Simple c# server

We need a C# Sharp server which listen on port 5050 using SSL and on port 5051 without ssl What it will do connect to mysql database for obtaining login id and password and news. (database already there) it will list connected users, allow us to disconnect any user, show connected since, data in and data out for each user client will send following commands Login userid pass(on new line) Server Response: Error Invalid Login Error Invalid Password Success Login SEND CATEGORYNAME Server will send following command Error Login Required Success will send group data from excel comma separated SEND STOCK CODE LIKE ZLC1 Server will send following command Error Login Required Success will send stock data from excel comma separated We will read data from ACTIVE EXCEEL SHEET and not from excel file - excel data file is given here for reference only TIP 1 : Sample Code for reading from active excel sheet [login to view URL] app = [login to view URL]("[login to view URL]") as [login to view URL]; Workbook workBook = [login to view URL] as [login to view URL]; Worksheet xlWorksheet = [login to view URL][SheetNo] as [login to view URL]; string excelValue = [login to view URL](([login to view URL][row, col] as [login to view URL]).Value); TIP 2: Don't cache excel data as it changes on each second when in production TIP 3: stores StockCode,Excel RowNo and StockGroupCode/CategoryName,start row,endRow for quick access from excel sheet upon client request