Sample Code and Slide: Data Access

This sample uses the SQL provider to retrieve and manipulate data in an attached database (SQLExpress). This also demonstrates binding data to DataGridView and ComboBox controls.

To run the application, edit the AttachDbFilename value in the App.config file to point to the correct path of the database file. You can also copy the mdf/ldf files to a fixed location, e.g. "C:\", and set your AttachDbFilename value to "C:\Purchasing.mdf"

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Sample Code and Slide: Regular Expressions

This sample demonstrates using regular expressions for matching patterns in a string, which can be used to perform form data validation. This also uses a listbox form control for displaying results.

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Slides: C# Basics and Classes

I updated the PowerPoint presentations used in our discussions. You can download them here:

• C# Basics
• C# Classes - covers up to implementation inheritance only

Review these concepts for the prelim exam