How to save console ouput data into console application using C#

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My console application code as follows

string connectionstring = "Server=(local);initial catalog=Test;Trusted_Connection=True";
SqlConnection sqlConnection = new SqlConnection(connectionstring);
SqlCommand cmd = new SqlCommand();
SqlDataReader reader;
DataSet ds = new DataSet();
cmd.CommandText = "select * from Empdetails";
cmd.CommandType = CommandType.Text;
cmd.Connection = sqlConnection;
sqlConnection.Open();
reader = cmd.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
Console.WriteLine("ID | Name | Address | City | Phone \n {0} | {1} | {2} | {3} | {4}", reader.GetInt32(0),
reader.GetString(1), reader.GetString(2), reader.GetString(3), reader.GetString(4));
}
}
sqlConnection.Close();

when i execute the above code in console application in command prompt output will displayed as follows

ID Name Address City Phone Actvie
1 Ajay LakeViewRaod Chennai 24851524 A
2 Suresh GandhiNagar Chennai 24745734 A
3 Vimal BoagRoad Chennai 24754874 A
4 Rahul Alwarthirunagar Chennai 24758471 A
5 Karthik GNTCheetyRoad Chennai 24845454 A

i want the above output to be save in excel in my download folder.

for that how can i do in asp.net using c# in console application

What I have tried:

My console application code as follows

string connectionstring = "Server=(local);initial catalog=Test;Trusted_Connection=True";
SqlConnection sqlConnection = new SqlConnection(connectionstring);
SqlCommand cmd = new SqlCommand();
SqlDataReader reader;
DataSet ds = new DataSet();
cmd.CommandText = "select * from Empdetails";
cmd.CommandType = CommandType.Text;
cmd.Connection = sqlConnection;
sqlConnection.Open();
reader = cmd.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
Console.WriteLine("ID | Name | Address | City | Phone \n {0} | {1} | {2} | {3} | {4}", reader.GetInt32(0),
reader.GetString(1), reader.GetString(2), reader.GetString(3), reader.GetString(4));
}
}
sqlConnection.Close();

when i execute the above code in console application in command prompt output will displayed as follows

ID Name Address City Phone Actvie
1 Ajay LakeViewRaod Chennai 24851524 A
2 Suresh GandhiNagar Chennai 24745734 A
3 Vimal BoagRoad Chennai 24754874 A
4 Rahul Alwarthirunagar Chennai 24758471 A
5 Karthik GNTCheetyRoad Chennai 24845454 A

i want the above output to be save in excel in my download folder.

for that how can i do in asp.net using c# in console application

Posted 12-Aug-16 21:56pm

sudhakarthikeyan

Updated 12-Aug-16 22:11pm

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Garth J Lancaster · Answer 1 · 2016-08-12T22:11:00

I'm not quite sure what asp.net has to do with a console application ... if you wish to write your output to a file that can be read by excel, then, something like this

C#

using (System.IO.StreamWriter fileOutput = 
   new System.IO.StreamWriter(@"C:\Some Path\sudhakarthikeyan.csv"))
{
  while (reader.Read()
  {
    fileOutput.WriteLine("{0},{1},{2},{3},{4}", 
                      reader.GetInt32(0),
                      reader.GetString(1),
                      reader.GetString(2),
                      reader.GetString(3),
                      reader.GetString(4);
  }
}

Now, if you're running from ASP.Net instead of 'a console application', you'll need to replace

C:\Some Path

With a 'mapped path', ie a valid path on your web site. This http://www.dotnetperls.com/mappath[^] may be a reference for how to start

There are also other tools that might be useful - FileHelpers Library[^] for instance