using System; using System.Data; using System.Data.SqlClient; class MultipleDataTables2 { public static void Main() { SqlConnection mySqlConnection = new SqlConnection("server=localhost;database=Northwind;uid=sa;pwd=sa"); SqlCommand mySqlCommand = mySqlConnection.CreateCommand(); mySqlCommand.CommandText = "SELECT TOP 2 ProductID, ProductName, UnitPrice FROM Products ORDER BY ProductID"; SqlDataAdapter mySqlDataAdapter = new SqlDataAdapter(); mySqlDataAdapter.SelectCommand = mySqlCommand; DataSet myDataSet = new DataSet(); mySqlConnection.Open(); int numberOfRows = mySqlDataAdapter.Fill(myDataSet, "Products"); Console.WriteLine("numberOfRows = " + numberOfRows); mySqlDataAdapter.SelectCommand.CommandText = "SELECT CustomerID, CompanyName FROM Customers WHERE CustomerID = 'ALFKI'"; numberOfRows = mySqlDataAdapter.Fill(myDataSet, "Customers"); Console.WriteLine("numberOfRows = " + numberOfRows); mySqlConnection.Close(); foreach (DataTable myDataTable in myDataSet.Tables) { Console.WriteLine(" Reading from the " + myDataTable.TableName + " DataTable"); foreach (DataRow myDataRow in myDataTable.Rows) { foreach (DataColumn myDataColumn in myDataTable.Columns) { Console.WriteLine(myDataColumn + " = " + myDataRow[myDataColumn]); } } } } }