public static List<Speaker> GetSpeakers()
{
using (var connection = new SqlConnection("Data Source=(local); Initial Catalog=MADExpoKJ;Integrated Security=SSPI;"))
{
using (var command = new SqlCommand("SELECT * FROM Speaker ORDER BY LastName, FirstName", connection))
{
connection.Open();
using (var reader = command.ExecuteReader())
{
var list = new List<Speaker>();
while (reader.Read())
{
var speaker = new Speaker
{
SpeakerId = reader.GetInt32(0),
FirstName = reader.GetString(1),
LastName = reader.GetString(2),
Twitter = reader.IsDBNull(3) ? null : reader.GetString(3),
Bio = reader.GetString(4)
};
list.Add(speaker);
}
return list;
}
}
}
}
public void UpdateSpeaker(Speaker speaker)
{
if (TryUpdateModel(speaker))
{
SpeakerDataProvider.UpdateSpeaker(speaker);
}
}
public static bool UpdateSpeaker(Speaker speaker)
{
using (var connection = new SqlConnection("Data Source=(local); Initial Catalog=MADExpoKJ;Integrated Security=SSPI;"))
{
using (var command = new SqlCommand("UPDATE Speaker SET FirstName = @FirstName, LastName = @LastName, Twitter = @Twitter WHERE SpeakerId = @SpeakerId", connection))
{
command.Parameters.AddWithValue("@SpeakerId", speaker.SpeakerId);
command.Parameters.AddWithValue("@FirstName", speaker.FirstName);
command.Parameters.AddWithValue("@LastName", speaker.LastName);
command.Parameters.AddWithValue("@Twitter", speaker.Twitter == null ? DBNull.Value : (object)speaker.Twitter);
connection.Open();
return command.ExecuteNonQuery() > 0;
}
}
}
