JqGrid: paging int asp.net

https://www.codeproject.com/Articles/1118363/GridView-with-Server-Side-Filtering-Sorting-and-Pa

http://mvcgrid.net/download

https://github.com/joeharrison714/MVCGrid.Net

https://www.nuget.org/packages/PagedList.Mvc/

https://datatables.net/download/index

https://archive.codeplex.com/?p=jqmvcgrid

https://www.nuget.org/packages/jQuery.Grid/

https://github.com/atatanasov/gijgo

https://github.com/TroyGoode/PagedList

http://gijgo.com/grid

jadgrid.aspx

<!DOCTYPE html>

<!--HTML5 doctype-->

<html>

<head runat="server">

<meta charset="utf-8">

<meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=0">

<title>JQGrid 测试分页用</title>

    <link href="~/Styles/Site.css" rel="stylesheet" type="text/css" />

    <script src="JQGridReq/jquery-1.9.0.min.js" type="text/javascript"></script>

    <link href="JQGridReq/jquery-ui-1.9.2.custom.css" rel="stylesheet" type="text/css" />

    <script src="JQGridReq/jquery.jqGrid.js" type="text/javascript"></script>

    <link href="JQGridReq/ui.jqgrid.css" rel="stylesheet" type="text/css" />

    <script src="JQGridReq/grid.locale-cn.js" type="text/javascript"></script>

    <script type="text/javascript">

        $(function () {

            $("#UsersGrid").jqGrid({

                url: 'geovinHandler.ashx',

                datatype: 'json',

                height: 550,

                colNames: ['序號', '會員卡號', '會員姓名', '保證單號', '會員登錄賬號', '發佈時間'],

                colModel: [

                          { name: 'LotteryId', index: 'LotteryId', width: 100, sortable: true },

                          { name: 'LotteryVipNo', width: 100, sortable: true, editable: true },

                          { name: 'LotteryVipName', width: 100, sortable: true, editable: true },

                          { name: 'LotteryGuaranteeNumber', width: 100, sortable: true, editable: true },

                          { name: 'LotteryBranchAccount', width: 100, sortable: true, editable: true },

                          { name: 'LotteryAddTime',formatter: "date",ormatoptions: { srcformat: "ISO8601Long", newformat: "m/d/Y h:i A" }, width: 150, sortable: true }

                      ],

                rowNum: 50,

                mtype: 'GET',

                loadonce: true,

                rowList: [50, 100, 300],

                pager: '#UsersGridPager',

                sortname: 'LotteryId',

                viewrecords: true,

                sortorder: 'asc',

                editurl: 'geovinHandler.ashx',

                caption: '會員穫得中獎名單'

            });

            $("#UsersGrid").jqGrid('navGrid', '#UsersGridPager',

            {

                       edit: true,

                       add: true,

                       del: true,

                       search: true,

                       searchtext: "Search",

                       addtext: "Add",

                       edittext: "Edit",

                       deltext: "Delete"

                   },

                   {   //EDIT

                       //                       height: 300,

                       //                       width: 400,

                       //                       top: 50,

                       //                       left: 100,

                       //                       dataheight: 280,

                       closeOnEscape: true, //Closes the popup on pressing escape key

                       reloadAfterSubmit: true,

                       drag: true,

                       afterSubmit: function (response, postdata) {

                           if (response.responseText == "") {

                               $(this).jqGrid('setGridParam', { datatype: 'json' }).trigger('reloadGrid'); //Reloads the grid after edit

                               return [true, '']

                           }

                           else {

                               $(this).jqGrid('setGridParam', { datatype: 'json' }).trigger('reloadGrid'); //Reloads the grid after edit

                               return [false, response.responseText]//Captures and displays the response text on th Edit window

                           }

                       },

                       editData: {

                           EmpId: function () {

                               var sel_id = $('#UsersGrid').jqGrid('getGridParam', 'selrow');

                               var value = $('#UsersGrid').jqGrid('getCell', sel_id, 'LotteryId');

                               return value;

                           }

                       }

                   },

                   {

                       closeAfterAdd: true, //Closes the add window after add 如何自定義添加窗口?

                       afterSubmit: function (response, postdata) {

                           if (response.responseText == "") {

                               $(this).jqGrid('setGridParam', { datatype: 'json' }).trigger('reloadGrid')//Reloads the grid after Add

                               return [true, '']

                           }

                           else {

                               $(this).jqGrid('setGridParam', { datatype: 'json' }).trigger('reloadGrid')//Reloads the grid after Add

                               return [false, response.responseText]

                           }

                       }

                   },

                   {   //DELETE

                       closeOnEscape: true,

                       closeAfterDelete: true,

                       reloadAfterSubmit: true,

                       closeOnEscape: true,

                       drag: true,

                       afterSubmit: function (response, postdata) {

                           if (response.responseText == "") {

                               $("#UsersGrid").trigger("reloadGrid", [{ current: true}]);

                               return [false, response.responseText]

                           }

                           else {

                               $(this).jqGrid('setGridParam', { datatype: 'json' }).trigger('reloadGrid');

                               return [true, response.responseText]

                           }

                       },

                       delData: {

                           EmpId: function () {

                               var sel_id = $('#UsersGrid').jqGrid('getGridParam', 'selrow');

                               var value = $('#UsersGrid').jqGrid('getCell', sel_id, 'LotteryId');

                               return value;

                           }

                       }

                   },

                   {//SEARCH

                       closeOnEscape: true

                   });

        });  

      </script>

</head>

<body>

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

    <div>

  <table id="UsersGrid" cellpadding="0" cellspacing="0">

    </table>

     <div id="UsersGridPager">

        </div>

    </div>

    </form>

</body>

</html>

　　geovinHandler.ashx:

 /// <summary>

    /// $codebehindclassname$ 的摘要说明

    /// geovindu

    /// 20180128

    /// 涂聚文

    /// </summary>

    [WebService(Namespace = "http://tempuri.org/")]

    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]

    public class geovinHandler : IHttpHandler

    {

        DuMembershipLotteryBLL bll = new DuMembershipLotteryBLL();

        /// <summary>

        ///

        /// </summary>

        /// <param name="context"></param>

        public void ProcessRequest(HttpContext context)

        {

            HttpRequest request = context.Request;

            HttpResponse response = context.Response;

            System.Collections.Specialized.NameValueCollection forms = context.Request.Form;

            string strOperation = forms.Get("oper"); //

            response.Write(strOperation);

            string strResponse = string.Empty;

            string _search = request["_search"];

            string numberOfRows = request["rows"];

            string pageIndex = request["page"];

            string sortColumnName = request["sidx"];

            string sortOrderBy = request["sord"];

            int totalRecords;

            List<DuMembershipLotteryInfo> info = new List<DuMembershipLotteryInfo>();

            if (strOperation == null)

            {

                info = bll.SelectDuMembershipLotteryPaging(Convert.ToInt32(numberOfRows), Convert.ToInt32(pageIndex), sortColumnName, sortOrderBy, out totalRecords);

                string output = BuildJQGridResults(info, Convert.ToInt32(numberOfRows), Convert.ToInt32(pageIndex), Convert.ToInt32(totalRecords));

                response.Write(output);

            }

            else if (strOperation == "del")

            {

                string strEmpId = forms.Get("id").ToString();

                //DeleteEmployee(strEmpId);

                bool del = false;

                del = bll.DeleteDuMembershipLottery(Convert.ToInt32(strEmpId));

                if (del)

                {

                    strResponse = "删除成功";

                }

                context.Response.Write(strResponse);

            }

            else

            {

                string strOut = string.Empty;

                AddEdit(forms, info, out strOut);

                context.Response.Write(strOut);

            }

        }

        /// <summary>

        ///

        /// </summary>

        /// <param name="users"></param>

        /// <param name="numberOfRows"></param>

        /// <param name="pageIndex"></param>

        /// <param name="totalRecords"></param>

        /// <returns></returns>

        private string BuildJQGridResults(List<DuMembershipLotteryInfo> infos, int numberOfRows, int pageIndex, int totalRecords)

        {

            JQGridResults result = new JQGridResults();

            List<JQGridRow> rows = new List<JQGridRow>();

            foreach (DuMembershipLotteryInfo info in infos)

            {

                JQGridRow row = new JQGridRow();

                row.id = info.LotteryId;

                row.cell = new string[6];

                row.cell[0] = info.LotteryId.ToString();

                row.cell[1] = info.LotteryVipNo;

                row.cell[2] = info.LotteryVipName;

                row.cell[3] = info.LotteryGuaranteeNumber;

                row.cell[4] = info.LotteryBranchAccount;

                row.cell[5] = info.LotteryAddTime.ToString();

                rows.Add(row);

            }

            result.rows = rows.ToArray();

            result.page = pageIndex;

            result.total = totalRecords / numberOfRows;

            result.records = totalRecords;

            return new JavaScriptSerializer().Serialize(result);

        }

        /// <summary>

        /// 添加或修改操作

        /// </summary>

        /// <param name="forms"></param>

        /// <param name="collectionEmployee"></param>

        /// <param name="strResponse"></param>

        private void AddEdit(NameValueCollection forms, List<DuMembershipLotteryInfo> collectionInfo, out string strResponse)

        {

            string strOperation = forms.Get("oper");

            string strEmpId = string.Empty;

            DuMembershipLotteryInfo info = new DuMembershipLotteryInfo();

            info.LotteryVipNo = forms.Get("LotteryVipNo").ToString();

            info.LotteryVipName = forms.Get("LotteryVipName").ToString();

            info.LotteryGuaranteeNumber = forms.Get("LotteryGuaranteeNumber").ToString();

            info.LotteryBranchAccount = forms.Get("LotteryBranchAccount").ToString();

            info.LotteryAddTime = DateTime.Now;

            int saveok = 0;

            //string strdate = forms.Get("UpdateTime").ToString();

            if (strOperation == "add")

            {

                string result = "0";

                strEmpId = (Convert.ToInt32(result) + 1).ToString();

                saveok = bll.InsertDuMembershipLottery(info);

                if (saveok > 0)

                {

                    strResponse = "record successfully added添加成功";

                }

                else

                { strResponse = ""; }

            }

            else if (strOperation == "edit")

            {

                strEmpId = forms.Get("EmpId").ToString(); //获取修改ID

                info.LotteryId = Convert.ToInt32(strEmpId);

                saveok=bll.UpdateDuMembershipLottery(info);

                if (saveok > 0)

                {

                    strResponse = "record successfully updated修改成功";

                }

                else

                { strResponse = ""; }

            }

            else

            {

                strResponse = "";

            }

        }

        /// <summary>

        ///

        /// </summary>

        public bool IsReusable

        {

            get

            {

                return false;

            }

        }

    }

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