OnDoc/Vorlagen_Viewer/Form1.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Database;
using OnDoc.Klassen;
using ExcelNet;
using System.Windows.Forms.VisualStyles;


namespace Vorlagen_Viewer
{
    public partial class Form1 : Form
    {
        System.Data.DataTable importdata = new DataTable();
        System.Data.DataTable importdata1 = new DataTable();
        bool fromexcel = false;
        string connectionstring = "";
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

            splitContainer1.SplitterDistance = this.Width / 2;
            button1_Click(sender, e);

        }

        private void sfDataGrid1_Click(object sender, EventArgs e)
        {

        }

        private void sfDataGrid1_CellClick(object sender, Syncfusion.WinForms.DataGrid.Events.CellClickEventArgs e)
        {
            string dateinr = "";
            DB db = new DB(connectionstring);
            try
            {
                string dokumenttypnr = "";
                var rowIndex = e.DataRow.RowIndex;
                //Get the column index value 
                var columnIndex = e.DataColumn.ColumnIndex;
                var selectedItem = e.DataRow;
                var dataRow = (e.DataRow.RowData as DataRowView).Row;

               
                if (fromexcel)
                {
                    dokumenttypnr = dataRow[0].ToString();
                    string sql = "";
                    sql = "SELECT dbo.dokumenttyp.dokumenttypnr, dbo.dokumenttyp.bezeichnung, dbo.Office_Vorlage_Datei.dateiname, dbo.office_vorlage_datei.office_vorlage_dateinr as dateinr  ";
                    sql = sql + "FROM dbo.dokumenttyp INNER JOIN ";
                    sql = sql + "dbo.office_vorlage ON dbo.dokumenttyp.office_vorlagenr = dbo.office_vorlage.office_vorlagenr INNER JOIN ";
                    sql = sql + "dbo.Office_Vorlage_Datei ON dbo.office_vorlage.office_vorlagenr = dbo.Office_Vorlage_Datei.office_vorlagenr where dokumenttypnr=" + dokumenttypnr;

                    db.Get_Tabledata(sql, false, true);
                    dateinr = db.dsdaten.Tables[0].Rows[0]["dateinr"].ToString();
                }
                else
                {
                    dateinr = dataRow["dateinr"].ToString();
                }
                string document = db.Get_Office_Vorlage_asBase64(dateinr);
                db.Get_ApplicationType_from_Vorlage(Convert.ToInt32(dateinr));
                string Apptype = "";
                Apptype = db.dsdaten.Tables[0].Rows[0][0].ToString();
                DOCGEN.DocGet dg = new DOCGEN.DocGet(connectionstring);
                string pdfdoc = "";
                switch (Apptype.ToUpper())
                {
                    case "DOCX":
                    case "DOCM":
                    case "DOC":
                    case "DOT":
                    case "WORD":
                    case "DOTM":
                        pdfdoc = dg.Convert_Word_To_PDF(document);
                        break;
                    case "XLSM":
                    case "XLSX":
                    case "XLST":
                    case "XLS":
                    case "XLT":
                        pdfdoc = dg.Convert_Excel_To_PDF(document);
                        break;
                        dg = null;
                    //break;
                    case "PDF":
                    case "ACROBAT":
                    case "FORMULAR":
                    case "DOKUMENT":
                    //break ;

                    default:
                        break;
                        //break;
                }
                if (pdfdoc != "")
                {
                    var stream = new MemoryStream(Convert.FromBase64String(pdfdoc));
                    pdfViewerControl1.Load(stream);

                }
                db = null;
                dg = null;
            }
            catch { }
            finally {
                db = null;
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string startuppath = AppDomain.CurrentDomain.BaseDirectory;
            connectionstring = System.IO.File.ReadAllText(startuppath + @"\ondocconn.cfg");
            connectionstring = StringCipher.Decrypt(connectionstring, "i%!k!7pab%bNLdA5hE4pkR4XaB%E^jB3d9tHuQ4pbF&BZjF7SB#WBWit5#HrbJiLrLVm");
            string sql = "";
            sql = "SELECT dbo.dokumenttyp.dokumenttypnr, dbo.dokumenttyp.bezeichnung, dbo.Office_Vorlage_Datei.dateiname, dbo.office_vorlage_datei.office_vorlage_dateinr as dateinr  ";
            sql = sql + "FROM dbo.dokumenttyp INNER JOIN ";
            sql = sql + "dbo.office_vorlage ON dbo.dokumenttyp.office_vorlagenr = dbo.office_vorlage.office_vorlagenr INNER JOIN ";
            sql = sql + "dbo.Office_Vorlage_Datei ON dbo.office_vorlage.office_vorlagenr = dbo.Office_Vorlage_Datei.office_vorlagenr";

            DB db = new DB(connectionstring);
            db.Get_Tabledata(sql, false, true);

            sfDataGrid1.DataSource = db.dsdaten.Tables[0];
            db = null;
            fromexcel = false;
        }

        private void button2_Click(object sender, EventArgs e)
        {
            openFileDialog1.Filter = "Excel-Dateien (*.xlsx)|*.xlsx|Alle Dateien (*.*)|*.*";
            if (openFileDialog1.ShowDialog() == DialogResult.OK)
            {
                ExcelNet.ExcelReader reader = new ExcelNet.ExcelReader();
                string selected_sheetname = "";
                var sheets = new List<string>();
                try
                {
                    sheets = reader.Get_ExcelSheets(openFileDialog1.FileName);
                }
                catch
                {
                    MessageBox.Show("Auf die gewählte Excel-Datei kann aktuell nicht zugegriffen werden. Evtl. ist diese noch geöffnet.", "Excel-Import", MessageBoxButtons.OK, MessageBoxIcon.Error);
                    return;
                }

                selected_sheetname = sheets[0];

                reader.Excel_To_Datatabable(openFileDialog1.FileName, selected_sheetname, true, ref importdata);
                sfDataGrid1.DataSource = null;
                importdata1.Rows.Clear();
                importdata1.Columns.Clear();
                int i = 0;
                foreach(DataColumn dc in importdata.Columns)
                {
                    if (i == 0)
                    {
                        importdata1.Columns.Add(dc.ColumnName, typeof(Int32));
                    }
                    else
                    {
                        importdata1.Columns.Add(dc.ColumnName, typeof(string));
                    }
                    i++;
                }
                foreach(DataRow dr in importdata.Rows)
                {
                    DataRow drn = importdata1.NewRow();
                    foreach (DataColumn dc in importdata.Columns)
                    {
                        drn[dc.ColumnName] = dr[dc.ColumnName];
                    }
                    importdata1.Rows.Add(drn);

                }
                importdata1.AcceptChanges();

                //importdata.Columns[0].DataType = typeof(Int32);
                sfDataGrid1.DataSource = importdata1;
                fromexcel = true;
                reader = null;
            }

        }
    }
}