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Get max column value

using System; using System.Data; using System.Data.OleDb; public class DatabaseInfo {      public static void Main () {     String connect = "Provider=Microsoft.JET.OLEDB.4.0;data source=.\\Employee.mdb";    OleDbConnection con = new OleDbConnection(connect);    con.Open();      Console.WriteLine("Made the connection to the database");    OleDbCommand command = con.CreateCommand();    command.CommandText ="SELECT MAX(Salary) FROM Employee";    Console.WriteLine("Max of salary: {0:C}",(decimal)command.ExecuteScalar());    con.Close();  } }