public void InsertarModelo(string Modelo)
        {
            var comando = new SqlCommand("INSERT INTO[dbo].[Cat_Modelo]([Modelo])VALUES ('" + Modelo + "')", Conexion.AbrirConexion());

            try
            {
                comando.ExecuteNonQuery();
            }
            catch (Exception)
            {
                throw;
            }
            Conexion.CerrarConexion();
        }
        public DataTable CargarDatosSites(int edificio)
        {
            DataTable     dtd     = new DataTable();
            var           comando = new SqlCommand("select * from Cat_Site where idEdificio = '" + edificio + "';", Conexion.AbrirConexion());
            SqlDataReader dr      = comando.ExecuteReader();

            dtd.Clear();
            dtd.Load(dr);
            Conexion.CerrarConexion();
            return(dtd);
        }
        public void InsertarSite(string Site)
        {
            var comando = new SqlCommand("INSERT INTO[dbo].[Cat_Site]([Site])VALUES ('" + Site + "')", Conexion.AbrirConexion());

            try
            {
                comando.ExecuteNonQuery();
            }
            catch (Exception)
            {
                throw;
            }
            Conexion.CerrarConexion();
        }
        public void InsertarProveedor(string Proveedor)
        {
            var comando = new SqlCommand("INSERT INTO[dbo].[Cat_Proveedor]([Proveedor])VALUES ('" + Proveedor + "')", Conexion.AbrirConexion());

            try
            {
                comando.ExecuteNonQuery();
            }
            catch (Exception)
            {
                throw;
            }
            Conexion.CerrarConexion();
        }