Sqldatasource updating old values sevenminutedating com
This way you could avoid tripping the db constraint when there is no need to do so.
Now, when I click on the Edit button, and modify a field, and click on the Update button, the new values disappear and the old values are retained. (Oracle's sample database is richer than Northwind). See, when the user clicks the Update button, the generated SQL Statement (declared in the Update Command) updates all the fields in the Oracle row, whether the values are changed or not. Updating the JOB_ID causes the trigger to fire, which logs the job history for each employee in a separate table. When you come back from holiday, you think you're just going to fixup the web app to add CSS Styles and so on. But you didn't provide any code for that method, right? NET 2.0 Grid View, bound to that Sql Data Source, and so there is no code to write, except for the SQL statement. Pay attention now, here's how it works: When the user clicks the Update button, ASP. So what we have here is naive wizard-generated code wreaking havoc on a nice, tight database design. To be honest, the wizard-generated SQL statements are not something you should be putting into production on any large and complex app. The Update() method on the Sql Data Source gets called when the user clicks the Update button in the web page. And, , it causes the table constraint to be violated - the constraint that says, an employee can only get one new job per day.