Problem Description and Requirements:

A nutrition specialist keeps track of his patients' details in order to facilitate the process of following$-$up with them. He has just purchased a computer for his new automated management system. You've been asked to develop the new system. You are to develop a visual basic application to access the available file system, read and write to its text file information about the specialist's consultations.

The current file system consists of a single file, which holds data in the following format:

PatientID, Name, CPR$,$ Gender, Telephone, VisitDate, Weight, Observations

A$.$ The application should enable the user to:

Open an existing file using openDialog

$2$ marks

Create new files using saveDialog

$2$ marks

Record a new patients' info in the file by writing a new line with the needed info.

$5_{?}$

marks

Close the file and save the changes$/$updates$.$

$1$ mark

Read data from the file line by line and display a table reporting the recorded

patient's consultations info, as shown in the following table.

${10}_{?}$

marks

B$.$ Design an appropriate GUI that simplifies the use of the system. Make use of the different controls available such as: MenuStrip, listbox, textbox, label, button, etc.

$4$

Marks

C$.$ Give appropriate names to the variables and controls.

${0\mathrm{.}5}_{?}$

Mark

D$.$ Import the needed libraries

$1$ Mark

E$.$ Validate the user input

$4$ Marks

F$.$ Write and invoke any required method $($i$.$e$.$ subroutines or functions$)$

$5$ Marks

G$.$ Save your VB project as NutritionApp$\_$yourID $($e$.$g$.$ NutritionApp