private void buttonPrintLabels_Click(object sender, EventArgs e)
        {
            IList<PatientData> toPrintPatients = new List<PatientData>();

            int topBorder;
            int leftBorder;
            int noOfColumns;
            int noOfRows;
            int startingRow;
            int labelFontSize;

            try {
                topBorder = Int32.Parse(textBoxTopBorder.Text);
            } catch(FormatException) {
                MessageBox.Show("TopBorder has a wrong Format!");
                return;
            }

            try {
                leftBorder = Int32.Parse(textBoxLeftBorder.Text);
            } catch(FormatException) {
                MessageBox.Show("LeftBorder has a wrong Format!");
                return;
            }

            try {
                noOfColumns = Int32.Parse(textBoxNumberOfColumns.Text);
            } catch(FormatException) {
                MessageBox.Show("Number Of Columns has a wrong Format!");
                return;
            }

            try {
                noOfRows = Int32.Parse(textBoxNumberOfRows.Text);
            } catch(FormatException) {
                MessageBox.Show("Number Of Rows has a wrong Format!");
                return;
            }

            try {
                startingRow = Int32.Parse(textBoxStartingRow.Text);
            } catch(FormatException) {
                MessageBox.Show("Starting Row has a wrong Format!");
                return;
            }

            try {
                labelFontSize = Int32.Parse(textBoxLabelFontSize.Text);
            } catch(FormatException) {
                MessageBox.Show("Label Font Size has a wrong Format!");
                return;
            }

            if(topBorder < 0) {
                MessageBox.Show("Top Border has to be positive");
                return;
            }

            if(leftBorder < 0) {
                MessageBox.Show("Left Border has to be positive");
                return;
            }

            if(noOfColumns < 1 || noOfColumns > 8) {
                MessageBox.Show("The number of Columns has to be between 1 and 8");
                return;
            }

            if(noOfRows < 1 || noOfColumns > 30) {
                MessageBox.Show("The number of Rows has to be between 1 and 30");
                return;
            }

            if(startingRow < 1 || startingRow >= noOfRows) {
                MessageBox.Show("The Starting Row has to be between 1 and the number of Rows -1");
                return;
            }

            if(labelFontSize < 4 || labelFontSize > 30) {
                MessageBox.Show("The Label Font Size has to be between 4 and 30");
                return;
            }

            List<long> pIds = new List<long>();

            foreach(ListViewItem item in listViewAllPatients.SelectedItems) {
                pIds.Add(Int64.Parse(item.Text));
            }

            toPrintPatients = this.patComp.FindPatientByIds(pIds);

            if(toPrintPatients.Count <= 0) {
                MessageBox.Show("No patients selected!\nPlease select one or more Patients to print");
                return;
            }

            SPD.GUI.Properties.Settings.Default.TopBorder = topBorder;
            SPD.GUI.Properties.Settings.Default.LeftBorder = leftBorder;
            SPD.GUI.Properties.Settings.Default.NoOfColumns = noOfColumns;
            SPD.GUI.Properties.Settings.Default.NoOfRows = noOfRows;
            SPD.GUI.Properties.Settings.Default.LabelFontSize = labelFontSize;
            SPD.GUI.Properties.Settings.Default.Save();

            SPDPrint print = new SPDPrint(this.patComp);
            print.PrintLabels(topBorder, leftBorder, noOfColumns, noOfRows, startingRow, labelFontSize, toPrintPatients);
        }