Schema Table from SqlDataReader : SqlDataReader « ADO.Net « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. ADO.Net
3. SqlDataReader

using System;
using System.Data;
using System.Data.SqlClient;

    class SchemaTable
    {
        static void Main(string[] args)
        {
            string connString = @"server = .\sqlexpress;integrated security = true;database = northwind";
            string sql = @"select * from employees";
            SqlConnection conn = new SqlConnection(connString);
            try
            {
                conn.Open();
                SqlCommand cmd = new SqlCommand(sql, conn);
                SqlDataReader rdr = cmd.ExecuteReader();
                DataTable schema = rdr.GetSchemaTable();
                foreach (DataRow row in schema.Rows)
                {
                    foreach (DataColumn col in schema.Columns)
                        Console.WriteLine(col.ColumnName + " = " + row[col]);
                }
                rdr.Close();
            }
            catch (Exception e)
            {
                Console.WriteLine("Error Occurred: " + e);
            }
            finally
            {
                conn.Close();
            } 
        }
    }