Latest .NET Tips & Techniques Articles - Page 4

See how easy it is to create, optimize, and work with unique temporary files from your Managed C++ applications.

Tom Archer illustrates in step-by-step fashion how to read an image file from disk and then save it to a SQL Server database by using the ADO.NET SqlCommand and SqlParameter objects.

Tom Archer illustrates step-by-step instructions for using the .NET DataReader class to read image data from a database, and he presents a generic function that will write this data to disk.

For situations when a company doesn't want the responsibility of maintaining a user password file, Tom Archer presents a mechanism that stores and uses the hash codes of passwords instead of the actual passwords to validate users.

For those who don't have the desire or time to become experts on Windows security, follow this demonstration of using various .NET classes to test for a user's inclusion in one or more security groups.

Learn how to retrieve a current user's basic security information, such as the fully qualified user name (with domain or workgroup), whether the user is authenticated, and the authentication type.