Category: ASP.NET

Define view models and domain entities for forms and displays.

Render HTML with Razor views under Views/.

Use Membership/Roles providers for users and role checks.

Bind pages to SQL Server via ADO.NET or data source controls.

Execute queries with SqlConnection, SqlCommand, and DataReader/Adapter.

Implement list/create/edit/delete with GridView or custom forms.

Accept files with FileUpload control and SaveAs after validation.

Send mail with SmtpClient (legacy) or modern mail APIs.

Encode output, validate input, protect ViewState, and use HTTPS.

Choose ViewState, Session, Application, cookies, and cache appropriately.