updatebatchsize

问题 I'm using a try catch blocks to do a batch update using ADO.NET2.0, the UpdateBatchSize is set 500, I can often catch exceptions, but I don't know which row update failed, is there a way to get the actual failed row? 回答1: You can use event RowUpdated to get the reference of row: yourAdapter.RowUpdated += OnRowUpdated; Then: protected static void OnRowUpdated(object sender, SqlRowUpdatedEventArgs args) { if (args.Status == UpdateStatus.ErrorsOccurred) { // Reference to row which throws error

问题 Although I am not sure. update_batch is it possible to without replacing the previous data next updated value will puts by comma separated as an array-form on the SAME FILED . I shown 2 Demo image for better understand. My Code is already running for only batch update But not for update_batch increment value without replacing previous data! For example - For 1st time update , column field will shown like this at "t_franchise_price" column --- For 2nd time When next update will perform , then

问题 I have a .NET application that is merging two datatables with a lot of rows (10,000+). There is a good chance of having a large number of update/inserts to perform to the SQL table when using the DataAdapter.Update command. Right now, I have the Adapter UpdateBatchSize property set to 200. VS warns against setting this value too high because it may decrease performance. Ok, gotcha. Performance wise, what should I look for when setting this property? No matter what, updating lots of rows will