specifies the number of visible options in a drop-down list. If the value of the size attribute is greater than 1, but lower than the total number of options in the list, the browser will add a scroll bar to indicate that there are more options to view.

How to create an automatically extended or dynamic drop-down list In the Allow drop-down list, select List. In the Source box, enter the following formula: = OFFSET (<first cell>, 0, 0, COUNTA (<column>), 1) For this example:Make sure that the In-Cell Dropdown option is checked.

On the worksheet where you applied the drop-down list, select a cell that has the drop-down list. Go to Data > Data Validation. On the Settings tab, click in the Source box, and then change your list items as needed.

The length of the drop-down box is not big enough to display the entire text. The simple solution is to widen the column that the drop-down box is in. You can adjust the column manually by dragging the border of the column header.

Edit a drop-down list with items that have been entered manually. On the worksheet where you applied the drop-down list, select a cell that has the drop-down list. Go to Data > Data Validation. On the Settings tab, click in the Source box, and then change your list items as needed.

There is no way to do it in pure HTML as per . You can set it using the style element, though which is kind of without css in that it is inline.

There are limits to the number of items that will show in a data validation drop down list: The list can show up to show 32,767 items from a list on the worksheet. If you type the items into the data validation dialog box (a delimited list), the limit is 256 characters, including the separators.