Html dropdown selected

The selected attribute is a boolean attribute. When present, it specifies that an option should be pre- selected when the page loads. The pre- selected option will be displayed first in the drop-down list. How do I get the selected value from a dropdown list using JavaScript? I tried the methods below, but they all return the selected index instead of the value: var as = document.

DropdownListFor selected value.

How can I set the default value for an HTML. This is how the HTML code above will be displayed in a browser: You can also define the size of the. Note: If the drop-down list allows multiple selections it will only return the index of the first option selected. Note: The value -will deselect all options (if any). A JavaScript example to show you how to get the selected value or text from a dropdown list.

Get selected text from a drop-down list (select box) using jQuery. You get your selected dropdown value and text. So what would you like instead?

A button that when clicke is replaced with the dropdown ? If you click the save button, your code will be save and you get an URL you can share with others. The drop down lists is another way to give the user the opportunity to choose just one of a series of choices. When would you use the drop down list?

As the first item on the list is normally the default choice, using the drop down list can been a good choice when you know that a specific option is often chosen over the other. Initializing a dropdown with pre-existing HTML allows for greater performance than initializing a dropdown directly on a select element. Any select element initialized as dropdown will also be hidden until Javascript can create HTML , this is to avoid the flash of unstyled content, and the change in element height adjusting page flow. An example to get value in PHP script.

This index starts from and returns -if no option is selected. The elements are sorted according to the source code of the page. The index found before it can be used with this property to get the selected element. Otherwise, you need to reload your page everytime the value in select element changes. Using the DropDownList Helper with ASP.

This tutorial will teach you the basics of working with the DropDownList helper and the ListBox helper in an ASP. In this case, each case is redirecting to the corresponding page to the selected country. If the selected country is not found in one of the cases, the “default” case is assume and “Error!

The second method is just passing the selected value to the header function to redirect to the correct page.

Here we are using an if else statement. In if condition we are comparing the user selected value with dropdown value. When the user selected value is (is the value of sad we can see in the HTML ) then sad will select and a text box will come.

In the else part we write when the value is not equal to then the text box should be hidden. This is a good technique to speed up data entry if the majority of visitors are likely to select the same option. A dropdown list provides a method of selecting only one option from a lots of options while only using up as much space as a single option except while a selection is being made.

So make sure the model field that you use to store the selected Id from the dropdown list is nullable and is set to null on the first page load. Also, do not use SelectedList or SelectedListItem to specify what user had selected , instead use them for what they are built - to specify a default value. The display of the div dynamically happen based on the click of the selected dropdown option. A hidden div displays and the CSS property display:block added to the displayed div element.

Html select with text input When I select a value from customer no. Combo box, it does not display name in text box. In this post, we will discuss the various method in jQuery and JavaScript to get value selected in DropDown.

In Javascript, it becomes a bit tricky to fetch selected values, but in jQuery, we have some predefined and easy methods to fetch values from form fields like drop down.