error during adding columns in multicolumn combo box

[Nazeer]

 

cannot create an instance of

telerik.wincontrols.ui.gridviewdatacolumn because it is an abstract class

[Dimitar]

Hi Nazeer,

I have tested this with the latest version but the dialog looks different on my side (see attached image). Which version are you using?

I am looking forward to your reply.

Regards,
Dimitar
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