Why do I need do specifify updatecommand for some gridviews/datasources and not all? havent done this for most of my gridviews and they work fine, updating back to the sql database. But for one datagridview it demands and updatecommand or otherwise i get an expception.

All Datagridviews are addedd in the same way and all of them for really simple tables, no fancy sql, just show everything from a table.

Sometimes one of the column names in a table you add as a datasource is a keyword. If a column name is a key word you need to enclose the [column name] in brackets. Maybe change the sql statement from Select * from MyTable to Select [Col1], [col2], [col3] From MyTable so when the update command is generated it will have the column name in [ ]

dont think an of these names should trigger that effect?

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