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I get a concurrency error when modifying records using MySqlDataAdapter or MySqlDataTable. What can be wrong?

April 26, 2017Concurrency Error modifying mysqldataadapter mysqldatatable records wrong

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I get a concurrency error when modifying records using MySqlDataAdapter or MySqlDataTable. What can be wrong?

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This can happen when MySqlCommandBuilder generates a query without a primary key field. To avoid it, use a custom update command instead of the one generated by MySqlCommandBuilder. This problem should not occur if the primary key field participates in the SELECT statement.