We have prepared a sample based on the described scenario using Drop Down List post back event on index change and in the handler data bind for second Drop Down List, after post back selected value is maintained for first Drop Down List.
Please ensure the attached sample in your end and share us the modified sample to reproduce issue at our end.
But there are usually cases where you have to go a little further and dig a little bit deeper than the standard scenarios.
In this article I am going to describe how you can customize the default values (10, 20 and 50) of the drop-down list in the paging element of Rad Grid.
Sir, I am working with syncfusion Dropdownlist control in c# web i am doing postback on first dropdownlist selected index changed second dropdown get bind but selected value in first dropdown get vanished.please help in this issue.
Thanks We are unable to reproduce the issue with maintaining the Drop Down List selected value after post back.
NET AJAX is actually quite easy and the initial effort to get started with the control suite is very low.
The callback caused the whole screen to rebind and it involved quite a bit of code, but after examining it closely, everything seemed to be in order.For example, by taking the total count of records into consideration.There are some interesting scenarios that would justify a customized page size element: I am sure that you might have your own requirements, and I hope that the following source code snippets might be helpful.I've played around with several different approaches to this problem.Lately I've been doing something like this: This is similar to the other approach that I've tried.