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Remote Paging Help Needed!!
posted

HI,

 

I have tried to use the example provided in

https://ko.infragistics.com/community/forums/f/ignite-ui-for-javascript/77099/remote-paging/389378#389378

 

but it does not work. The grid shows 25 rows so I know that its hitting the customGridPaging element but it still only shows 1 page and a total of 25 records, when i set the customtotalrecordcount to 1000. And when i put a breakpoint in the

TransformDataSource method, it does not get hit 

 

Here is my front end grid:

@(Html.Infragistics().Grid<UsersViewModel>()
      .ID("grid1")
      .AutoGenerateColumns(false)
      .Columns(col =>
          {
              col.For(x => x.FullName).DataType("string").HeaderText("Name").Width("200");
              col.For(x => x.ManagerName).DataType("string").HeaderText("Manager").Width("150");
              col.For(x => x.ApprovingManagerName).DataType("string").HeaderText("Approving Manager").Width("150");
              col.For(x => x.Email).DataType("string").HeaderText("Email").Width("150");
              col.For(x => x.LastLoginDateString).DataType("string").HeaderText("Last Login").Width("150");
          })
      .Features(features =>
          {
              features.Selection().Mode(SelectionMode.Row);
              features.Filtering().Type(OpType.Local);
              features.Sorting().Type(OpType.Local);
              features.Features.Add(new CustomGridPaging()
              {
                  Type = OpType.Remote,
                  PageSize = 25,
                  CustomTotalRecordsCount =1000
              });
          })    
      .RowTemplate("<tr><td>${FullName}</td><td>${ManagerName}</td><td>${ApprovingManagerName}</td><td>${Email}</td><td>${LastLoginDateString}</td></tr>")    
      .DataSourceUrl(Url.Action("BindGrid"))
      .PrimaryKey("ID")
      .DataBind()
      .Render())

 Here is the customgridpaging file:

    public class CustomGridPaging : GridPaging
    {
        public int CustomTotalRecordsCount { getset; }
        public override void TransformDataSource(NameValueCollection queryString, IGridModel grid, out IQueryable queryable)
        {
            queryable = (IQueryable)grid.DataSource;
            this.TotalRecordsCount = this.CustomTotalRecordsCount;
        }
    }

Here is the controller action method:

        [GridDataSourceAction]
        public ActionResult BindGrid(int page, int pageSize) 
        {
           int startRow = (page - 1) * pageSize;
 
           PortalList<User> userData = SecurityService.GetUserList(startRow, pageSize);
            ViewBag.TotalRecords = userData.TotalRows;
            var userDataList = userData.List;
 
            Mapper.CreateMap<UserUsersViewModel>();
 
            var usersViewModel = Mapper.Map<List<User>, List<UsersViewModel>>(userDataList);
 
            return View("InfragTest", usersViewModel.AsQueryable());
        }
       public ActionResult InfragTest()
        {
            return View();
        }