public void Borrar()
{
AulaEstado AulaEstado = new AulaEstado();
AulaEstado.Id = Convert.ToInt32(this.txtId.Text);
db.borrarAulaEstado(AulaEstado);
cargarDataGrid();
edicion(false);
}
public bool Guardar()
{
edicion(false);
if (this.txtId.Text == "")
{
/*------------INSERTAR FACULTAD----------------*/
if (this.txtDescripcion.Text != "")
{
AulaEstado AulaEstado = new AulaEstado();
AulaEstado.Descripcion = this.txtDescripcion.Text;
insertAulaEstado(AulaEstado);
this.dgAulaEstados.Enabled = true;
cargarDataGrid();
this.txtId.DataBindings.Add("Text", AulaEstadosBindingSource, "Id");
this.txtDescripcion.DataBindings.Add("Text", AulaEstadosBindingSource, "Descripcion");
this.AulaEstadosBindingSource.MoveLast();
return true;
}
else
{
MessageBox.Show("Descripción no puede estar vacio.", "Error", MessageBoxButtons.OK);
return false;
}
/*---------FIN INSERTAR FACULTAD----------------*/
}
else
{
/*------------Actualizar FACULTAD----------------*/
if (this.txtDescripcion.Text != "")
{
AulaEstado AulaEstado = new AulaEstado();
AulaEstado.Id = Convert.ToInt32(this.txtId.Text);
AulaEstado.Descripcion = this.txtDescripcion.Text;
actualizarAulaEstado(AulaEstado);
this.dgAulaEstados.Enabled = true;
cargarDataGrid();
return true;
}
else
{
MessageBox.Show("Descripción no puede estar vacio","Error",MessageBoxButtons.OK);
return false;
}
/*---------FIN Actualizar FACULTAD----------------*/
}
}
public Boolean actualizarAulaEstado(AulaEstado AulaEstado)
{
this.connection.Open();
this.command = this.connection.CreateCommand();
this.transaction = this.connection.BeginTransaction();
this.command.Connection = this.connection;
this.command.Transaction = this.transaction;
try
{
this.command.CommandText = "Update aula_estado set descripcion=@descripcion where id_estado=@id;";
this.command.Parameters.Add(new SqlParameter("@descripcion", SqlDbType.NVarChar, 50));
this.command.Parameters.Add(new SqlParameter("@id", SqlDbType.Int));
this.command.Parameters["@descripcion"].Value = AulaEstado.Descripcion;
this.command.Parameters["@id"].Value = AulaEstado.Id;
this.command.ExecuteNonQuery();
this.transaction.Commit();
return true;
}
catch (Exception e)
{
try
{
this.transaction.Rollback();
throw new Exception("Error al Actualizar." + e.Message);
return false;
}
catch (Exception ex)
{
throw new Exception("Error al rollback accion." + ex.Message);
return false;
}
}
finally
{
this.connection.Close();
}
}
public Boolean insertAulaEstado(AulaEstado AulaEstado)
{
this.connection.Open();
this.command = this.connection.CreateCommand();
this.transaction = this.connection.BeginTransaction();
this.command.Connection = this.connection;
this.command.Transaction = this.transaction;
try
{
this.command.CommandText = "insert into aula_estado(Descripcion) values(@descripcion);" + "SELECT CAST(scope_identity() AS int)";
this.command.Parameters.Add(new SqlParameter("@descripcion", SqlDbType.NVarChar, 50));
this.command.Parameters["@descripcion"].Value = AulaEstado.Descripcion;
this.lastUpdated = this.command.ExecuteScalar().ToString();
this.transaction.Commit();
return true;
}
catch (Exception e)
{
try
{
transaction.Rollback();
throw new Exception("Error al insertar registro. " + e.Message);
return false;
}
catch (Exception ex)
{
throw new Exception("Error al roolback accion. " + ex.Message);
}
}
finally
{
this.connection.Close();
}
}
/*--------------------FIN CATALOGO AulaTipoUsos------------------------*/
/*--------------------Catalogo de AulaEstadoUsos-------------------------*/
public List<AulaEstado> getAulaEstado()
{
SqlDataReader dataReader = null;
List<AulaEstado> AulaEstado = new List<AulaEstado>();
try
{
string query = "Select * from aula_estado";
command = new SqlCommand(query, connection);
command.Connection.Open();
dataReader = command.ExecuteReader();
while (dataReader.Read())
{
AulaEstado edi = new AulaEstado();
edi.Id = Convert.ToInt32(dataReader["id_estado"].ToString());
edi.Descripcion = dataReader["descripcion"].ToString();
AulaEstado.Add(edi);
}
return AulaEstado;
}
catch (Exception e)
{
throw new Exception("Error al obtener datos de AulaEstado. " + e.Message.ToString());
}
finally
{
command.Connection.Close();
}
}
public Boolean borrarAulaEstado(AulaEstado AulaEstado)
{
this.connection.Open();
this.command = this.connection.CreateCommand();
this.transaction = this.connection.BeginTransaction();
this.command.Connection = this.connection;
this.command.Transaction = this.transaction;
try
{
this.command.CommandText = "delete from aula_estado where id_estado=@id;";
this.command.Parameters.Add(new SqlParameter("@id", SqlDbType.Int));
this.command.Parameters["@id"].Value = AulaEstado.Id;
this.command.ExecuteNonQuery();
this.transaction.Commit();
return true;
}
catch (Exception e)
{
try
{
this.transaction.Rollback();
throw new Exception("Error al borrar registro. " + e.Message);
return false;
}
catch (Exception ex)
{
throw new Exception("Error al rollback acción. " + ex.Message);
return false;
}
}
finally
{
this.connection.Close();
}
}
private bool insertAulaEstado(AulaEstado AulaEstado)
{
try
{
db.insertAulaEstado(AulaEstado);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
return true;
}
private bool actualizarAulaEstado(AulaEstado AulaEstado)
{
try
{
db.actualizarAulaEstado(AulaEstado);
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
return true;
}