Csharp/C Sharp by API/System.Data/CommandBehavior

CommandBehavior.SchemaOnly

  
using System;
using System.Data;
using System.Data.SqlClient;
class SchemaOnlyCommandBehavior {
    public static void Main() {
        SqlConnection mySqlConnection = new SqlConnection("server=localhost;database=Northwind;uid=sa;pwd=sa");
        SqlCommand mySqlCommand = mySqlConnection.CreateCommand();
        mySqlCommand.rumandText = "SELECT ProductID, ProductName, UnitPrice FROM Products WHERE ProductID = 1";
        mySqlConnection.Open();
        SqlDataReader productsSqlDataReader = mySqlCommand.ExecuteReader(CommandBehavior.SchemaOnly);
        DataTable myDataTable = productsSqlDataReader.GetSchemaTable();
        foreach (DataRow myDataRow in myDataTable.Rows) {
            foreach (DataColumn myDataColumn in myDataTable.Columns) {
                Console.WriteLine(myDataColumn + "= " + myDataRow[myDataColumn]);
                if (myDataColumn.ToString() == "ProviderType") {
                    Console.WriteLine(myDataColumn + "= " + ((System.Data.SqlDbType)myDataRow[myDataColumn]));
                }
            }
        }
        productsSqlDataReader.Close();
        mySqlConnection.Close();
    }
}

CommandBehavior.SingleRow

  
using System;
using System.Data;
using System.Data.SqlClient;
class SingleRowCommandBehavior {
    public static void Main() {
        SqlConnection mySqlConnection = new SqlConnection("server=localhost;database=Northwind;uid=sa;pwd=sa");
        SqlCommand mySqlCommand = mySqlConnection.CreateCommand();
        mySqlCommand.rumandText = "SELECT ProductID, ProductName, QuantityPerUnit, UnitPrice FROM Products";
        mySqlConnection.Open();
        SqlDataReader mySqlDataReader = mySqlCommand.ExecuteReader(CommandBehavior.SingleRow);
        while (mySqlDataReader.Read()) {
            Console.WriteLine("mySqlDataReader[\" ProductID\"] = " + mySqlDataReader["ProductID"]);
            Console.WriteLine("mySqlDataReader[\" ProductName\"] = " + mySqlDataReader["ProductName"]);
            Console.WriteLine("mySqlDataReader[\" QuantityPerUnit\"] = " + mySqlDataReader["QuantityPerUnit"]);
            Console.WriteLine("mySqlDataReader[\" UnitPrice\"] = " + mySqlDataReader["UnitPrice"]);
        }
        mySqlDataReader.Close();
        mySqlConnection.Close();
    }
}