Questions on UI for ASP.NET MVC Forum

1 answer

123 views

Deserialisation issues for MVC ComboBox Server Control

Hello,

I have been unable to solve this issue for the past 2 days and now need some help.

I am using an Ajax request, to load a partial view, containing two kendo server components bound to my model.

The JavaScript:

01.$.ajax({

02. type: 'POST',

03. url: '/JobEnquiry/GetData',

04. data: {

05. periodNo: selectedPNo

06. },

07. beforeSend: function () { /*alert("before send");*/ },

08. success: function (data) {

09. $("#JobEnquiryContentArea").html(data);

10. $("#JobEnquiryContentArea").show();

11. },

12. error: function (jqXHR, textStatus, errorThrown) {

13. //$('#mnuNav').html(jqXHR.responseText);

14. LSViewer.ShowErrorDialog(jqXHR.status, jqXHR.statusText, jqXHR.responseText, errorThrown);

15. },

16. complete: function () { /*alert("complete");*/ }

17.});

The Model:


01.public class JobEnquiryDetailsModel
02.{
03.    public IEnumerable<JobListModel> JobList { get; set; }
04.    public string Message { get; set; }
05.    public string Branch { get; set; }
06.    public IEnumerable<SelectListItem> jobSelection { get; set; }
07.    [DisplayName("Period")]
08.    public string selectedPeriod { get; set; }
09.    [DisplayName("Job No")]
10.    public string selectedJob { get; set; }
11. 
12.}

and for completion The JobListModel:


01.public class JobListModel
02.{
03.    public string JobNumber { get; set; }
04.    public string ClientReference { get; set; }
05.    public string JobName { get; set; }
06.    public DateTime Opened { get; set; }
07.    public string ProjectManager { get; set; }
08.    public string JobType { get; set; }
09.    public decimal OriginalValue { get; set; }
10.    public decimal BudgetCosts { get; set; }
11.    public decimal BudgetProfit { get; set; }
12.    public decimal ContractValue { get; set; }
13.    public decimal ForecastValue { get; set; }
14.    public decimal CostToComplete { get; set; }
15.    public string WorkOrder { get; set; }
16.    public string Branch { get; set; }
17.    public string ClosedFlag { get; set; }
18.    public string CreatedUser { get; set; }
19.    public string SiteCode { get; set; }
20.    public string ClientName { get; set; }
21.    public string ClientCode { get; set; }
22.}

The Controller method:


01.[HttpPost]
02.public ActionResult GetData(string periodNo)
03.{
04.    JobEnquiryDetailsModel myModel = new JobEnquiryDetailsModel();
05.    DownloadJobData(periodNo);
06.    List<JobListModel> jobsList = MapJobJistData();
07. 
08.    myModel.Branch = "";
09.    myModel.JobList = jobsList;
10.    myModel.Message = "I Fetched some data....";
11.    myModel.selectedJob = "";
12.    myModel.selectedPeriod = periodNo;
13.    PartialViewResult mr;
14.    return PartialView("_JobEnquiryDetails",myModel);
15.}

And lastly my partial View:


01.@model Models.JobEnquiryDetailsModel
02. 
03.<div id="displayParameters" class="row clearfix">
04.    <div class="col-lg-3">
05.        @(Html.LabelFor(model => model.Branch))
06.        @(Html.Kendo().TextBoxFor(model => model.Branch)
07.            .HtmlAttributes(new { style = "width: 80px;" })
08.        )
09.    </div>
10.    <div class="col-lg-3">
11.    @(Html.LabelFor(model => model.selectedJob))
12.    @(Html.Kendo().ComboBoxFor(model => model.selectedJob)
13.                .DataTextField("JobNumber")
14.                .DataValueField("JobNumber")
15.                .BindTo(Model.JobList)
16.                .HtmlAttributes(new { style = "width: 120px;" })
17.    )
18.    </div>
19.    <div class="col-lg-6">
20.    </div>
21.</div>
22.<div id="enquiryContent" class="row clearfix">
23.    <div class="col-lg-5 pull-left">
24.        LEFT HAND SIDE
25.    </div>
26.    <div class="col-lg-7 pull-right">
27.        RIGHT HAND SIDE
28.    </div>
29.</div>

K. Now all that is in, the error is:


1.System.InvalidOperationException: Error during serialization or deserialization using the JSON JavaScriptSerializer. The length of the string exceeds the value set on the maxJsonLength property.

I have read numerous pieces of help on JsonSerialisers, however after trying, none are helping in my particular case.

I suspect it is because I am returning a partial view which is not json, then the kendo server object is doing something under the hood to the model data and boom.

The List I am Binding to is only 17000 odd items, which while large isn't obscene.

Really running out of ideas.

Any assistance appreciated.

General Discussions

answered on 14 Mar 2016

1 answer

221 views

Grid with bound Slider bars

Hello,

I'm trying to develop an application with 3 columns in one Kendo grid, all in ASP.Net MVC. I want 1 column that's just a string, one column that's a slider bar bound to a property in my model, and then a textbox that's uneditable that displays the current value of the slider bar. Since the slider bar would be bound to a property in the model, I think I can just bind this textbox to the same property and make it uneditable.

I'm able to do all of this outside of a grid, however I can't figure out how to get the slider bar to function correctly in a grid. Any help or advice on how to do this would be much appreciated.

Thanks in advance!

Grid

answered on 14 Mar 2016

1 answer

51 views

How to show indicator if Scheduler Event is off screen / out of view frame?

Is there any way to display a visual indicator to inform the user that there are event(s) currently on the scheduler table, but out of the visible frame?

Example, your Scheduler table is only high enough to display a few hours range and is scrolled to the top. You may have events at the bottom of the scrollable table that hidden because the user did not scroll down.

I was hoping there is an out of the box method before I go and write something custom.

Regards,

Rob

Scheduler

answered on 14 Mar 2016

3 answers

129 views

Two Grids and SignalR problem

I have tryed to get two (or more) grids to work with SignalR but failed.

When I change a post it always add to one of the grids. (with no data, different values)

I have different methods for update. eg update1 and updatex. I have also tryed different hubs.

Is this a limitation or is there a way to get this to work.

With one grid it works very nice.

Thanks in advance.

Grid

answered on 12 Mar 2016

1 answer

154 views

Dynamically change Chart Data

I want to change chart data based on selection from TreeView or other controls. I have tried to search all solutions on internet, including here...the following seems the right approach but not working for me...

First, I get selected ID from TreeView, then try to use it as parameter to call an Action by URL..

Anything wrong here? Thanks

</script>

I have an Action from Blotter controller as below

public ActionResult getUserViewHist(int factorID_)

Chart

answered on 11 Mar 2016

4 answers

95 views

Grid Options Template/Control/Widget

Hello,

I apologize for the hash of a question this is. I am looking for a way to save the development team some time in a site heavy with kendo grid use. For example we have a grid defined like this:

01.@(Html.Kendo().Grid(Model)

02. .Name("grid")

03. .Columns(columns =>

04. {

05. columns.Bound(e => e.StyleName).Filterable(ftb => ftb.Multi(true));

06. columns.Bound(e => e.Collection).Filterable(ftb => ftb.Multi(true));

07. columns.Bound(e => e.CommodityDesign).Filterable(ftb => ftb.Multi(true));

08. columns.Bound(e => e.Decoration).Filterable(ftb => ftb.Multi(true));

09. columns.Bound(e => e.StyleId).Filterable(ftb => ftb.Multi(true));

10. })

11. .HtmlAttributes(new { style = "width: 80%;" })

12. .DataSource(data => data.Ajax().Model(mdl => mdl.Id(p => p.StyleId) ))

13. .Scrollable()

14. .Groupable()

15. .Sortable()

16. .Editable()

17. .Filterable()

18. .Selectable()

19. .Pageable(pageable => pageable

20. .Refresh(true)

21. .PageSizes(true)

22. .ButtonCount(5))

23. )

The client has accepted this layout and now states they want every grid this way. We certainly could go through and manually crud every grid to match this pattern. I was just trying to think of a way we could use the above as a "template" leaving us just the relevant deltas to configure. For example this pseudo code below:

1.@(Html.CustomKendoGrid(Model)

2. .DataSource(data => data.Ajax().Model(mdl => mdl.Id(p => p.NewProdId))))

TIA

JB

Grid

answered on 11 Mar 2016

1 answer

380 views

MVC Grid with ClientTemplate not displaying correctly

Having a hard time getting a grid with a ClientTemplate that uses a Dropdown control.

Two problems,

1. The text in the grid does not display a proper value, instead it displays the text used to specify the template. So when you add a row, this is what shows up in the column with the ClientTemplate, "#=StateEditor.Name\\#" instead of an actual state name. (I've attached an image to this post)

2. The dropdown works, I can open it and select an item, but once I leave the column, it reverts back to the text, "#=StateEditor.Name\\#".

As far as I can tell, this is a display issue only because the values selected are valid when I submit the grid data to save.

Here is my setup.

Client Template

@model GCSConnections.Model.SelectListItemDto

@(Html.Kendo().DropDownListFor(m => m)

.DataValueField("Id")

.DataTextField("Name")

.BindTo((System.Collections.IEnumerable)ViewData["StateListDto"])

)

This is the SelectListItemDto

public class SelectListItemDto

{

public int Id { get; set; }

public string Name { get; set; }

}

The Controller Method that invokes the screen is:

public ActionResult ProjectManagement()

{

var states = LookupService.Instance.GetStates();

ViewData["StateListDto"] = states;

ViewData["DefaultState"] = states.First();

SupplierDto model = new SupplierDto();

return View(model);

}

The Grid is defined as:

<div class="form-group">

@(Html.Kendo().Grid(Model.LocationEngagements)

.Name("LocationEngagementsGrid")

.Columns(columns =>

{

columns.Bound(l => l.City);

columns.Bound(l => l.State).ClientTemplate("\\#=StateEditor.Name\\#");

})

.ToolBar(toolBar =>

{

toolBar.Create();

toolBar.Save();

})

.Editable(editable => editable.Mode(GridEditMode.InCell))

.Sortable()

.Scrollable()

.Events(events => events.Edit("LocationGridEdit"))

.DataSource(dataSource => dataSource

.Ajax()

.Batch(true)

.ServerOperation(false)

.Events(events => events.Error("error_handler"))

.Create("GridLocationsEngagement_Create", "Supplier")

.Update("GridLocationsEngagement_Update", "Supplier")

.Model(model =>

{

model.Id(l => l.Id);

model.Field(l => l.Id).Editable(false);

model.Field(l => l.State).DefaultValue(

ViewData["DefaultState"] as GCSConnections.Model.SelectListItemDto);

})

))

</div>

Something to note is that the grid is contained within a parent model so I have to use the excape characters "\\" so specify the in the ClientTemplate definition. If I don't use those, nothing works.

Any ideas?

Grid

answered on 11 Mar 2016

1 answer

5.2K+ views

Treeview dataSource how to refresh?

@(Html.Kendo().TreeView()

.Name("treeview")

.TemplateId("treeview-template")

.HtmlAttributes(new { @class = "demo-section" })

.DataTextField("name")

.DataUrlField("Link")

.DataSource(dataSource => dataSource

.Read(read => read

.Action("GetTreeMenu", "Menu")

)

How can i refresh the datasource?
When i changed the menu'name or del it ,the db has changed ,but not changed the monitor?
i don't know how to refresh th datasource?

TreeView

answered on 11 Mar 2016

12 answers

376 views

Kendo UI MVC Upload in IE & Windows Authentication

Hello, I have a problém with Kendo UI MVC Upload component, which doesn't work correctly in IE10 when using Windows authentication. The result is this: http://screencast.com/t/jw7Ph3MNfm.

The actions are not called for these files, because of 401 error. In Chrome everything works as expected and all actions are correctly called for all files. And when I turn off Windows authentication, everything works ok in IE too.

Is there any solution to this problém? I've found this http://stackoverflow.com/questions/18626258/ie-11-or-10-kendo-ui-file-upload-will-not-upload-unless-i-refresh-the-page-ct, but it doesn't seem to work.

Thank you.

Best regards
Ondra Burisin

Upload

answered on 11 Mar 2016

1 answer

506 views

How to pass parent id to child grid new record editor

I have a TreeView that displays a list of database records. When a user selects a record, I populate a grid with the related record details. The foreign key is sourceid.

I pass the selected record's id like this:

.Read(read => read.Action("AquisitionNotes_Read", "AquisitionNotes").Data("GetCurrentSourceID"))

The GetCurrentSourceID function is simply:

function GetCurrentSourceID() {

return {sourceid: currentSourceID };

}

That works.

But when I want to add a new record, how do I get the currentSourceID value into the Post? If I try the obvious:

.Create(update => update.Action("AquisitionNotes_Create", "AquisitionNotes").Data("GetCurrentSourceID"))

The value from the editor (0 of course) gets precedence and gets passed.

How do I force my actual sourceid to overwrite the editor's value? Or am I solving the problem in the wrong way?

- Brad