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using System;
using System.Data;
using System.Data.SqlClient;
class MainClass
{
static void Main(string[] args)
{
string connString = @"server = .\sqlexpress;integrated security = true;database = northwind";
string sql = @"select productname,unitprice from products where unitprice < 20";
SqlConnection conn = new SqlConnection(connString);
try
{
conn.Open();
SqlDataAdapter da = new SqlDataAdapter(sql, conn);
DataSet ds = new DataSet();
da.Fill(ds, "products");
DataTable dt = ds.Tables["products"];
foreach (DataRow row in dt.Rows)
{
foreach (DataColumn col in dt.Columns)
Console.WriteLine(row[col]);
}
}
catch(Exception e)
{
Console.WriteLine("Error: " + e);
}
finally
{
conn.Close();
}
}
}
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