DevExpress ASP.NET 使用经验谈（9）-Dev控件客户端事件 ClientSideEvents

2022-11-15 13:07:36

上一节，已经介绍了ASPxGridView的自定义列和基本事件，本节接着将介绍Dev控件的客户端事件模型。

在上节示例基础上，我们增加一行菜单，使用Dev的ASPxMenu来实现，如下图所示。

图一添加菜单的界面

增加菜单的代码如下：

<dx:ASPxMenu ID="ASPxMenu1" runat="server" RenderMode="Lightweight" Width="100%" ItemAutoWidth="False" Theme="Aqua">

                <Border BorderWidth="0px" />

                <BorderTop BorderWidth="1px" />

                <Items>

                    <dx:MenuItem Text="新增" Image-Url="~/Assets/images/menu/Add_16x16.png" Name="new"></dx:MenuItem>

                    <dx:MenuItem Text="编辑" Image-Url="~/Assets/images/menu/Edit_16x16.png" Name="edit"></dx:MenuItem>

                    <dx:MenuItem Text="删除" Image-Url="~/Assets/images/menu/Delete_16x16.png" Name="delete"></dx:MenuItem>

                    <dx:MenuItem Text="刷新" Image-Url="~/Assets/images/menu/Refresh_16x16.png" Name="refresh"></dx:MenuItem>

                </Items>

</dx:ASPxMenu>

DevExpress ASP.NET的控件，如ASPxButton，ASPxLabel，ASPxMenu、ASPxPopupMenu、ASPxGridView、

ASPxTreeList、ASPxPopupControl等，它们都有一个统一的ClientSideEvents事件模型，提供控件的客户端事件支持。

此例中的ASPxMenu，如何来增加ClientSideEvents客户端事件操作呢，代码如下：

<dx:ASPxMenu ID="ASPxMenu1" runat="server" RenderMode="Lightweight" Width="100%" ItemAutoWidth="False" Theme="Aqua">

                <Border BorderWidth="0px" />

                <BorderTop BorderWidth="1px" />

                <Items>

                    <dx:MenuItem Text="新增" Image-Url="~/Assets/images/menu/Add_16x16.png" Name="new"></dx:MenuItem>

                    <dx:MenuItem Text="编辑" Image-Url="~/Assets/images/menu/Edit_16x16.png" Name="edit"></dx:MenuItem>

                    <dx:MenuItem Text="删除" Image-Url="~/Assets/images/menu/Delete_16x16.png" Name="delete"></dx:MenuItem>

                    <dx:MenuItem Text="刷新" Image-Url="~/Assets/images/menu/Refresh_16x16.png" Name="refresh"></dx:MenuItem>

                </Items>

                <ClientSideEvents ItemClick="function(s, e) {MenuItemClick(s,e);}" />

 </dx:ASPxMenu>

同时定义了Javascript方法MenuItemClick，来响应菜单项的Click事件操作：

function MenuItemClick(s, e) {

            //通过e.item.name来区别由Menu的哪一项来触发

            switch (e.item.name) {

                case "new":

                    //新增操作

                    break;

                case "edit":

                    //编辑操作

                    break;

                case "delete":

                    //删除操作

                    break;

                case "refresh":

                    //刷新操作

                    break;

            }

}

客户端菜单项Click事件的骨架有了，如果来实现对ASPxGridView控件的上述操作呢？

此时，我们需要了解Dev控件的另外一个重要属性：ClientInstanceName，这个属性，为Dev的服务端控件提供了一个客户端的name，

定义客户端name后，ASPxGridView服务端控件，可以在客户端以客户端对象身份来进行操作和访问。

修改代码，为ASPxGridView1增加一个客户端名称："grid"

<dx:ASPxGridView ID="ASPxGridView1" runat="server" AutoGenerateColumns="False" Width="100%"

                OnRowInserting="ASPxGridView1_RowInserting"   ClientInstanceName="grid"

                OnRowUpdating="ASPxGridView1_RowUpdating"

                DataSourceID="XpoDataSource1" KeyFieldName="UserID" Theme="Aqua">

......

</dx:ASPxGridView>

修改MenuItemClick方法，增加【新增】、【编辑】操作代码：

function MenuItemClick(s, e) {

            //通过e.item.name来区别由Menu的哪一项来触发

            switch (e.item.name) {

                case "new":

                    //新增操作

                    grid.AddNewRow();

                    break;

                case "edit":

                    var index = grid.GetFocusedRowIndex();

                    if (index != -1) {

                        grid.StartEditRow(index);

                    } else {

                        alert('请选择要编辑的记录！');

                    }

                    //编辑操作

                    break;

                case "delete":

                    //删除操作

                    break;

                case "refresh":

                    //刷新操作

                    break;

            }

 }

点击菜单项的【新增】，显示新增界面如下：

图二新增界面

点击【编辑】，显示界面如下：

　　　　　　　　　　　　　　　　　　　　　　图三编辑界面

注意：【新增】、【编辑】操作，分别使用了ASPxGridView客户端对象的方法：

新增行： grid.AddNewRow();

获取行索引：grid.GetFocusedRowIndex();

编辑行： grid.StartEditRow(index);

接下来，如何实现【删除】和【刷新】操作呢？这将使用Dev控件强大的Callback事件回调机制，通过客户端的PerformCallback

与服务端的CustomCallback事件回调结合，服务端的回调方法对客户端事件作出响应。

首先，我们增加服务端的Callback事件代码，选择OnCustomCallback，点击新增事件，后台代码自动完成对事件的添加：

添加事件如下：

生成的回调方法：

 protected void ASPxGridView1_CustomCallback(object sender, ASPxGridViewCustomCallbackEventArgs e)

    {

    }

接着，继续修改MenuItemClick方法，增加对Delete事件代码：

 function MenuItemClick(s, e) {

            //通过e.item.name来区别由Menu的哪一项来触发

            switch (e.item.name) {

                case "new":

                    //新增操作

                    grid.AddNewRow();

                    break;

                case "edit":

                    var index = grid.GetFocusedRowIndex();

                    if (index != -1) {

                        grid.StartEditRow(index);

                    } else {

                        alert('请选择要编辑的记录！');

                    }

                    //编辑操作

                    break;

                case "delete":

                    var key = grid.GetRowKey(grid.GetFocusedRowIndex());

                    if (key != null && key != "") {

                        if (window.confirm('你确定要删除这条记录吗？')) {

                            grid.PerformCallback("delete@" + key);

                        }

                    }

                    //删除操作

                    break;

                case "refresh":

                    //刷新操作

                    break;

            }

}

继续修改服务端回调方法：

 protected void ASPxGridView1_CustomCallback(object sender, ASPxGridViewCustomCallbackEventArgs e)

    {

        string[] strParames = e.Parameters.ToString().Split(new char[] { '@' });

        switch (strParames[0])

        {

            case "delete":

                CriteriaOperator criteria = CriteriaOperator.Parse("[UserID]='" + strParames[1] + "'");

                Users obj = session.FindObject<Users>(criteria);

                obj.Delete();

                ASPxGridView1.DataBind();

                break;

        }

}

完成上述修改后，点击【删除】按钮，弹出删除确认对话框，点击”确定“，记录将被删除，ASPxGridView数据被刷新。

图四点击删除，弹出确认对话框，并重新绑定数据

同理，我们实现【刷新】操作如下：

  case "refresh":

          grid.PerformCallback("refresh@");

         //刷新操作

          break;

继续修改回调方法：

  protected void ASPxGridView1_CustomCallback(object sender, ASPxGridViewCustomCallbackEventArgs e)

    {

        string[] strParames = e.Parameters.ToString().Split(new char[] { '@' });

        switch (strParames[0])

        {

            case "delete":

                CriteriaOperator criteria = CriteriaOperator.Parse("[UserID]='" + strParames[1] + "'");

                Users obj = session.FindObject<Users>(criteria);

                obj.Delete();

                ASPxGridView1.DataBind();

                break;

            case "refresh":

                ASPxGridView1.DataBind();

                break;

        }

    }

此时点击【刷新】按钮，数据将被刷新，如果效果不明显，可以手工修改数据库中的数据，以验证刷新的效果。

注意：【删除】操作，使用了ASPxGridView客户端对象的方法：

获取行主键：grid.GetRowKey(grid.GetFocusedRowIndex());

为了使【删除】、【刷新】操作在客户端能得到反馈，还可以在ASPxGridView的ClientSideEvents事件中增加：EndCallback，

修改服务端【删除】、【刷新】回调方法，增加如下代码：

ASPxGridView1.JSProperties.Remove("cpMsg");
ASPxGridView1.JSProperties.Add("cpMsg", "删除成功");

注意：按Dev控件约定，此处添加JSProperties的key，只能以 cp 为前缀。

 protected void ASPxGridView1_CustomCallback(object sender, ASPxGridViewCustomCallbackEventArgs e)

    {

        string[] strParames = e.Parameters.ToString().Split(new char[] { '@' });

        switch (strParames[0])

        {

            case "delete":

                CriteriaOperator criteria = CriteriaOperator.Parse("[UserID]='" + strParames[1] + "'");

                Users obj = session.FindObject<Users>(criteria);

                obj.Delete();

                ASPxGridView1.DataBind();

                ASPxGridView1.JSProperties.Remove("cpMsg");

                ASPxGridView1.JSProperties.Add("cpMsg", "删除成功");

                break;

            case "refresh":

                ASPxGridView1.DataBind();

                ASPxGridView1.JSProperties.Remove("cpMsg");

                ASPxGridView1.JSProperties.Add("cpMsg", "刷新成功");

                break;

        }

    }

客户端响应EndCallback方法：

function EndCallback(s, e) {

            if (s.cpMsg) {

                alert(s.cpMsg);

                s.cpMsg = null;

            }

}

此时，再进行【删除】、【刷新】按钮完成操作时，会弹出提醒框。

图五 EndCallback 刷新返回消息

图六 EndCallback 删除返回消息

在此基础上，通过对EndCallback返回的信息进行处理，可以扩展更友好的提醒。

除了CustomCallback，还有CustomDataCallback、CustomButtonCallback，使用方法类似，细节稍有不同。

CustomDataCallback：可用于前后台的数据传输和回调。

CustomButtonCallback：可以针对特定服务端Button进行回调。

注意：对于ASPxTreeList控件，我们将使用到的客户端方法。

新增树结点： tree.StartEditNewNode();

获取树节点的主键：var key = tree.GetFocusedNodeKey();

在下一节中，将介绍ASPxTreeList的使用，到时再对CustomDataCallback，CustomButtonCallback的使用进行

详细描述。

最后附上完整代码。

前台代码：

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<%@ Register Assembly="DevExpress.Web.v12.2, Version=12.2.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a" Namespace="DevExpress.Web.ASPxMenu" TagPrefix="dx" %>

<%@ Register Assembly="DevExpress.Xpo.v12.2.Web, Version=12.2.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a" Namespace="DevExpress.Xpo" TagPrefix="dx" %>

<%@ Register Assembly="DevExpress.Web.v12.2, Version=12.2.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a" Namespace="DevExpress.Web.ASPxGridView" TagPrefix="dx" %>

<%@ Register Assembly="DevExpress.Web.v12.2, Version=12.2.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a" Namespace="DevExpress.Web.ASPxEditors" TagPrefix="dx" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

    <title></title>

    <script type="text/javascript">

        function MenuItemClick(s, e) {

            //通过e.item.name来区别由Menu的哪一项来触发

            switch (e.item.name) {

                case "new":

                    //新增操作

                    grid.AddNewRow();

                    break;

                case "edit":

                    var index = grid.GetFocusedRowIndex();

                    if (index != -1) {

                        grid.StartEditRow(index);

                    } else {

                        alert('请选择要编辑的记录！');

                    }

                    //编辑操作

                    break;

                case "delete":

                    var key = grid.GetRowKey(grid.GetFocusedRowIndex());

                    if (key != null && key != "") {

                        if (window.confirm('你确定要删除这条记录吗？')) {

                            grid.PerformCallback("delete@" + key);

                        }

                    }

                    //删除操作

                    break;

                case "refresh":

                    grid.PerformCallback("refresh@");

                    //刷新操作

                    break;

            }

        }

        function EndCallback(s, e) {

            if (s.cpMsg) {

                alert(s.cpMsg);

                s.cpMsg = null;

            }

        }

    </script>

</head>

<body>

    <form id="form1" runat="server">

        <div>

            <p>

                <h1>Dev控件的客户端事件模型</h1>

            </p>

            <dx:ASPxMenu ID="ASPxMenu1" runat="server" RenderMode="Lightweight" Width="100%" ItemAutoWidth="False" Theme="Aqua">

                <Border BorderWidth="0px" />

                <BorderTop BorderWidth="1px" />

                <Items>

                    <dx:MenuItem Text="新增" Image-Url="~/Assets/images/menu/Add_16x16.png" Name="new"></dx:MenuItem>

                    <dx:MenuItem Text="编辑" Image-Url="~/Assets/images/menu/Edit_16x16.png" Name="edit"></dx:MenuItem>

                    <dx:MenuItem Text="删除" Image-Url="~/Assets/images/menu/Delete_16x16.png" Name="delete"></dx:MenuItem>

                    <dx:MenuItem Text="刷新" Image-Url="~/Assets/images/menu/Refresh_16x16.png" Name="refresh"></dx:MenuItem>

                </Items>

                <ClientSideEvents ItemClick="function(s, e) {MenuItemClick(s,e);}" />

            </dx:ASPxMenu>

            <dx:ASPxGridView ID="ASPxGridView1" runat="server" AutoGenerateColumns="False" Width="100%"

                OnRowInserting="ASPxGridView1_RowInserting" ClientInstanceName="grid"

                OnRowUpdating="ASPxGridView1_RowUpdating" OnCustomCallback="ASPxGridView1_CustomCallback"

                DataSourceID="XpoDataSource1" KeyFieldName="UserID" Theme="Aqua">

                <ClientSideEvents EndCallback="EndCallback" />

                <Columns>

                    <dx:GridViewCommandColumn VisibleIndex="0" ButtonType="Image" Width="80px">

                        <EditButton Visible="true">

                            <Image ToolTip="编辑" Url="Assets/images/edit.png"></Image>

                        </EditButton>

                        <NewButton Visible="true">

                            <Image ToolTip="新增" Url="Assets/images/new.png"></Image>

                        </NewButton>

                        <DeleteButton Visible="true">

                            <Image ToolTip="删除" Url="Assets/images/delete.png"></Image>

                        </DeleteButton>

                        <UpdateButton Visible="true">

                            <Image ToolTip="保存" Url="Assets/images/save.gif"></Image>

                        </UpdateButton>

                        <CancelButton Visible="true">

                            <Image ToolTip="取消" Url="Assets/images/cancel.gif"></Image>

                        </CancelButton>

                    </dx:GridViewCommandColumn>

                    <dx:GridViewDataTextColumn FieldName="UserID" ReadOnly="True" VisibleIndex="1" Visible="false">

                    </dx:GridViewDataTextColumn>

                    <dx:GridViewDataTextColumn FieldName="UserName" VisibleIndex="2" Caption="用户姓名">

                        <EditFormSettings VisibleIndex="2" Visible="True" Caption="用户姓名" />

                    </dx:GridViewDataTextColumn>

                    <dx:GridViewDataTextColumn FieldName="FirstName" VisibleIndex="3" Caption="名" Width="80px">

                        <EditFormSettings VisibleIndex="3" Visible="True" Caption="名" />

                        <CellStyle HorizontalAlign="Center" />

                        <HeaderStyle HorizontalAlign="Center" />

                    </dx:GridViewDataTextColumn>

                    <dx:GridViewDataTextColumn FieldName="LastName" VisibleIndex="4" Caption="姓" Width="80px">

                        <EditFormSettings VisibleIndex="4" Visible="True" Caption="姓" />

                        <CellStyle HorizontalAlign="Center" />

                        <HeaderStyle HorizontalAlign="Center" />

                    </dx:GridViewDataTextColumn>

                    <dx:GridViewDataTextColumn FieldName="MiddleName" VisibleIndex="5" Caption="教名" Width="100px">

                        <EditFormSettings VisibleIndex="5" Visible="False" Caption="教名" />

                        <CellStyle HorizontalAlign="Center" />

                        <HeaderStyle HorizontalAlign="Center" />

                    </dx:GridViewDataTextColumn>

                    <dx:GridViewDataComboBoxColumn FieldName="Gender" VisibleIndex="6" Caption="性别" Width="80px">

                        <EditFormSettings VisibleIndex="4" Visible="True" Caption="性别" />

                        <CellStyle HorizontalAlign="Center" />

                        <HeaderStyle HorizontalAlign="Center" />

                        <PropertiesComboBox>

                            <Items>

                                <dx:ListEditItem Text="男" Value="男" />

                                <dx:ListEditItem Text="女" Value="女" />

                            </Items>

                        </PropertiesComboBox>

                    </dx:GridViewDataComboBoxColumn>

                    <dx:GridViewDataTextColumn FieldName="Hobbies" VisibleIndex="7" Caption="兴趣爱好" Width="100px">

                        <EditFormSettings VisibleIndex="5" Visible="True" Caption="兴趣爱好" />

                        <CellStyle HorizontalAlign="Center" />

                        <HeaderStyle HorizontalAlign="Center" />

                        <EditItemTemplate>

                            <table border="0">

                                <tr>

                                    <td>

                                        <dx:ASPxCheckBox ID="ASPxCheckBox_H1" runat="server" ClientInstanceName="cb_hob1" Text="阅读" Layout="Flow" OnInit="ASPxCheckBox_Hobbies_Init">

                                        </dx:ASPxCheckBox>

                                    </td>

                                    <td> </td>

                                    <td>

                                        <dx:ASPxCheckBox ID="ASPxCheckBox_H2" ClientInstanceName="cb_hob2" runat="server" Text="思考" Layout="Flow" OnInit="ASPxCheckBox_Hobbies_Init">

                                        </dx:ASPxCheckBox>

                                    </td>

                                    <td> </td>

                                    <td>

                                        <dx:ASPxCheckBox ID="ASPxCheckBox_H3" runat="server" ClientInstanceName="cb_hob3" Text="运动" Layout="Flow" OnInit="ASPxCheckBox_Hobbies_Init">

                                        </dx:ASPxCheckBox>

                                    </td>

                                    <td> </td>

                                    <td>

                                        <dx:ASPxCheckBox ID="ASPxCheckBox_H4" runat="server" ClientInstanceName="cb_hob4" Text="社交" Layout="Flow" OnInit="ASPxCheckBox_Hobbies_Init">

                                        </dx:ASPxCheckBox>

                                    </td>

                                </tr>

                            </table>

                        </EditItemTemplate>

                    </dx:GridViewDataTextColumn>

                    <dx:GridViewDataTextColumn FieldName="EmailID" VisibleIndex="6" Caption="邮箱" Width="200px">

                        <EditFormSettings VisibleIndex="6" Visible="True" Caption="邮箱" ColumnSpan="2" />

                    </dx:GridViewDataTextColumn>

                    <dx:GridViewDataDateColumn FieldName="CreateTime" VisibleIndex="7" Caption="创建时间" Width="100px">

                        <EditFormSettings VisibleIndex="5" Visible="False" Caption="创建时间" />

                        <CellStyle HorizontalAlign="Center" />

                        <HeaderStyle HorizontalAlign="Center" />

                    </dx:GridViewDataDateColumn>

                    <dx:GridViewDataDateColumn FieldName="ModifyTime" VisibleIndex="7" Caption="修改时间" Width="100px">

                        <EditFormSettings VisibleIndex="5" Visible="False" Caption="修改时间" />

                        <CellStyle HorizontalAlign="Center" />

                        <HeaderStyle HorizontalAlign="Center" />

                    </dx:GridViewDataDateColumn>

                </Columns>

                <SettingsBehavior ConfirmDelete="true" AllowFocusedRow="true" AllowSelectSingleRowOnly="true" AllowSelectByRowClick="true" />

                <SettingsEditing EditFormColumnCount="2" />

                <Settings ShowFooter="True" />

                <SettingsText EmptyDataRow="无记录" ConfirmDelete="确定删除吗？" />

                <SettingsPager Mode="ShowPager" PageSize="3" />

            </dx:ASPxGridView>

        </div>

        <dx:XpoDataSource ID="XpoDataSource1" runat="server" TypeName="XPOModel.DemoDB.Users"></dx:XpoDataSource>

    </form>

</body>

</html>

后台代码：

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Configuration;

using DevExpress.Xpo;

using DevExpress.Xpo.DB;

using DevExpress.Web.ASPxGridView;

using DevExpress.Web.ASPxEditors;

using System.Collections;

using DevExpress.Data.Filtering;

using XPOModel.DemoDB;

public partial class _Default : System.Web.UI.Page

{

    DevExpress.Xpo.Session session;

    protected void Page_Init(object sender, EventArgs e)

    {

        string provider = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;//获取数据库连接

        IDataLayer datalayer = new SimpleDataLayer(XpoDefault.GetConnectionProvider(provider, AutoCreateOption.DatabaseAndSchema));//建立数据层XPO独有的

        session = new DevExpress.Xpo.Session(datalayer); //将数据层和会话绑定

        XpoDataSource1.Session = session;

    }

    protected void Page_Load(object sender, EventArgs e)

    {

    }

    protected void ASPxCheckBox_Hobbies_Init(object sender, EventArgs e)

    {

        ASPxCheckBox cblHb = sender as ASPxCheckBox;

        GridViewEditItemTemplateContainer container = cblHb.NamingContainer as GridViewEditItemTemplateContainer;

        string strHobbies = string.Empty;

        if (DataBinder.Eval(container.DataItem, "Hobbies") != null)

            strHobbies = DataBinder.Eval(container.DataItem, "Hobbies").ToString().Trim();

        if (strHobbies.Contains(cblHb.Text))

        {

            cblHb.Checked = true;

        }

    }

    protected void ASPxGridView1_RowInserting(object sender, DevExpress.Web.Data.ASPxDataInsertingEventArgs e)

    {

        //在RowInserting时，将当前时间赋值给“创建时间列”CreateTime赋值

        e.NewValues["CreateTime"] = DateTime.Now;

        GridViewDataColumn columnHobbies = ASPxGridView1.Columns["Hobbies"] as GridViewDataColumn; //取出GridView的Column

        //通过ASPxGridView1.FindEditRowCellTemplateControl找出自定义的CheckBox

        ASPxCheckBox cbH1 = (ASPxGridView1.FindEditRowCellTemplateControl(columnHobbies, "ASPxCheckBox_H1") as ASPxCheckBox);

        ASPxCheckBox cbH2 = (ASPxGridView1.FindEditRowCellTemplateControl(columnHobbies, "ASPxCheckBox_H2") as ASPxCheckBox);

        ASPxCheckBox cbH3 = (ASPxGridView1.FindEditRowCellTemplateControl(columnHobbies, "ASPxCheckBox_H3") as ASPxCheckBox);

        ASPxCheckBox cbH4 = (ASPxGridView1.FindEditRowCellTemplateControl(columnHobbies, "ASPxCheckBox_H4") as ASPxCheckBox);

        ArrayList listHobbies = new ArrayList();

        if (cbH1.Checked == true)

        {

            listHobbies.Add(cbH1.Text);

        }

        if (cbH2.Checked == true)

        {

            listHobbies.Add(cbH2.Text);

        }

        if (cbH3.Checked == true)

        {

            listHobbies.Add(cbH3.Text);

        }

        if (cbH4.Checked == true)

        {

            listHobbies.Add(cbH4.Text);

        }

        //通过 e.NewValues["Hobbies"]赋值

        e.NewValues["Hobbies"] = string.Join(",", listHobbies.ToArray());

    }

    protected void ASPxGridView1_RowUpdating(object sender, DevExpress.Web.Data.ASPxDataUpdatingEventArgs e)

    {

        //在RowUpdating时，将当前时间赋值给“创建时间列”ModifyTime赋值

        e.NewValues["ModifyTime"] = DateTime.Now;

        GridViewDataColumn columnHobbies = ASPxGridView1.Columns["Hobbies"] as GridViewDataColumn;//取出GridView的Column

        //通过ASPxGridView1.FindEditRowCellTemplateControl找出自定义的CheckBox

        ASPxCheckBox cbH1 = (ASPxGridView1.FindEditRowCellTemplateControl(columnHobbies, "ASPxCheckBox_H1") as ASPxCheckBox);

        ASPxCheckBox cbH2 = (ASPxGridView1.FindEditRowCellTemplateControl(columnHobbies, "ASPxCheckBox_H2") as ASPxCheckBox);

        ASPxCheckBox cbH3 = (ASPxGridView1.FindEditRowCellTemplateControl(columnHobbies, "ASPxCheckBox_H3") as ASPxCheckBox);

        ASPxCheckBox cbH4 = (ASPxGridView1.FindEditRowCellTemplateControl(columnHobbies, "ASPxCheckBox_H4") as ASPxCheckBox);

        ArrayList listHobbies = new ArrayList();

        if (cbH1.Checked == true)

        {

            listHobbies.Add(cbH1.Text);

        }

        if (cbH2.Checked == true)

        {

            listHobbies.Add(cbH2.Text);

        }

        if (cbH3.Checked == true)

        {

            listHobbies.Add(cbH3.Text);

        }

        if (cbH4.Checked == true)

        {

            listHobbies.Add(cbH4.Text);

        }

        //通过 e.NewValues["Hobbies"]赋值

        e.NewValues["Hobbies"] = string.Join(",", listHobbies.ToArray());

    }

    protected void ASPxGridView1_CustomCallback(object sender, ASPxGridViewCustomCallbackEventArgs e)

    {

        string[] strParames = e.Parameters.ToString().Split(new char[] { '@' });

        switch (strParames[0])

        {

            case "delete":

                CriteriaOperator criteria = CriteriaOperator.Parse("[UserID]='" + strParames[1] + "'");

                Users obj = session.FindObject<Users>(criteria);

                obj.Delete();

                ASPxGridView1.DataBind();

                ASPxGridView1.JSProperties.Remove("cpMsg");

                ASPxGridView1.JSProperties.Add("cpMsg", "删除成功");

                break;

            case "refresh":

                ASPxGridView1.DataBind();

                ASPxGridView1.JSProperties.Remove("cpMsg");

                ASPxGridView1.JSProperties.Add("cpMsg", "刷新成功");

                break;

        }

    }

}

完整源码下载：http://pan.baidu.com/s/1kTj3QDL

博文作者：挪威森林（Coding of life）

博文出处：http://www.cnblogs.com/allenlf/

主要研究：Web开发框架、ORM、WCF、医疗行业软件开发（HRP、EMR、CP、OA）

版权归挪威森林和博客园所有，转载请注明出处，谢谢合作，如有错误或不当之处，欢迎指正。

码农公寓

相关文章