/C#/Set-variables-from-an-object-using-reflection

Set-variables-from-an-object-using-reflection

public void Validate(object o)
{
    Type t = o.GetType();
    foreach (var prop in
        t.GetProperties(BindingFlags.Instance | BindingFlags.Public))
    {
        if (Attribute.IsDefined(prop, typeof(RequiredAttribute)))
        {
            object value = prop.GetValue(o, null);
            if (value == null)
                throw new RequiredFieldException(prop.Name);
        }
    }
}

Source: stackoverflow.com

Set-variables-from-an-object-using-reflection

public class GenericDataSet<T> where T : class, new()
{
    public T KeepElementsData()
    {
        var item = new T();
        //Propertys durchlaufen
        foreach (var propertyInfo in item.GetType().GetProperties())
        {
            item.GetType().GetProperty(propertyInfo.Name).SetValue(item, "TestData");  //this works
        }

        //Fields durchlaufen
        foreach (var fieldInfo in item.GetType().GetFields())
        {
            object fieldObject = Activator.CreateInstance(fieldInfo.FieldType);

            // Or if it's already instantiated: 
            // object fieldObject = fieldInfo.GetValue(item);

            foreach (var fieldProperty in fieldInfo.FieldType.GetProperties())
            {
                fieldProperty.SetValue(fieldObject, "TestData not work", null); // this doesent work
            }
            fieldInfo.SetValue(item, fieldObject);
        }
        return item;
    }
}

Source: stackoverflow.com

Similar codes

0 vote330 views1 answer
C# list remove item based on property duplicate
C#
1 vote350 views2 answers
No context type was found in the assembly
C#
0 vote354 views1 answer
Xamarin Forms iOS Picker done
C#
22 votes338 views3 answers
Hello world in c#
C#
0 vote304 views1 answer
Computing a Cartesian product or Combinations with LINQ
C#
18 votes325 views3 answers
C# get date
C#
6 votes352 views1 answer
Function on animation exit unity
C#
8 votes341 views1 answer
Void on collision enter 2d
C#
3 votes365 views1 answer
How to set a custom size for window in monogame
C#
0 vote328 views1 answer
C# switch expression pattern matching
C#