比如有個數據庫表，是存放EMAIL的，當數據庫表中的EMAIL一有的時候，就提示用戶，首先簡單寫一個WEBSERVICE如下
| [ScriptService] public class InboxService : System.Web.Services.WebService { [WebMethod] public int GetLatestNumberOfEmails() { int numberOfEmails = 0; using (SqlConnection conn = new SqlConnection(WebConfigurationManager.ConnectionStrings[0].ConnectionString)) { using (SqlCommand cmd = new SqlCommand("GetLatestNumberOfEmails", conn)) Chinaz_com { cmd.CommandType = CommandType.StoredProcedure; conn.Open(); numberOfEmails = (int)cmd.ExecuteScalar(); } } return numberOfEmails; } } |
這里要注意要在客戶端通過AJAX調用WEBSERICE，要加上[ScriptService]
2 在default.aspx中，首先加入一個updateprogress控件，如下
| <asp:UpdateProgress DynamicLayout="False" ID="UpdateProgress1" runat="server"> <ProgressTemplate> <div id="modal" class="modal"> <div class="modalTop"> <div class="modalTitle">My Inbox</div> <span style="CURSOR: hand" onclick="javascript:HidePopup();"> <img alt="Hide Popup" src="App_Themes/Default/images/close_vista.gif" border="0" /> </span> </div> <div class="modalBody"> You received <strong><span id="modalBody"></span></strong> Email(s). </div> </div> </ProgressTemplate> </asp:UpdateProgress> |
這里的關閉X按鈕，調用javascript的腳本，等陣再說
然后當然要加scriptmanager控件了，如下
| <asp:ScriptManager ID="ScriptManager1" runat="server"> <Services> <asp:ServiceReference Path="~/InboxService.asmx" /> </Services> </asp:ScriptManager> |
這里調用了我們剛才寫的webservice
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