According to the provided stack trace it seems that you use the RadGridView
in OpenEdge environment. However, we don't have any known issues or other similar reports from other customers.
After some research in the OpenEdge related forum, I found the following thread: https://knowledgebase.progress.com/articles/Article/system-argumentnullexception-is-thrown-when-trying-to-create-a-template
Indeed, it i snot related to the Telerik UI for WinForms product but it gave me some clue about the possible problem.
I suppose that you may be missing a reference to the Telerik.WinControls.GridView.dll. Note that the required references should be placed in the same folder as the project in OpenEdge. You need to have the following references:
I hope this information helps.
Dess | Tech Support Engineer, Sr.
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