public string Save(RodSize aRodSize)
{
if (RodSizeDataAccess.IsSizeUnique(aRodSize.Size) != null)
{
return("Size already exists");
}
string msg = RodSizeDataAccess.Save(aRodSize);
return(msg);
}
private void rodSizeSaveButton_Click(object sender, EventArgs e)
{
RodSize aRodSize = new RodSize();
aRodSize.Size = rodSizeEntryTextBox.Text;
RodSizeManager aRodSizeManager = new RodSizeManager();
string msg = aRodSizeManager.Save(aRodSize);
MessageBox.Show(msg);
}
internal static string Save(RodSize aRodSize)
{
string query = "INSERT INTO t_rod_size(size) VALUES ('" + aRodSize.Size + "')";
SqlConnection sqlConnection = new SqlConnection(connectionString);
sqlConnection.Open();
SqlCommand sqlCommand = new SqlCommand(query, sqlConnection);
sqlCommand.ExecuteNonQuery();
sqlConnection.Close();
return("Rod size info saved");
}
public static RodSize IsSizeUnique(string size)
{
string query = "SELECT * FROM t_rod_size where size = '" + size + "'";
SqlConnection sqlConnection = new SqlConnection(connectionString);
sqlConnection.Open();
SqlCommand sqlCommand = new SqlCommand(query, sqlConnection);
SqlDataReader sqlDataReader = sqlCommand.ExecuteReader();
while (sqlDataReader.Read())
{
RodSize aRodSize = new RodSize();
aRodSize.Size = sqlDataReader[1].ToString();
sqlConnection.Close();
return(aRodSize);
}
sqlConnection.Close();
return(null);
}
public static List <RodSize> GetAll()
{
string query = "SELECT * FROM t_rod_size";
SqlConnection sqlConnection = new SqlConnection(connectionString);
sqlConnection.Open();
SqlCommand sqlCommand = new SqlCommand(query, sqlConnection);
SqlDataReader sqlDataReader = sqlCommand.ExecuteReader();
List <RodSize> rodSizes = new List <RodSize>();
while (sqlDataReader.Read())
{
RodSize aRodSize = new RodSize();
aRodSize.Id = Convert.ToInt32(sqlDataReader[0]);
aRodSize.Size = sqlDataReader[1].ToString();
rodSizes.Add(aRodSize);
}
sqlConnection.Close();
return(rodSizes);
}