Exemple #1
0
        public static Cancellation NewCancellation(CancellationTemplate cancTemplate)
        {
            Cancellation result = null;

            try
            {
                string query = "INSERT INTO Cancellation (UserID, ArticleID, ArticleCount) VALUES (" +
                                cancTemplate.User.UserID + "," + cancTemplate.Article.ArticleID + "," + cancTemplate.Count + "); " +
                                "SELECT * FROM Cancellation WHERE CancellationID = SCOPE_IDENTITY();";

                SqlConnection connection = new SqlConnection(ConnectionString);
                SqlCommand cmd = new SqlCommand(query, connection);
                connection.Open();
                SqlDataReader reader = cmd.ExecuteReader();
                while (reader.Read())
                {
                    result = new Cancellation(
                        Convert.ToInt32(reader["CancellationID"]),
                        GetUser(Convert.ToInt32(reader["UserID"])),
                        GetArticle(Convert.ToInt32(reader["ArticleID"])),
                        Convert.ToInt32(reader["ArticleCount"]),
                        Convert.ToDateTime(reader["Created"])
                    );
                }
                connection.Close();
            }
            catch (Exception ex)
            {
                LogWriter.Write(ex, LOGFILE_NAME);
                string errmsg = "Fehler beim Erstellen des Stornos.\n\n";
                errmsg += "DatabaseHandler.NewCancellation(cancTemplate): " + ex.ToString();
                throw new Exception(errmsg);
            }

            if (result == null)
                throw new Exception("Fehler beim Erstellen des Stornos. Das Speichern konnte nicht verifiziert werden.\n\nDatabaseHandler.NewCancellation(cancTemplate)");


            return result;
        }
Exemple #2
0
        private void btnNewCancellation_Click(object sender, EventArgs e)
        {
            if (MessageBox.Show("Storno bestätigen?", "Bestätigen", MessageBoxButtons.OKCancel, MessageBoxIcon.Asterisk) == System.Windows.Forms.DialogResult.Cancel) return;

            try
            {
                if (cmbArticles.SelectedItem == null)
                    throw new Exception("Kein Artikel ausgewählt");

                CancellationTemplate templ = new CancellationTemplate((User)cmbUsers.SelectedItem, (Article)cmbArticles.SelectedItem, Convert.ToInt32(cmbCount.Text));
                templ.Create();
                cmbCount.Text = "1";
                cmbArticles.SelectedIndex = -1;
            }
            catch (Exception ex)
            {
                LogWriter.Write(ex, LOGFILE_NAME);
                MessageBox.Show(ex.Message, "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }