SqlBulkCopy - BulkCopyTimeout

Description

Number of seconds maximum for a batch before it times out.

• Type: System.Int32
• Default Value: 30
• Note: A value of 0 indicates the SqlBulkCopy can wait forever

using (var sqlBulk = new SqlBulkCopy(connection))
{
    // SET BulkCopyTimeout value.
    sqlBulk.BulkCopyTimeout = 300;
    
    sqlBulk.DestinationTableName = "Customers";
    sqlBulk.WriteToServer(dt);
}

Try it

Recommendation

• Higher is better!

Higher is better!

• Recommended BulkCopyTimeout Value: 300

Ensure to set the BulkCopyTimeout to at least 3x of the time the SqlBulkCopy need to complete the transaction.

If the operation may take up to 20s, specify a value of at least of 60s.

You don't know in one year what could happen! A file importation that started small may have grown to millions of rows. There is nothing worse than an application crashing in production because of a Timeout exception occurred!