I have a listbox (multiple select) being populated with a datasource in a .NET page that simply will not register the "selected" attribute. It displays properly, but then when you click one or more of ...

I've got a listbox that holds a list of groups. Users can select a group, hit the remove button and the group should be removed from the listbox. The only problem is that no matter which group you ...

我一个页面里有添加，还有就是listbox,listbox我已经绑定好了, 就是我点击添加之后就是不会绑定到listbox里，要刷新之后才可以看的到我添加的内容，这是怎么一回事。代码如下： .NET 社区是一个围绕开源 .NET 的开放、热情、创新、包容的技术社区。社区致力于为 ...