//Een bestaande band bewerken
public static int EditBand(Band band)
{
try
{
String sSQL = "Update Band Set Name=@Name,Picture=@Picture,Description=@Description WHERE ID=@ID";
DbParameter par1 = Database.AddParameter("@Name", band.Name);
if (par1.Value == null) par1.Value = DBNull.Value;
DbParameter par2 = Database.AddParameter("@Description", band.Description);
if (par2.Value == null) par2.Value = DBNull.Value;
DbParameter par3 = Database.AddParameter("@ID", band.Id);
if (par3.Value == null) par3.Value = DBNull.Value;
DbParameter par4 = Database.AddParameter("@Picture", band.Picture);
if (par4.Value == null) par4.Value = DBNull.Value;
DbParameter[] pars = new DbParameter[] { par1, par2, par3, par4 };
int affected = Database.ModifyData(sSQL, pars);
return affected;
}
catch (Exception ex) { Console.WriteLine(ex.Message); return 0; }
}
//Een nieuwe line up maken van een stage
private static LineUp CreateLineUpFromStage(IDataRecord record, Band band)
{
return new LineUp()
{
Id = record["Id"].ToString(),
Date = Convert.ToDateTime(record["Date"].ToString()),
From = record["From"].ToString(),
Until = record["Until"].ToString(),
Band = band
};
}
//Een nieuwe band toevoegen in de database
public static int AddBand(Band band)
{
try
{
String sSQL = "INSERT INTO Band(Name, Picture, [Description], Twitter, Facebook) VALUES(@Name, @Picture, @Description, @Twitter, @Facebook)";
DbParameter par1 = Database.AddParameter("@Name", band.Name);
if (par1.Value == null) par1.Value = DBNull.Value;
DbParameter par2 = Database.AddParameter("@Picture", band.Picture);
if (par2.Value == null) par2.Value = DBNull.Value;
DbParameter par3 = Database.AddParameter("@Description", band.Description);
if (par3.Value == null) par3.Value = DBNull.Value;
DbParameter par4 = Database.AddParameter("@Twitter", band.Twitter);
if (par4.Value == null) par4.Value = DBNull.Value;
DbParameter par5 = Database.AddParameter("@Facebook", band.Facebook);
if (par5.Value == null) par5.Value = DBNull.Value;
DbParameter[] pars = new DbParameter[] { par1, par2, par3, par4, par5 };
int affected = Database.ModifyData(sSQL, pars);
//OOK NOG DE GENRES TOEVOEGEN!
//Dit kunnen we doen door een inner join met 2 tabellen
String subSQL = "INSERT INTO Band_Genre(BandId, GenreId) VALUES(@BandId, @GenreId)";
foreach (Genre genre in band.Genres)
{
Band bandID = Band.GetBandIdByName(band.Name);
DbParameter par7 = Database.AddParameter("@BandId", bandID.Id);
if (par7.Value == null) par7.Value = DBNull.Value;
Genre genreID = Genre.GetGenreIdByName(genre.Name);
DbParameter par8 = Database.AddParameter("@GenreId", genreID.Id);
if (par8.Value == null) par8.Value = DBNull.Value;
DbParameter[] pars2 = new DbParameter[] { par7, par8 };
Database.ModifyData(subSQL, pars2);
}
return affected;
}
catch (Exception ex) { Console.WriteLine(ex.Message); return 0; }
}
