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Wednesday 25 April 2012

ASP.NET DropDownList Items

This tutorial is about the DropDownList control in ASP.Net. DropDownList used for many purpose. You have different Items in the DropDownList and selects the one item when you require. Like in the registration form on many sites use the DropDownList for the gender, country, language etc selection.
DropDownList

Now in this Post you can learn how the Items can add into the DropDownList control. I create the DropDownList for country.

Step 1:


Open the page ( page.aspx ) and add the DropDownList from the Toolbox to the page. 
Like this:
DropDownList Control
DropDownList Control

Step 2:

Now select the DropdownList in the design view and click the small button that appear. The new tab will open like this:
DropDownList Menu
DropDownList Menu

 Step 3:


Select the "Edit Items..." link on the DropDownList Tasks a new window will open as bellow:
List Item Collection Editor
List Item Collection Editor

Step 4:

From the "listItem Collection Editor" window click on the Add button. When you click on Add button a ListItem add in the left Members box.
List Item Collection Editor
List Item Collection Editor

Step 5:

Select the ListItem from the left Members box, ListItem Properties shows in the right box. Now in the ListItem Properties box set the properties of list item (text, value, selected etc..).
List Item Properties
List Item Properties

Step 6:

When you add all items then click Ok button. all the Items are show in the the DropDownList.
Now select the DropdownList in the design view and click the small button that appear. The new tab will open. checked the AutoPostBack checkbox.
Auto Post Back
Enable Auto Post Back
Now run the project and check all the Items are show.
DropdownList
DropdownList with Items
Hope this tutorial will helpful for you lets try yourself.





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