Updating database with datagrid

Posted by / 13-Feb-2020 23:43

The Add New method of the Data Table adds a row to a Data Table.

To change an existing row's data, you can directly assign a row's value. Delete() In this example, I'll show you how to add edit, and remove, data from the Northwind database.

The following code shows a typical contains a client copy of the database data.

Bind variables are placeholders inside a SQL statement.That worked fine for updates, but then I found that three records were inserted into the database when I added a new row to the Data Grid View (the data gets inserted, then a null value, then the data again).After digging around on the web for most of the day, I found that the , but would when using a click on a save button (since all the Data Grid View events would complete before the button click event fires).I can even insert/update it without issue if I run the update code from a click event of a button.But where I run into issues is when I try to update the database as soon as the user is done editing a row.

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When Update is called, the Data Adapter will attempt to execute each query (UPDATE, INSERT, DELETE) on every row of the Data Set that has been updated, inserted, and deleted.