Dataset sql update command

This indicates that the value of the parameter is not set manually, but taken from the particular column in the currently processed row. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode.

Sql Data Adapter. Update Command Property Reference Is this page helpful? Please rate your experience Yes No. Any additional feedback? Mackey P. Mackey Add a comment. Active Oldest Votes. CreateCommand ; cmd. Open ; da. Improve this answer. Al-Hanash Moataz 2 2 silver badges 11 11 bronze badges. Adriano Carneiro Adriano Carneiro Just finish it up. Load cmd. ExecuteReader ; ds. Fill has been returning no records. Load however does return records.

Thanks for sharing this method - wish I knew why I was having problems. If you were referring to Adrian's code, it uses the DataAdapter to fill i.

Yes, that's what I mean. Any idea why using the DataAdapter to fill returns null, but using table. You can then pass the returned DataRow array to the Update method of the DataAdapter to process the modified rows.

By specifying a subset of rows to be updated, you can control the order in which inserts, updates, and deletes are processed. For example, the following code ensures that the deleted rows of the table are processed first, then the updated rows, and then the inserted rows.

The sample uses DataAdapter. AcceptChangesDuringFill to clone the data in the database. If the property is set as false, AcceptChanges is not called when filling the table, and the newly added rows are treated as inserted rows.

So, the sample uses these rows to insert the new rows into the database. The samples uses DataAdapter. TableMappings to define the mapping between the source table and DataTable.

When you create a DataTable, you can only write the data from database to the current version or the original version by setting the property as the LoadOption.

Upsert or the LoadOption. The sample will also update the table by using DbDataAdapter. UpdateBatchSize to perform batch operations. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Is this page helpful?

Please rate your experience Yes No. Any additional feedback? Note It is important to understand the difference between deleting a row in a DataTable and removing the row. In this article.