Get property value from string using reflection

 

public static object GetPropValue(object src, string propName)

 {

     return src.GetType().GetProperty(propName).GetValue(src, null);

 }

public static Object GetPropValue(this Object obj, String name) {

    foreach (String part in name.Split('.')) {

        if (obj == null) { return null; }



        Type type = obj.GetType();

        PropertyInfo info = type.GetProperty(part);

        if (info == null) { return null; }



        obj = info.GetValue(obj, null);

    }

    return obj;

}



public static T GetPropValue<T>(this Object obj, String name) {

    Object retval = GetPropValue(obj, name);

    if (retval == null) { return default(T); }



    // throws InvalidCastException if types are incompatible

    return (T) retval;

}

DateTime now = DateTime.Now;

int min = GetPropValue<int>(now, "TimeOfDay.Minutes");

int hrs = now.GetPropValue<int>("TimeOfDay.Hours");

public class Foo

{

    public object this[string propertyName]

    {

        get { return this.GetType().GetProperty(propertyName).GetValue(this, null); }

        set { this.GetType().GetProperty(propertyName).SetValue(this, value, null); }

    }



    public string Bar { get; set; }

}

Foo f = new Foo();

// Set

f["Bar"] = "asdf";

// Get

string s = (string)f["Bar"];