C# talking to Access: Missing Parameters

[ewokspy]

When running the Update method of a data adapter I get the following OledbException : "No value given for one or more required parameters."

In this situation I am strictly inserting rows into a dataset, then updating the source. I only use an insert command which is:

"INSERT INTO PAPrintJobs ( Id, Copies, Printer, Computer, Owner, Document, SubmittedDate, SubmittedTime, JobStatus, TotalPages, Cost, Threaded, PickedUp ) VALUES ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ? );"

The rows I insert get their schema from the table I'm inserting them into, and I checked to make sure the column count in the row matches the column count in my insert statement.

Any ideas why this would error?

[Plater]

Are you passing a NULL or "" in for any of the parameters?

[ewokspy]

Neither. I cycled through all the values and there are no blanks and no nulls.

[ewokspy]

I wrote code to run each query manually rather than using the Update command. If I'm not mistaken, the only difference between these two methods in function is Update will accept changes to the dataset, and this won't. Other than that both loop through each changed row and perform the appropriate SQL statement to each row. Why the parameter statement I wrote isn't working is beyond me since the new one is.