将变量类对象传递给类

Question

I'm trying to work out if the following is possible, I've done lots of googling and I'm a bit confused. I'm pretty sure I can work out the class reflection on the object class and updating the database isn't a problem once I have the loop, but I can't work out if this is possible at all.

If I was doing this with a fixed class object it'd be easy I'd just do:

public void updateDB(obj_Users myObject)

But as I have a lot of class objects that will take a long time, so trying to make it more dynamic.

Here is a sample of a class I want to pass through (but could be anything following the same format):

public class obj_Users
{
    public Int32 UserID { get; set; }
    public String UserName { get; set; }
    public String FirstName { get; set; }
    public String Surname { get; set; }
    public String Email { get; set; }
    public Int32 UserRole { get; set; }
    public Int32 UserCompanyID { get; set; }
    public String UserPassword { get; set; }
    public Boolean IsAdmin { get; set; }
    public String SessionKey { get; set; }
}

Here is some pseudocode of what I'm trying to achieve to explain:

public void updateDB(AnyClassObject obj_Users)
{
    // Loop through obj_Users and grab the properties

    // DB update call
}

Answer 1

Try this to loop to get the properties

foreach(var prop in obj_Users.GetType().GetProperties()) {
    //use your props
}

Answer 2

This:

public void updateDB(object paramobj)
{
    foreach(var prop in paramobj.GetType().GetProperties())
    {
           //grab
    }
    // update
 }

Answer 3

You just need your parameter to be of type object to pass an instance of any class or struct.

public void updateDB(object whatever)
{
    foreach(var prop in whatever.GetType().GetProperties())
    {
       ... //do stuff
    }
} 

Answer 4

If you're stuck with the problem of having to deal with different classes, a generic method should fit your needs:

public void UpdateDB<T>(T obj)
{
    var properties = typeof(T).GetProperties();

    foreach (var prop in properties)
    {
        // Here you loop through the properties.
    }
}