C#

public async Task<LMSResponseParser> ScanForServer()
     {
         try
         {
             this.listener = new UdpClient(UDPPort); // This is where it bombs on the second run
             this.ReceiveIP = new IPEndPoint(IPAddress.Broadcast, UDPPort);
             this.Result = await listener.ReceiveAsync();
             // The buffer should contain "eIPAD0\JSON0\UUID0\VERS0" in a byte array
             this.RequestData = this.Result.Buffer;
             this.ReceiveIP = this.Result.RemoteEndPoint;
             // Send the buffer back to initiate a response
             this.BytesSent = await this.listener.SendAsync(this.RequestData, this.RequestData.Length, this.ReceiveIP);

             this.Result = await this.listener.ReceiveAsync();
             // This should contain information about our server ( Port number , IP etc etc )
             this.BytesReceived = this.Result.Buffer;

             if (this.BytesReceived != null && this.BytesReceived.Length > 0)
                 this.RetVal = Encoding.UTF8.GetString(this.BytesReceived);
             // Parse the response and place the values in a dictionary
             this.parseLMSResponse = new LMSResponseParser(BytesReceived);
         }
         catch (Exception ex)
         {
             Console.WriteLine(ex.Message);
         }
         finally
         {
             if (this.listener != null && this.listener.Client.Connected)
                 this.listener.Close();
         }
         return this.parseLMSResponse;
     }

Version mismatch between the analyzer package '3.3.1' and Microsoft.CodeAnalysis '2.1.0.0'

#region Print Button Click Event
        /// <summary>
        /// Handles the print button click event
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnPrint_Click(object sender, EventArgs e)
        {
            //Open the print dialog
            PrintDialog printDialog = new PrintDialog();
            PrintDocument printDocument1 = new PrintDocument();
            printDialog.Document = printDocument1;
            printDialog.UseEXDialog = true;

            //Get the document
            if (DialogResult.OK == printDialog.ShowDialog())
            {
                printDocument1.DocumentName = "Lottery Tickets Priniting";
                printDocument1.Print();
            }

            //Open the print preview dialog
            //PrintPreviewDialog objPPdialog = new PrintPreviewDialog();
            //objPPdialog.Document = printDocument1;
            //objPPdialog.ShowDialog();
        }
        #endregion

        #region Begin Print Event Handler
        /// <summary>
        /// Handles the begin print event of print document
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void printDocument1_BeginPrint(object sender, System.Drawing.Printing.PrintEventArgs e)
        {
            try
            {
                strFormat = new StringFormat();
                strFormat.Alignment = StringAlignment.Near;
                strFormat.LineAlignment = StringAlignment.Center;
                strFormat.Trimming = StringTrimming.EllipsisCharacter;

                arrColumnLefts.Clear();
                arrColumnWidths.Clear();
                iCellHeight = 0;
                iRow = 0;
                bFirstPage = true;
                bNewPage = true;

                // Calculating Total Widths
                iTotalWidth = 0;
                foreach (DataGridViewColumn dgvGridCol in dataGridView1.Columns)
                {
                    iTotalWidth += dgvGridCol.Width;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
        #endregion

        #region Print Page Event
        /// <summary>
        /// Handles the print page event of print document
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
        {
            try
            {
                //Set the left margin
                int iLeftMargin = e.MarginBounds.Left;
                //Set the top margin
                int iTopMargin = e.MarginBounds.Top;
                //Whether more pages have to print or not
                bool bMorePagesToPrint = false;
                int iTmpWidth = 0;

                //For the first page to print set the cell width and header height
                if (bFirstPage)
                {
                    foreach (DataGridViewColumn GridCol in dataGridView1.Columns)
                    {
                        iTmpWidth = (int)(Math.Floor((double)((double)GridCol.Width /
                                       (double)iTotalWidth * (double)iTotalWidth *
                                       ((double)e.MarginBounds.Width / (double)iTotalWidth))));

                        iHeaderHeight = (int)(e.Graphics.MeasureString(GridCol.HeaderText,
                                    GridCol.InheritedStyle.Font, iTmpWidth).Height) + 11;

                        // Save width and height of headres
                        arrColumnLefts.Add(iLeftMargin);
                        arrColumnWidths.Add(iTmpWidth);
                        iLeftMargin += iTmpWidth;
                    }
                }
                //Loop till all the grid rows not get printed
                while (iRow <= dataGridView1.Rows.Count - 1)
                {
                    DataGridViewRow GridRow = dataGridView1.Rows[iRow];
                    //Set the cell height
                    iCellHeight = GridRow.Height + 5;
                    int iCount = 0;
                    //Check whether the current page settings allo more rows to print
                    if (iTopMargin + iCellHeight >= e.MarginBounds.Height + e.MarginBounds.Top)
                    {
                        bNewPage = true;
                        bFirstPage = false;
                        bMorePagesToPrint = true;
                        break;
                    }
                    else
                    {
                        if (bNewPage)
                        {
                            //Draw Header
                            e.Graphics.DrawString("Lottery Tickets Listing", new Font(dataGridView1.Font, FontStyle.Bold),
                                    Brushes.Black, e.MarginBounds.Left, e.MarginBounds.Top -
                                    e.Graphics.MeasureString("Lottery Tickets Listing", new Font(dataGridView1.Font,
                                    FontStyle.Bold), e.MarginBounds.Width).Height - 13);

                            String strDate = DateTime.Now.ToLongDateString() + " " + DateTime.Now.ToShortTimeString();
                            //Draw Date
                            e.Graphics.DrawString(strDate, new Font(dataGridView1.Font, FontStyle.Bold),
                                    Brushes.Black, e.MarginBounds.Left + (e.MarginBounds.Width -
                                    e.Graphics.MeasureString(strDate, new Font(dataGridView1.Font,
                                    FontStyle.Bold), e.MarginBounds.Width).Width), e.MarginBounds.Top -
                                    e.Graphics.MeasureString("Lottery Tickets Listing", new Font(new Font(dataGridView1.Font,
                                    FontStyle.Bold), FontStyle.Bold), e.MarginBounds.Width).Height - 13);

                            //Draw Columns                 
                            iTopMargin = e.MarginBounds.Top;
                            foreach (DataGridViewColumn GridCol in dataGridView1.Columns)
                            {
                                e.Graphics.FillRectangle(new SolidBrush(Color.LightGray),
                                    new Rectangle((int)arrColumnLefts[iCount], iTopMargin,
                                    (int)arrColumnWidths[iCount], iHeaderHeight));

                                e.Graphics.DrawRectangle(Pens.Black,
                                    new Rectangle((int)arrColumnLefts[iCount], iTopMargin,
                                    (int)arrColumnWidths[iCount], iHeaderHeight));

                                e.Graphics.DrawString(GridCol.HeaderText, GridCol.InheritedStyle.Font,
                                    new SolidBrush(GridCol.InheritedStyle.ForeColor),
                                    new RectangleF((int)arrColumnLefts[iCount], iTopMargin,
                                    (int)arrColumnWidths[iCount], iHeaderHeight), strFormat);
                                iCount++;
                            }
                            bNewPage = false;
                            iTopMargin += iHeaderHeight;
                        }
                        iCount = 0;
                        //Draw Columns Contents                
                        foreach (DataGridViewCell Cel in GridRow.Cells)
                        {
                            if (Cel.Value != null)
                            {
                                e.Graphics.DrawString(Cel.Value.ToString(), Cel.InheritedStyle.Font,
                                            new SolidBrush(Cel.InheritedStyle.ForeColor),
                                            new RectangleF((int)arrColumnLefts[iCount], (float)iTopMargin,
                                            (int)arrColumnWidths[iCount], (float)iCellHeight), strFormat);
                            }
                            //Drawing Cells Borders 
                            e.Graphics.DrawRectangle(Pens.Black, new Rectangle((int)arrColumnLefts[iCount],
                                    iTopMargin, (int)arrColumnWidths[iCount], iCellHeight));

                            iCount++;
                        }
                    }
                    iRow++;
                    iTopMargin += iCellHeight;
                }

                //If more lines exist, print another page.
                if (bMorePagesToPrint)
                    e.HasMorePages = true;
                else
                    e.HasMorePages = false;
            }
            catch (Exception exc)
            {
                MessageBox.Show(exc.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
        #endregion

DataTable dtBit = new DataTable(); 
dtBit.TableName= "Macchine_Bit"; 

using (OleDbCommand cmd = new OleDbCommand("SELECT * FROM [Macchine_Bit] ORDER BY [FIELD_ID]", cnn))
{
	using (OleDbDataAdapter da = new OleDbDataAdapter(cmd))
	{
		da.MissingSchemaAction = MissingSchemaAction.AddWithKey;
		da.Fill(dtBit = new DataTable());
	}
}

cnn.ConnectionString = String.Format(myConnectionString, mdbCopyName);
cnn.Open();

using (OleDbDataAdapter a = new OleDbDataAdapter("SELECT * FROM [Macchine_Bit]", cnn))
{
	OleDbCommandBuilder cb = new OleDbCommandBuilder(a);
	a.MissingSchemaAction = MissingSchemaAction.AddWithKey;
	a.InsertCommand = cb.GetInsertCommand();
	a.DeleteCommand = cb.GetDeleteCommand();
	a.UpdateCommand = cb.GetUpdateCommand();
	a.TableMappings.Add("Macchine_Bit", "Macchine_Bit");                

	DataTable dtBit2 = new DataTable();
	a.Fill(dtBit2);

	dtBit2.Merge(dtBit);
	a.Update(dtBit2);
}