Add project files.

Activity/formUpdActivity.xaml.cs

@@ -0,0 +1,102 @@
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using Npgsql;
+
+namespace SportsTrainingApp.Activity
+{
+    /// <summary>
+    /// Interaction logic for formUpdActivity.xaml
+    /// </summary>
+    public partial class formUpdActivity : Window
+    {
+        formActivity.Workout item;
+
+        public formUpdActivity(formActivity.Workout _item)
+        {
+            InitializeComponent();
+            item = _item;
+            FillFormFields(item);
+        }
+
+        private void FillFormFields(formActivity.Workout _item)
+        {
+            FillCbSports(cbSports);
+            for (int i = 0; i < cbSports.Items.Count; i++)
+            {
+                var sport = cbSports.Items[i] as SportType;
+                if (_item.Name == sport?.name.ToString())
+                {
+                    cbSports.SelectedIndex = i;
+                }
+            }
+            dtPicker.SelectedDate = _item.Date;
+            tbDuration.Text = _item.Duration.ToString();
+            tbIntensivity.Text = _item.Intensity?.ToString();
+            tbNote.Text = _item.Notes?.ToString();
+        }
+
+        public class SportType
+        {
+            public int id { get; set; }
+            public string name { get; set; }
+        }
+
+        public void FillCbSports(ComboBox cb)
+        {
+            var items = GetData();
+            cbSports.ItemsSource = items;
+            cbSports.DisplayMemberPath = "name";
+            cbSports.SelectedValuePath = "id";
+        }
+
+        private List<SportType> GetData()
+        {
+            var items = new List<SportType>();
+            string query = "SELECT id, name FROM dbo.sports";
+
+            using (var connection = new NpgsqlConnection(formMain.connectionString))
+            {
+                connection.Open();
+                using (var command = new NpgsqlCommand(query, connection))
+                using (var reader = command.ExecuteReader())
+                {
+                    while (reader.Read())
+                    {
+                        items.Add(new SportType
+                        {
+                            id = reader.GetInt32(0),
+                            name = reader.GetString(1)
+                        });
+                    }
+                }
+            }
+            return items;
+        }
+
+        private void ButtonCancel_Click(object sender, RoutedEventArgs e)
+        {
+            this.Close();
+        }
+
+        private void ButtonUpd_Click(object sender, RoutedEventArgs e)
+        {
+            using (var conn = new NpgsqlConnection(formMain.connectionString))
+            {
+                conn.Open();
+                using(var cmd = new NpgsqlCommand(@$"UPDATE dbo.workouts
+	                    SET sport_id=@sport_id, date=@date, duration=@dur, intensity=@intensity, notes=@notes
+	                    WHERE id = {item.ID};", conn))
+                {
+                    cmd.Parameters.AddWithValue("date", dtPicker.SelectedDate.Value);
+                    cmd.Parameters.AddWithValue("sport_id", cbSports.SelectedValue);
+                    cmd.Parameters.AddWithValue("dur", Convert.ToInt32(tbDuration.Text));
+                    cmd.Parameters.AddWithValue("intensity", tbIntensivity.Text);
+                    cmd.Parameters.AddWithValue("notes", tbNote.Text);
+                    cmd.ExecuteNonQuery();
+                }
+            }
+            this.Close();
+        }
+    }
+}