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Error using the JSON JavaScriptSerializer
posted

Hello,

We are getting the following error when we are grouping by one column using UltraWebGrid v 11.2 framework 4.0

“Error during serialization or deserialization using the JSON JavaScriptSerializer. The length of the string exceeds the value set on the maxJsonLength property.”

We set the maxJsonLength property to a large value in the Web.config file and we get the same error.

We have just 295 records. We are using Virtual Scrolling.

.DisplayLayout.LoadOnDemand = Infragistics.WebUI.UltraWebGrid.LoadOnDemand.Xml

.DisplayLayout.XmlLoadOnDemandType = Infragistics.WebUI.UltraWebGrid.XmlLoadOnDemandType.Virtual

 

When we group by a column we change these properties (I also tried to comment this two lines and I got the same error):

.DisplayLayout.LoadOnDemand = Infragistics.WebUI.UltraWebGrid.LoadOnDemand.NotSet

.DisplayLayout.XmlLoadOnDemandType = Infragistics.WebUI.UltraWebGrid.XmlLoadOnDemandType.Synchronous

 

How can we solve this problem?

Thanks in advance.