Problem in getting value of hiddenfield in server side on Asyn postback in C#

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Hi,

I have three update panels. In the first update panel I have a country comboBox, Hiddenfield in second and City Combobox in third.

In the country combo client selected indexchnaged event I have set the country value in the hiddenfield using Javascript. On server side I didnot get the correct value .ie the value is not updated.

Posted 31-Jul-12 19:14pm

Velkumar Kannan

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Prasad J 1-Aug-12 1:20am

Try to place the Hidden field in the same updatepannel where the Country comboBox is placed.

I.explore.code 1-Aug-12 17:53pm

if you can add some code may be the diagnosis would be quicker! Having said that, have you set the "AutoPostBack" property of the combo box to true in your mark-up? by default DropdownLists don't post back, so just make sure you have that set.

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_Amy · Answer 1 · 2012-08-01T19:00:00

Keep your HiddenField inside appropriate update panel. This problem is caused generally, because using update panel you are updating only a particular area not entire page. If your HiddenField is coming under that area the value of HiddenField will be updated, otherwise it will not be updated.

--Amit