OnDoc/ToolsDoksImportExport/Form1.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Database;
using Model;

namespace ToolsDoksImportExport
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void btnExport_Click(object sender, EventArgs e)
        {
            try
            {
                DB db = new DB(txtConnctionstring.Text);
                clsdok d = new clsdok("", "", "","");
                d = db.GetDocumentAsBase64(this.txtDokumentID.Text);
                System.IO.File.WriteAllBytes(this.txtFilename.Text, Convert.FromBase64String(d.dokument));
                db = null;
                MessageBox.Show("Export erfolgreich");
            }
            catch (Exception ex) { MessageBox.Show(ex.Message); }
        }

        private void btnImport_Click(object sender, EventArgs e)
        {
            try
            {
                Byte[] bytes = System.IO.File.ReadAllBytes(this.txtFilename.Text);
                string b64 = Convert.ToBase64String(bytes);
                DB db = new DB(txtConnctionstring.Text);
                db.Save_To_DB(this.txtDokumentID.Text, this.txtFilename.Text);
                db = null;
                MessageBox.Show("Import erfolgreich");
            }
            catch (Exception ex) { MessageBox.Show(ex.Message); }
        }

        private void button2_Click(object sender, EventArgs e)
        {
            DB db = new DB(txtConnctionstring.Text);
            db.Get_Tabledata("Select gridsettings from mitarbeiter_gridsettings where id=" + textBox1.Text, false, true);
            System.IO.File.WriteAllBytes(this.textBox2.Text, Convert.FromBase64String(db.dsdaten.Tables[0].Rows[0][0].ToString()));
            MessageBox.Show("Export erfolgreich");
            db = null;
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Byte[] bytes = System.IO.File.ReadAllBytes(this.textBox2.Text);
            string b64 = Convert.ToBase64String(bytes);
            DB db = new DB(txtConnctionstring.Text);
            db.Exec_SQL("Update mitarbeiter_gridsettings set gridsettings='" + b64 + "'");
            MessageBox.Show("Import erfolgreich");
            db = null;
        }
    }
}