Consider a asp:dropdownlist which fires SelectedIndexChangedEvent based on listitem inde开发者_JS百科x.....
But why the event doesn't fire for the same listitem index when selected again....
Because it didn't change.
You can solve this by resetting the value after each change.
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
加载中,请稍侯......
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