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 = 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 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