Questions on UI for ASP.NET AJAX Forum

3 answers

161 views

I have read the post on a custom provider to get to the root folder in the ViewPaths property but I can't get it to work. Is there any update or another way to use a physical path or to set the viewpathproperty to the root folder?

FileExplorer

answered on 30 Sep 2010

3 answers

438 views

Self-referencing RadGrid with custom column, inline Edit and yahoo scrolling

Hi,

Telerik Grid Version: Telerik Grid ASP. NET AJAX Q1 2010 SP1

Requirements:
We need to build a self-referencing RadGrid with custom columns (ca 200 - 500 columns), inline editing and yahoo scrolling (ca 500 - 5000 rows).

Why Custom columns

The grid datasource should have 24 x 5 = 120 columns at least but the grid itself should show at least 24 columns (2 years = 2 x 12 months).
However, each row should show the content of 5 fields (that's why we need overall 24 x 5 = 120 columns).

Why inline Edit

The user should be able to edit only 1 of the 5 fields per row. We tried double edit click, but for performance reason, it didnt work well.

Why yahoo scrolling

To improve performance and for better usability, the user shouldnt wait before all the rows are rendered before editing them.

Why self-referencing

The grid shows tasks with level and outline numbers. The user want to see a hierarchy, so he can collapse/expand task from any level.

See the picture "preview" in attachment to see how the grid currently looks

Problem:
We could successfully implement the grid with custom column, inline editing and yahoo scrolling. Everything so far is working fine.
Our only problem now is to make the grid self-referencing.
When trying this, we have an Error "System.OutOfMemoryException".
When debugging, we found that, this error occurs just after RadGrid1_NeedDataSource in RadGrid1_ColumnCreated
We suspect that the problem has to do with the huge amount of columns (around 100) and the fact that we enable self-referencing.

Any Idea or suggestions?

Code:
The grid is created programmatically because the columns are created dynamically.

aspx : The grid will be later added in PlaceHolder1

<telerik:RadAjaxManager ID="RadAjaxManager1" runat="server"

OnAjaxRequest="RadAjaxManager1_AjaxRequest">

<AjaxSettings>

<telerik:AjaxSetting AjaxControlID="RadGrid1">

<UpdatedControls>

<telerik:AjaxUpdatedControl ControlID="RadGrid1" LoadingPanelID="RadAjaxLoadingPanel1"/>

<telerik:AjaxUpdatedControl ControlID="Label1" />

</UpdatedControls>

</telerik:AjaxSetting>

<telerik:AjaxSetting AjaxControlID="RadAjaxManager1">

<UpdatedControls>

<telerik:AjaxUpdatedControl ControlID="RadGrid1" LoadingPanelID="RadAjaxLoadingPanel1" />

</UpdatedControls>

</telerik:AjaxSetting>

</AjaxSettings>

<ClientEvents />

</telerik:RadAjaxManager>

<telerik:RadAjaxLoadingPanel runat="server" ID="RadAjaxLoadingPanel1"

Height="75px" Width="75px" Transparency="25"/>

<telerik:RadAjaxPanel runat="server" ID="RadAjaxPanel1" LoadingPanelID="RadAjaxLoadingPanel1">

<asp:PlaceHolder runat="server" ID="PlaceHolder1" >

</asp:PlaceHolder>

<br />

<asp:Label ID="L_Text_LastChange" runat="server" Text="Last change on: " CssClass="labelText"></asp:Label>

</telerik:RadAjaxPanel>

page_init

protected void Page_Init(object sender, EventArgs e)

{

RadGrid1.ID = "RadGrid1";

RadGrid1.AllowMultiRowEdit = true;

RadGrid1.AllowMultiRowSelection = true;

RadGrid1.GroupingEnabled = true;

RadGrid1.Skin = "Windows7";

RadGrid1.Width = Unit.Percentage(97);

//the initial amount of rows to show

RadGrid1.PageSize = 20;//20

RadGrid1.AllowPaging = true;

RadGrid1.AllowSorting = true;

RadGrid1.PagerStyle.Mode = GridPagerMode.NextPrevAndNumeric;

RadGrid1.AutoGenerateColumns = false;

RadGrid1.GridLines = GridLines.None;

RadGrid1.ShowFooter = false;

//PagerStyle

RadGrid1.PagerStyle.Visible = false;

//MasterTableView

RadGrid1.MasterTableView.TableLayout = GridTableLayout.Fixed;

RadGrid1.MasterTableView.AutoGenerateColumns = true;

RadGrid1.MasterTableView.EditMode = GridEditMode.InPlace;

//ClientSettings

RadGrid1.ClientSettings.Scrolling.ScrollHeight = Unit.Pixel(350);//350

//Yahoo Scrolling

RadGrid1.ClientSettings.Scrolling.AllowScroll = true;

RadGrid1.ClientSettings.Scrolling.UseStaticHeaders = true;

RadGrid1.ClientSettings.Scrolling.SaveScrollPosition = true;

RadGrid1.ClientSettings.ClientEvents.OnScroll = "HandleScrolling";

//Because of ClientSelectColumn

RadGrid1.ClientSettings.Selecting.AllowRowSelect = true;

//Custom row selection

RadGrid1.ClientSettings.ClientEvents.OnRowSelected = "SelectRows";

RadGrid1.ClientSettings.ClientEvents.OnRowDeselected = "DeSelectRows";

//Add editColumn

RadGrid1.MasterTableView.DataKeyNames = new string[] { "ID", STR_TaskOutlineNumber, ColName_TaskName, STR_TaskLevel, "SAPInternalIDTask", "SAPSystem", STR_HasChanged, STR_ColumnChanged };

RadGrid1.MasterTableView.ClientDataKeyNames = RadGrid1.MasterTableView.DataKeyNames;

//Add custom column

addCustomColumns(RadGrid1, gridSource);

//Set Grid Events

RadGrid1.PreRender += new EventHandler(RadGrid1_PreRender);

RadGrid1.ColumnCreated += new GridColumnCreatedEventHandler(RadGrid1_ColumnCreated);

RadGrid1.UpdateCommand += new GridCommandEventHandler(RadGrid1_UpdateCommand);

RadGrid1.NeedDataSource += new GridNeedDataSourceEventHandler(RadGrid1_NeedDataSource);

//Add the grid to the placeholder

this.PlaceHolder1.Controls.Add(RadGrid1);

//TODO: Not working, throw error "System.OutOfMemoryException", need help here!!!

//Build self-referencing

//RadGrid1.MasterTableView.HierarchyLoadMode = GridChildLoadMode.Client;

//RadGrid1.MasterTableView.HierarchyDefaultExpanded = true;

//RadGrid1.MasterTableView.SelfHierarchySettings.ParentKeyName = "ParentNr";

//RadGrid1.MasterTableView.SelfHierarchySettings.KeyName = "Nr";

//RadGrid1.ClientSettings.AllowExpandCollapse = true;

}

page_load

protected void Page_Load(object sender, EventArgs e)

{

if (!Page.IsPostBack)

{

//Init values when the page is being loaded or accessed for the first time

initValues();

initLabels();

// this would bind the grid calling NeedDataSource

RadGrid1.Rebind();

}

RadGrid1_NeedDataSource

protected void RadGrid1_NeedDataSource(object sender, GridNeedDataSourceEventArgs e)

{

RadGrid1.DataSource = gridSource;

}

RadGrid1_ColumnCreated

protected void RadGrid1_ColumnCreated(object sender, Telerik.Web.UI.GridColumnCreatedEventArgs e)

{

GridBoundColumn boundColumn = e.Column as GridBoundColumn;

//Hide all columns, they will be made visible again later

if (boundColumn != null)

boundColumn.Visible = false;

}

Grid

answered on 30 Sep 2010

3 answers

310 views

[Solved] EditMode= EditForms hide default update and cancel buttons

in my grid the EditMode is "EditForms". I also have a ItemEditTemplate which contains the update and cancel button. Is there a way that i can disable/hide the default update and cancel buttons and use mine?

Grid

answered on 30 Sep 2010

2 answers

173 views

Problem with RadToolbar with Event Bubbling

Dear Telerik Team

I have used the Rad Toolbar in a user control file.

and I dragged this user control on my Web Form page to use it.

I handle the events of Rad Toolbar items in my web form page (Event Bubbling).

When I run my application, the problem that I faced is when clicking any item in Rad Toolbar ----> No Post Back happened !!!!

and so My event handlers cannot run !!

so, What is the problem ? and How I can solve it ???

Best Regards

ToolBar

answered on 30 Sep 2010

1 answer

71 views

[stacked bar] changing alignment of item text

Hello,

Long story in short way -- please take a look at presentation:

http://www.telerik.com/help/aspnet-ajax/understandingtypesstackedbar.html

The text of items are next to each part of bar, how I can achieve this?

My case: in my case texts from both series are displayed next to last (top) parts of bars. I tried to add

in ChartSeries section, but no matter what I enter -- bottom, top, etc. nothing is changing.

Thank you in advance for help.

Remark: Telerik, please expand your documentation and simply add code that produces given screenshots, it is a bit frustrating when you see exactly want you want to achieve, and yet you struggle to do this having only few hints. Thank you.

Chart (Obsolete)

answered on 30 Sep 2010

1 answer

94 views

Picking up when an item is selected in the griddropdowncolumn

Here's what I'm trying to do: I have a griddropdowncolumn with a data source attached. I've enabled the EmptyListItemText. What I would like is, if the datasource is empty, add another item to the griddropdowncolumn which would say "add an item". When the user selects this text, it would bring up a popup edit form with a couple of fields. The user would fill in those fields and do an insert. This new value would then show up in the griddropdowncolumn. I guess I would need to use the ItemDataBound event to add the "add the item" text. But how do I determine that someone selected this text? I guess I'm asking what event would get fired when someone picks a different item in the griddropdowncolumn. Thanks for any help I can get.

Grid

answered on 30 Sep 2010

1 answer

421 views

Connection Reset on Upload

Hi,

I am having an issue where when I try to upload a 125MB .FLV or a 53 MB .FLV on my live site the Ajax UI never starts and I eventually get a connection reset error. The uploader starts up with no problem, however, when I use a 5 MB .FLV. My maxRequestLength is set to 1024000 but I do not think any of those settings are wrong because when I try it on my local machine I can upload the 125 MB .FLV. Can you think of any reason why this would be happening live and not local?

I also tried setting the executionTimeout="360000" but it just took longer to throw the error.

Any help would be appreciated.

Thanks,

Aaron

Upload (Obsolete)

answered on 30 Sep 2010

0 answers

273 views

Auto refresh Chart without flicker (blink)

I'm use Chart with auto refresh and use Timer in every 2 second. but always see flicker/blink.

How to Auto refresh Chart without flicker (blink) in every 2 second. But not use Javascript.

Please help me...

Chart (Obsolete)

asked on 30 Sep 2010

2 answers

111 views

[Solved] Display DateTime in custom format (ICustomerFormatter)

Hi,

I use the RadDatePicker to let the user select a date. Instead of displaying the whole date, only the year and the quarter should be displayed then. I thought of an ICustomerFormatter and IFormatProvider to write a new custom format for the quarter portion of the date. So I have to pass my own format provider to the control. How do I do that? I tried to overwrite RadDatePicker but this seems not enough, because the input control itself is a RadDatePicker-Control.
Any ideas to start with, or is it just the wrong way to achieve the displaying of my own custom format?

Calendar

answered on 30 Sep 2010

2 answers

168 views

Ftp provider + Encoding

Hi,
I'm getting ??? in my file names when using your custom ftp provider.
Is there some way to set encoding of file names in the fileexplorer?

Regards,
Mattias

FileExplorer

answered on 30 Sep 2010