剑花　烟雨

摘要： 在使用CascadingDropdownList的时候需要注意的问题： (1)只能通过Web Service的方式来使用这个控件 (2)创建的Web Service 如下 [System.Web.Script.Services.ScriptService] [WebService(Namespace = "http://tempuri.org/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] public class BasicTypes : System.Web.Services.WebService { public BasicTypes() { //Uncomment the following line if using designed components //InitializeComponent(); } b 阅读全文

摘要： 1)When you download Ajax Control Toolkit,with the tookite intalled there a codesamples for you,so when you began to use it in your projects it is the best resources to you . 2)For China ,there are some blogs for you,Terry Lee is the best one. 3)You must resure your version of Ajax tookites and you must have some basic knowleges of Ajax and The tookies you have.ie. how the tookies to be configed and the means to use the controls. 阅读全文

摘要： 在使用Ajaxtookite中的UpdatePannel进行异步更新，运行时会出现如下的一个popup窗口，提示你如下信息，然后ok一下就没有什么了。解决办法列在下面： Invalid postback or callback argument. Event validation is enabled using in configuration or in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.R 阅读全文