Added code of the method GetAllUsers to DataLayer, working. Added ToS…

…tring() to Class User. Added call to frmClassesManagement to frmSetup.

DataLayer/DataLayer.cs

@@ -25,12 +25,6 @@ public DataLayer()
             }
             dbName = Commons.PathAndFileDatabase;
         }
-
-        internal List<User> GetAllUsers()
-        {
-            throw new NotImplementedException();
-        }
-
         public DataLayer(string PathAndFile)
         {
             if (!System.IO.File.Exists(PathAndFile))
@@ -92,6 +86,27 @@ internal User GetUser(string Username)
             }
             return t;
         }
+        internal List<User> GetAllUsers()
+        {
+            List<User> l = new List<User>(); 
+            using (DbConnection conn = Connect())
+            {
+                DbCommand cmd = conn.CreateCommand();
+                string query = "SELECT *" +
+                    " FROM Users";
+                cmd = new SQLiteCommand(query);
+                cmd.Connection = conn;
+                DbDataReader dRead = cmd.ExecuteReader();
+                while (dRead.Read())
+                {
+                    User u = GetUserFromRow(dRead);
+                    l.Add(u); 
+                }
+                dRead.Dispose();
+                cmd.Dispose();
+            }
+            return l;
+        }
         private User GetUserFromRow(DbDataReader dRead)
         {
             User u = null; 

DbClasses/User.cs

@@ -36,5 +36,10 @@ public User(string Username, string Password)
             this.username = Username;
             this.password = Password;
         }
+
+        public override string ToString()
+        {
+            return Username + ": "+ Description;
+        }
     }
 }

SchoolGrades/frmLogin.cs

@@ -18,7 +18,7 @@ private void frmLogin_Load(object sender, EventArgs e)
             db = new DbAndBusiness(); 
             bl = new BusinessLayer.BusinessLayer();
 
-            //// test examples
+            // test examples
             User u;
             u = new User("pippo", "pluto");
             //u = new User("pina", "pluto");

SchoolGrades/frmSetup.cs

@@ -255,7 +255,9 @@ private void TxtPathStartLinks_TextChanged(object sender, EventArgs e)
 
         private void btnUsersManagement_Click(object sender, EventArgs e)
         {
-            MessageBox.Show("Parte da fare"); 
+            MessageBox.Show("Form da completare!");
+            frmUsersManagement f = new frmUsersManagement();
+            f.Show(); 
         }
     }
 }

SchoolGrades/frmUsersManagement.cs

@@ -1,18 +1,15 @@
 using System;
 using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
-using System.Drawing;
-using System.Text;
 using System.Windows.Forms;
-using SchoolGrades.BusinessLayer;
 using SchoolGrades.DbClasses;
 
 namespace SchoolGrades
 {
     public partial class frmUsersManagement : Form
     {
-        BusinessLayer.BusinessLayer bl = new BusinessLayer.BusinessLayer(); 
+        BusinessLayer.BusinessLayer bl = new BusinessLayer.BusinessLayer();
+
+        List<User> listOfAllUsers; 
 
         public frmUsersManagement()
         {
@@ -21,12 +18,13 @@ public frmUsersManagement()
 
         private void frmUsersManagement_Load(object sender, EventArgs e)
         {
-            listBox1.DataSource = bl.GetAllUsers(); 
+            listOfAllUsers = bl.GetAllUsers(); 
+            lstUsers.DataSource = listOfAllUsers; 
         }
 
-        private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
+        private void lstUsers_SelectedIndexChanged(object sender, EventArgs e)
         {
-            UserControl currentUser = (User)listBox1[listBox1.SelectedIndex]; 
+            User currentUser = (User)(listOfAllUsers[lstUsers.SelectedIndex]); 
         }
     }
 }