Troubleshooting Exceptions: System.Data.ReadOnlyException

A ReadOnlyException exception is thrown when there is an attempt to change the value of a read-only data column.

Associated Tips

Change the column to read/write.
This exception is thrown if you are attempting to change a value in a data column that is read-only. For more information, see DataColumn.
Make sure that you are modifying the data in the correct column.
This exception is thrown if you are attempting to change a value in a data column that is read-only. For more information, see DataColumn.