public static void DeleteObject(PFEquation dataObject)
{
string query = string.Format("DELETE FROM {0} " +
"WHERE Id = {1}", table, dataObject.Id);
DataBaseManager.ExecuteQuery(query);
}
public static int UpdateObject(PFEquation dataObject)
{
bool isNew = false;
string query = string.Format("SELECT Recurso " +
"FROM {0} " +
"WHERE Id = {1}", table, dataObject.Id);
OleDbDataReader reader = DataBaseManager.ReadData(query);
if (!reader.Read())
{
query = string.Format("INSERT INTO {0}(Recurso, Embalse, Intercepto, coeficienteLineal, coeficienteCuadratico, Escenario) " +
"VALUES(@Name, @Reservoir, @Intercept, @LinearCoefficient, @CuadraticCoefficient, @Case)", table);
isNew = true;
}
else
{
query = string.Format("UPDATE {0} SET " +
"Recurso = @Name, " +
"Embalse = @Reservoir, " +
"Intercepto = @Intercept, " +
"coeficienteLineal = @LinearCoefficient, " +
"coeficienteCuadratico = @CuadraticCoefficient, " +
"escenario = @Case " +
"WHERE Id = @Id", table);
}
DataBaseManager.DbConnection.Close();
using (OleDbCommand command = new OleDbCommand(query, DataBaseManager.DbConnection))
{
command.Parameters.Add("@Name", OleDbType.VarChar);
command.Parameters.Add("@Reservoir", OleDbType.VarChar);
command.Parameters.Add("@Intercept", OleDbType.Numeric);
command.Parameters.Add("@LinearCoefficient", OleDbType.Numeric);
command.Parameters.Add("@CuadraticCoefficient", OleDbType.Numeric);
command.Parameters.Add("@Case", OleDbType.Numeric);
command.Parameters.Add("@Id", OleDbType.Numeric);
DataBaseManager.DbConnection.Open();
command.Parameters["@Name"].Value = dataObject.Name;
command.Parameters["@Reservoir"].Value = dataObject.Reservoir;
command.Parameters["@Intercept"].Value = dataObject.Intercept;
command.Parameters["@LinearCoefficient"].Value = dataObject.LinearCoefficient;
command.Parameters["@CuadraticCoefficient"].Value = dataObject.CuadraticCoefficient;
command.Parameters["@Case"].Value = dataObject.Case;
command.Parameters["@Id"].Value = dataObject.Id;
try
{
int rowsAffected = command.ExecuteNonQuery();
}
catch
{
DataBaseManager.DbConnection.Close();
throw;
}
DataBaseManager.DbConnection.Close();
}
if (isNew)
{
int id;
query = string.Format("SELECT Max(Id) FROM {0}", table);
reader = DataBaseManager.ReadData(query);
reader.Read();
id = Convert.ToInt32(reader.GetValue(0));
DataBaseManager.DbConnection.Close();
return(id);
}
else
{
return(-1);
}
}
public PFEquationViewModel(PFEquation pfEquation)
{
this.pfEquation = pfEquation;
}
public PFEquationViewModel()
{
pfEquation = new PFEquation();
Case = 1;
}
