Key Trapping

Activity

Key Trapping

Objectives:

        At the end of the lesson, you should be able to:

1. Trap inputs for a textbox (such as letters, numbers and other keys or symbols).
2. Use and apply input mask for a MaskedTextBox.
3. Use a combobox.
4. Use a listbox.
5. Differentiate combobox from listbox.
6. Use a radio button.
7. Differentiate radio button from checkbox.
8. Use DateTime Picker to display the current date and time.
9. Use DateTime Picker to automatically compute age.

1. Draw an interface like this. (Note: Don’t mind the text of the textboxes and listbox yet, these will be done with the next steps - setting properties)

[pic 1]

        [pic 2]

2. Set the control’s names in the properties window as follows. Name the form frmInputValidation.

[pic 3][pic 4]

3. Set the following additional properties for each control: