// Gets a full list of all customers ordered by lastname.
// Fields: [LastName, FirstName] As FullName, ID
private ErrorValue GetCustomers(Command command)
{
string sql = "SELECT LastName + ', ' + FirstName As FullName, ID FROM Customers Order By LastName";
List <Customer> customers = new List <Customer>();
using (var connection = new SqlConnection(CONNECTIONSTRING))
{
customers = connection.Query <Customer>(sql).ToList();
}
command.ReadValue = TcHmiSerializer.SerializeObject(customers);
command.ExtensionResult = ExtensionErrorValue.HMI_EXT_SUCCESS;
return(ErrorValue.HMI_SUCCESS);
}
private ErrorValue GetProducts(Command command)
{
string sql = "SELECT id, Title FROM Inventory";
List <Product> product = new List <Product>();
using (var connection = new SqlConnection(CONNECTIONSTRING))
{
product = connection.Query <Product>(sql).ToList();
}
command.ReadValue = TcHmiSerializer.SerializeObject(product);
command.ExtensionResult = ExtensionErrorValue.HMI_EXT_SUCCESS;
return(ErrorValue.HMI_SUCCESS);
}