Read column values as Sql* types using the GetSql* methods : Table Column « Database ADO.net « C# / C Sharp

1. C# / C Sharp
2. Database ADO.net
3. Table Column

Read column values as Sql* types using the GetSql* methods

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

class StronglyTypedColumnValuesSql
{
  public static void Main()
  {
    SqlConnection mySqlConnection =new SqlConnection("server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI;");

    SqlCommand mySqlCommand = mySqlConnection.CreateCommand();

    mySqlCommand.CommandText =
       "SELECT TOP 5 ID, Name, UnitPrice, " +
       "UnitsInStock, Discontinued " +
       "FROM Products " +
       "ORDER BY ProductID";

    mySqlConnection.Open();

    SqlDataReader productsSqlDataReader = mySqlCommand.ExecuteReader();

    int productIDColPos = productsSqlDataReader.GetOrdinal("ID");
    int productNameColPos = productsSqlDataReader.GetOrdinal("Name");
    int unitPriceColPos = productsSqlDataReader.GetOrdinal("UnitPrice");
    int unitsInStockColPos = productsSqlDataReader.GetOrdinal("UnitsInStock");
    int discontinuedColPos = productsSqlDataReader.GetOrdinal("Discontinued");

    while (productsSqlDataReader.Read())
    {
      SqlInt32 productID = productsSqlDataReader.GetSqlInt32(productIDColPos);
      Console.WriteLine("productID = " + productID);

      SqlString productName = productsSqlDataReader.GetSqlString(productNameColPos);
      Console.WriteLine("productName = " + productName);

      SqlMoney unitPrice = productsSqlDataReader.GetSqlMoney(unitPriceColPos);
      Console.WriteLine("unitPrice = " + unitPrice);

      SqlInt16 unitsInStock = productsSqlDataReader.GetSqlInt16(unitsInStockColPos);
      Console.WriteLine("unitsInStock = " + unitsInStock);

      SqlBoolean discontinued = productsSqlDataReader.GetSqlBoolean(discontinuedColPos);
      Console.WriteLine("discontinued = " + discontinued);
    }

    productsSqlDataReader.Close();
    mySqlConnection.Close();
  }
}
           
       

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