using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
class Program {
static void Main(string[] args) {
DataSet carsInventoryDS = new DataSet(“Inventory”);
carsInventoryDS.ExtendedProperties[“TimeStamp”] = DateTime.Now;
carsInventoryDS.ExtendedProperties[“Company”] = “Name”;
DataColumn carIDColumn = new DataColumn(“CarID”, typeof(int));
carIDColumn.ReadOnly = true;
carIDColumn.Caption = “Car ID”;
carIDColumn.AllowDBNull = false;
carIDColumn.Unique = true;
carIDColumn.AutoIncrement = true;
carIDColumn.AutoIncrementSeed = 0;
carIDColumn.AutoIncrementStep = 1;
carIDColumn.ColumnMapping = MappingType.Attribute;
DataColumn carMakeColumn = new DataColumn(“Make”, typeof(string));
DataColumn carColorColumn = new DataColumn(“Color”, typeof(string));
DataColumn carPetNameColumn = new DataColumn(“PetName”, typeof(string));
carPetNameColumn.Caption = “Name”;
DataTable inventoryTable = new DataTable(“Inventory”);
inventoryTable.Columns.AddRange(new DataColumn[] { carIDColumn, carMakeColumn, carColorColumn, carPetNameColumn });
inventoryTable.PrimaryKey = new DataColumn[] { inventoryTable.Columns[0] };
DataRow carRow = inventoryTable.NewRow();
carRow[“Make”] = “B”;
carRow[“Color”] = “C”;
carRow[“PetName”] = “A”;
inventoryTable.Rows.Add(carRow);
carRow = inventoryTable.NewRow();
carRow[“Make”] = “S”;
carRow[“Color”] = “R”;
carRow[“PetName”] = “E”;
inventoryTable.Rows.Add(carRow);
carsInventoryDS.Tables.Add(inventoryTable);
PrintTable(carsInventoryDS.Tables[“Inventory”]);
}
private static void PrintTable(DataTable dt) {
DataTableReader dtReader = dt.CreateDataReader();
while (dtReader.Read()) {
for (int i = 0; i < dtReader.FieldCount; i++) {
Console.Write("{0} = {1} ",
dtReader.GetName(i).Trim(),
dtReader.GetValue(i).ToString().Trim());
}
Console.WriteLine();
}
dtReader.Close();
}
}
[/csharp]