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An error occurred while performing the drop: Object reference not set to an instance of an object
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Hi Everyone.

I have form that have data source link to Sql Server Database.

When drag and drop the table with the data type=UltaGrid to the form, I get this error "An error occurred while performing the drop: Object reference not set to an instance of an object". If I change the data type = DataGridView, then it's ok.

Would anyone please tell me how to solve this problem? I'd greatly appreciated it.  Thanks

 

 

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