ASP.NET AJAX入门系列（7）：使用ScriptManager控件

.                          < br  />                          < asp:Button  runat ="server"  ID ="Button1"  Text ="Submit Successful Async Postback"                             OnClick ="SuccessProcessClick_Handler"  OnClientClick ="ClearErrorState()"   />                          < asp:Button  runat ="server"  ID ="Button2"  Text ="Submit Async Postback With Error"                             OnClick ="ErrorProcessClick_Handler"  OnClientClick ="ClearErrorState()"   />                          < br  />                      </ asp:Panel >                  </ ContentTemplate >              </ asp:UpdatePanel >              < div  id ="AlertDiv" >                  < div  id ="AlertMessage" >                  </ div >                  < br  />                  < div  id ="AlertButtons"   >                      < input  id ="OKButton"  type ="button"  value ="OK"                              runat ="server"  onclick ="ClearErrorState()"   />                  </ div >             </ div >      </ form > </ body > </ html > 运行后时界面： 发生异常信息：   五．Services属性 Services用来管理对WebService的调用，通过<asp:ServiceReference>标签可以在Services中注册一个WebService，在运行时ScriptManager将为每一个ServiceReference对象生成一个客户端代理，<asp:ServiceReference>标签一个很重要的属性是Path，用来指定WebService的路径，如下所示： < asp:ScriptManager  ID ="SM1"  runat ="server" >      < Services >          < asp:ServiceReference  Path ="Service.asmx" />      </ Services > </ asp:ScriptManager >