ADO Net C# Tutorial

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  4. Creating a DataTable and Adding It to a DataSet
using System;
using System.Data;
    class Program
    {
        static void Main(string[] args)
        {
            DataSet ds = new DataSet();
            DataTable dt1 = ds.Tables.Add("Table-1");
            DataTable dt2 = new DataTable("Table-2");
            ds.Tables.Add(dt2);
            DataTable dt3 = new DataTable("Table-3");
            DataTable dt4 = new DataTable("Table-4");
            ds.Tables.AddRange(new DataTable[] { dt3, dt4 });
            Console.WriteLine("DataSet has {0} DataTables named: ",ds.Tables.Count);
            foreach (DataTable dt in ds.Tables)
                Console.WriteLine("\t{0}", dt.TableName);
        }
    }