NSNitish Subramania Reddiar Syncfusion Team February 23, 2016 10:09 AM UTC
We have already fixed the issue "ViewState error in Map when another control does postback" and the fix will be included in the Essential Studio 2015 Volume 4 Service Pack 2 release which is expected to be available by the first week of March 2016.
Please let us know in case of any concerns.
Regards, Nitish S
HAhankyungsuApril 4, 2018 08:30 PM UTC
I have in my form a map control and various control witu AutoPostBack = true. When a control does a postback, the map control generates a viewstate error.
SKSanjith Kesavan Syncfusion Team April 5, 2018 09:26 AM UTC
As stated in our previous update, viewstate error occurs while setting AutoPostBack=true has been fixed and working fine in our latest Essential studio (220.127.116.11). You can download the latest version of Essential Studio from the below link.