public static T ConvertAndAssignment<T>(this object obj) where T : new()
{
T t = new T();
PropertyInfo[] propertys = obj.GetType().GetProperties();
foreach (PropertyInfo property in propertys)
{
var value = http://www.mamicode.com/property.GetValue(obj, null);
var propertyNew = typeof(T).GetProperty(property.Name);
if (propertyNew != null)
{
propertyNew.SetValue(t, value, null);
}
}
return t;
}

public static T PopulateEntityFromCollection<T>(T entity, IDataReader collection) where T : new()
        {
            //初始化 如果为null
            if (entity == null)
            {
                entity = new T();
            }
            //得到类型
            Type type = typeof(T);
            //取得属性集合
            PropertyInfo[] pi = type.GetProperties();
            foreach (PropertyInfo item in pi)
            {
                //给属性赋值
                if (collection[item.Name] != null)
                {
                    item.SetValue(entity, Convert.ChangeType(collection[item.Name], item.PropertyType), null);
                }
            }
            return entity;
        }


http://blog.csdn.net/xiaohan2826/article/details/8536074
http://www.cnblogs.com/XGLSummer/articles/3017868.html

类属性赋值