ASPxCallback 使用

最新推荐文章于 2019-01-17 16:05:00 发布

转载最新推荐文章于 2019-01-17 16:05:00 发布 · 1.5k 阅读

文章标签：

#assembly #callback #javascript #server #function #webform

本文介绍了一个使用ASP.NET结合DevExpress控件实现动态加载内容的示例。通过客户端JavaScript调用服务器端方法来更新页面内容，展示了如何利用DevExpress的ASPxCallback组件实现异步请求。

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="jackCMS.Web.WebForm1" %>

<%@ Register assembly="DevExpress.Web.ASPxEditors.v7.3, Version=7.3.5.0, Culture=neutral, PublicKeyToken=9b171c9fd64da1d1" namespace="DevExpress.Web.ASPxEditors" tagprefix="dxe" %>
<%@ Register assembly="DevExpress.Web.v7.3, Version=7.3.5.0, Culture=neutral, PublicKeyToken=9b171c9fd64da1d1" namespace="DevExpress.Web.ASPxCallbackPanel" tagprefix="dxcp" %>
<%@ Register assembly="DevExpress.Web.v7.3, Version=7.3.5.0, Culture=neutral, PublicKeyToken=9b171c9fd64da1d1" namespace="DevExpress.Web.ASPxRoundPanel" tagprefix="dxrp" %>
<%@ Register assembly="DevExpress.Web.v7.3, Version=7.3.5.0, Culture=neutral, PublicKeyToken=9b171c9fd64da1d1" namespace="DevExpress.Web.ASPxCallback" tagprefix="dxcb" %>

<%@ Register assembly="DevExpress.Web.v7.3, Version=7.3.5.0, Culture=neutral, PublicKeyToken=9b171c9fd64da1d1" namespace="DevExpress.Web.ASPxPopupControl" tagprefix="dxpc" %>
<%@ Register assembly="System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" namespace="System.Web.UI" tagprefix="cc1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

    <br />
    <div id="Detail1">
        <a href="javascript:ShowDetails('1');">Show Detail</a>
    </div>
    <div id="Detail2">
        <a href="javascript:ShowDetails('2');">Show Detail</a>
    </div>
    <div id="Detail3">
        <a href="javascript:ShowDetails('3');">Show Detail</a>
    </div>

<dxcb:ASPxCallback ID="ASPxCallback1" runat="server" ClientInstanceName="Callback1" OnCallback="ASPxCallback1_Callback">
    <ClientSideEvents CallbackComplete="function(s, e) {
        var element = GetDetailsContainer(e.parameter);
        element.innerHTML = e.result;
    }" />
</dxcb:ASPxCallback>

    <dxe:ASPxButton ID="ASPxButton1" runat="server" AutoPostBack="False"
        Text="ASPxButton">
        <ClientSideEvents Click="function(s, e) {
OnSetRecommendClick();
}" />
    </dxe:ASPxButton>
    <br />

    </form>
</body>
</html>
===========================================================================

protected void ASPxCallback1_Callback(object source, DevExpress.Web.ASPxCallback.CallbackEventArgs e)
        {
            e.Result = DateTime.Now.ToString();
        }