OnDoc/Client/DocMgmt/Serienbrief.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Runtime.Remoting.Messaging;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using OnDoc.Klassen;
using Syncfusion.Windows.Forms.Tools;
using Syncfusion.WinForms.Controls;
using Syncfusion.WinForms.DataGrid;
using Syncfusion.WinForms.DataGrid.Interactivity;

namespace OnDoc.UIControls
{
    public partial class Serienbrief : SfForm
    {
        public Serienbrief()
        {
            InitializeComponent();
            this.Style.TitleBar.BackColor = Theaming.Titelbar();
            this.Style.TitleBar.ForeColor = Theaming.TitelFontColor();
        }

        private void Serienbrief_Load(object sender, EventArgs e)
        {

        }

        private void RibbonButtonExit_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void RibbonButtonExcelImport_Click(object sender, EventArgs e)
        {
            DataTable importdata = new DataTable();
            openFileDialog1.Filter = "Excel-Dateien files (*.xlsx)|*.xlsx|CSV-Dateien (*.csv)|*.csv|Alle Dateien (*.*)|*.*";
            openFileDialog1.FilterIndex = 0;
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                ExcelNet.ExcelReader reader = new ExcelNet.ExcelReader();
                string selected_sheetname = "";
                var sheets = new List<string>();
                sheets = reader.Get_ExcelSheets(openFileDialog1.FileName);
                if (sheets.Count > 1) { 
                    DocMgmt.Serienbrief_Sheetselect sheetselect = new DocMgmt.Serienbrief_Sheetselect(sheets);
                    sheetselect.ShowDialog();
                    if (sheetselect.DialogResult == DialogResult.OK)
                    {
                        selected_sheetname = sheetselect.get_selected_sheet();
                    }
                    else { return; }
                }
                else { selected_sheetname = sheets[0]; }

                reader.Excel_To_Datatabable(openFileDialog1.FileName, selected_sheetname,true, ref importdata);
                if (importdata.Rows.Count < 1) 
                    {
                        MessageBox.Show("Die ausgewählten Daten können nicht verwendet werden.", "Import", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return;
                    }
                if (importdata.Columns[0].Caption.ToUpper() != "PARTNERNR")
                {
                    MessageBox.Show("Die importierten Daten enthalten keine Spalte 'Partnernr'. Der Vorgang wird abgebrochen.", "Import", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    importdata.Rows.Clear();
                    importdata.Columns.Clear();
                    return;
                }
            }
        }
    }
}