So, the method in the code behind page would look like something like this: However, decrypting the data using a templatefield tag posed another problem, extracting new values from the ‘Text Box1’ control.
This means the data access layer was bypassed completely, so any business logic that dealt with encryption on this page had to use a different execution path. The problem could be divided into two tasks: The first task was the easier of the two, as it just involved referencing the encryption library from the code behind page and calling the function inline in the aspx page.
We are looking to trap these events with and event handler inside a VB.
Net Details View that allows inserts, edits, and deletes we would like to trap the event that occurs when a user clicks on the Edit button and the Update button of the Details View. * Update * I tried this coding but get the following error when clicking on the Edit button: Protected Sub Details View Details_Item Command(sender As Object, e As System. Mode Changing 'You then check the new edit mode If e.
Storing BLOBs directly inside SQL server provides the following advantages: In summary, depending on the application being developed, you should decide whether storing BLOB data in SQL Server is the way to go. To read BLOB data, you need to use the Sql Data Reader class of ADO. The use of Sql Data Reader class to read BLOB data can be best understood with an example.
That said, generally CMS systems, photo albums, slide show applications, document management systems, and so forth are good candidates for storing BLOBs inside SQL Server. You will develop a simple application that manages photos stored in a SQL Server database.