Write log file while creating application

Write log while creating ur application. use below two class for write a log for ur appliaciton

//**************************************************************************//

Create one Application Class for Address where to store log………….

/******************/

using System;
using System.Collections.Generic;
using System.Text;

   
        class AppClass
        {

// change folder name if require by default mylog in c drive
            //public static string AppPath = @"c:\myLog\";
           // public static string AppPath = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
            public static string AppPath = System.IO.Path.GetDirectoryName(AppDomain.CurrentDomain.BaseDirectory);

            public AppClass()
            {
                Log4NET.Write(this.ToString() + " AppPath " + AppPath);
           
            }
        }

//**************************************************************************/

//  Create another Class for write log as per Datetime

using System;
using System.Collections.Generic;
using System.Text;


     public  class Log4NET
        {
            public static string logfile = @"\logs\LogEntery.log";
            public static string errlogfile = @"\logs\LogError.err";
            
            public static void Write(string message)
            {
                string DateTimeFile = "";
                DateTime dt = DateTime.Now;
                try{
                        if (!System.IO.Directory.Exists(AppClass.AppPath + @"\logs"))
                        {
                            System.IO.Directory.CreateDirectory(AppClass.AppPath + @"\logs");
                        }
                        DateTimeFile = dt.Year + "" + (dt.Month <= 9 ? "0" + dt.Month + "" : dt.Month + "") + "" + dt.Day + "";
                        logfile = @"\logs\DBConfig_" + DateTimeFile + ".log";
                        System.IO.FileStream fs = System.IO.File.Open(AppClass.AppPath + logfile, System.IO.FileMode.Append);
                        byte[] info = new System.Text.UTF8Encoding(true).GetBytes(System.DateTime.Now.ToString() + ":" + message + "\n");
                        fs.Write(info, 0, info.Length);
                        fs.Close();
                    }catch(Exception se){
                        if (!System.IO.Directory.Exists(AppClass.AppPath + @"\logs"))
                        {
                        System.IO.Directory.CreateDirectory(AppClass.AppPath + @"\logs");
                        }
                    System.IO.FileStream fs = System.IO.File.Open(AppClass.AppPath + @"\logs\dbLogCon.err", System.IO.FileMode.Append);
                        byte[] info = new System.Text.UTF8Encoding(true).GetBytes(System.DateTime.Now.ToString() + ":" + message + "\n");
                        fs.Write(info, 0, info.Length);
                        fs.Close();
                    }

            }
            public static void Error(string message)
            {
                string DateTimeFile = "";
                DateTime dt = DateTime.Now;
                try{
                    if (!System.IO.Directory.Exists(AppClass.AppPath + @"\logs"))
                    {
                        System.IO.Directory.CreateDirectory(AppClass.AppPath + @"\logs");
                    }
                    DateTimeFile = dt.Year + "" + (dt.Month <= 9 ? "0" + dt.Month + "" : dt.Month + "") + "" + dt.Day + "";
                    errlogfile = @"\logs\DBConfig_" + DateTimeFile + ".err";
                    System.IO.FileStream fs = System.IO.File.Open(AppClass.AppPath + errlogfile, System.IO.FileMode.Append);
                    byte[] info = new System.Text.UTF8Encoding(true).GetBytes(System.DateTime.Now.ToString() + ":" + message + "\n");
                    fs.Write(info, 0, info.Length);
                    fs.Close();
                    }catch(Exception se){
                        if (!System.IO.Directory.Exists(AppClass.AppPath + @"\logs"))
                        {
                            System.IO.Directory.CreateDirectory(AppClass.AppPath + @"\logs");
                        }
                        System.IO.FileStream fs = System.IO.File.Open(AppClass.AppPath + @"\logs\dbLogCon.err", System.IO.FileMode.Append);
                        byte[] info = new System.Text.UTF8Encoding(true).GetBytes(System.DateTime.Now.ToString() + ":" + message + "\n");
                        fs.Write(info, 0, info.Length);
                        fs.Close();                    
                    }

            }

        }

//**********************************************************************//

//***********************how to use in ur application**************************//

protected void btnLogin_Click(object sender, EventArgs e)
    {

       Try

       {

                Log4NET.Write("Login Clicked:");
        }

     Catch(Exception er)

       {

             Log4NET.Error("Login Failed:" +er.ToString());

        }
      
    }

//*******************//

//File Created on above path and log is written.......

logfile

Thank you bhavesh
 

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