Questions on UI for ASP.NET AJAX Forum

4 answers

95 views

Referencing a GridDropDownColumn from server-side on postback

Hi All

I have a RadGrid as follows:

<telerik:RadGrid ID="trgStudAttend" runat="server" AllowSorting="True"

AutoGenerateColumns="False" GridLines="None" Skin="Windows7"

CellSpacing="0" AllowMultiRowEdit="True">

<ClientSettings EnableRowHoverStyle="true" />

<MasterTableView DataKeyNames="atdID" EditMode="InPlace">

<Columns>

<telerik:GridBoundColumn DataField="atdID" HeaderText="ID" Visible="false"

UniqueName="atdID">

</telerik:GridBoundColumn>

<telerik:GridBoundColumn DataField="studDisplayName" HeaderText="Name"

UniqueName="studDisplayName" ReadOnly="True">

</telerik:GridBoundColumn>

<telerik:GridDropDownColumn DataSourceID="sdsTimeOfDayCodes" HeaderText="Time of Day"

ListTextField="comb" ListValueField="todcCode" UniqueName="todcCode" DataField="atdTimeOfDayCode">

</telerik:GridDropDownColumn>

<telerik:GridDropDownColumn DataSourceID="sdsReasonCodes" HeaderText="Reason"

ListTextField="comb" ListValueField="rfacCode" UniqueName="rfacCode" DataField="atdReasonCode">

</telerik:GridDropDownColumn>

<telerik:GridBoundColumn DataField="atdComment" HeaderText="Comment"

UniqueName="atdComment">

</telerik:GridBoundColumn>

</Columns>

</MasterTableView>

</telerik:RadGrid>

At post back, every item is in edit mode.

I also have a button on my page (trbSave). When clicked, I want to loop through each row in my RadGrid, and determine what the selected value is for my drop down columns. I am trying this so far without any luck:

' Declarations

Dim sqlString As String = ""

Dim sqlCom As SqlCommand

Dim todcDDL As RadComboBox

' Loop through each student in the radgrid, and save the selected values to the details database

For Each i As GridDataItem In trgStudAttend.EditItems

todcDDL = i.FindControl("todcCode"

Next

i.FindControl("todcCode") always returns 'nothing'. Does anyone know how I can reference that drop downlist and get its currently selected value?

Shane

Grid

answered on 29 Apr 2011

4 answers

141 views

403 Forbidden when user click "Add to dictionary" in RadEditor

Hi,

We are using the RadEditor on our sharepoint portal.

When the user tries to add a word to the dictionary a pop-up appears with the following error message: "Spell Checker Handler Server Error: 403 FORBIDDEN".

I presume that adding a word to the dictionary updates one of the *.tdf file. Is there specific security settings to be assigned to those files ?

Sharepoint Integration

answered on 29 Apr 2011

3 answers

40 views

Data Binding

Does the ASP.Net Ajax grid have options for data binding like the grid in MVC? If not, is it to be expected in an upcoming release?

With the grid in MVC, you have the option of doing the following types of binding:

Server
Ajax/JSON
Web Services

Grid

answered on 29 Apr 2011

8 answers

179 views

How i Manually Design Commanditemdisplay="Top"

How Can I Change The popup Designed Manually .

Grid

answered on 29 Apr 2011

3 answers

154 views

Drag and Drop between Grids

Hi -

I have a page with two RadGrids. Each grid has drag and drop enabled. I use the row-drag capability to re-order items within each grid. The RowDrop event is used on the server side to re-order. It works great. However, I dont want to be able to drag a row from one grid onto the other grid. Is there a way to prevent draging rows from one grid and dropping them on the other on the client? If not, is there a way to determine what the "source" grid was in the RowDrop event on the server. The GridDragDropEventArgs class has a DestinationGrid property in it but no SourceGrid property. Is there a way to determine the source grid so I can just ignore any drops from other grids?

Thanks for your help... Russ

Grid

answered on 29 Apr 2011

1 answer

62 views

RenderSelectedPageOnly question

Hi, we're using RenderSelectedPageOnly and AutoPostback to load on demand several page views. But now every time we change the selected tab an AJAX request is made (because of the AutoPostback), even though the tab had already been loaded.

We would like to load on demand the selected tab only if it's the first time the user selects that tab. Otherwise the tab change should behave without the AJAX request, just like it would with RenderSelectedPageOnly=false

Is there a way to achieve this behavior?

Best regards,
Santiago.

TabStrip

answered on 29 Apr 2011

7 answers

128 views

create context menus Scheduler client

Hi,

is it possible to create the context menus dynamically in the client side? And further more is it possible to created them based on some appointment properties?

I'm looking the documentation but it doesn't say anything regarding that.

regards,

jose

Scheduler

answered on 29 Apr 2011

4 answers

72 views

Radfilter with ardcombo and radtreeview issue in vb.net

Hi,

I am using the Radfilter in my vb.net(2008) project.I am using the RadTreeview as the radcomboboxItem in the datafield editor.I mange to build the control dynamically.But when I add new rows for the filter,previously selected value is set to empty.

Please help on this issue..

Public Overrides Sub InitializeEditor(ByVal container As System.Web.UI.Control)

_combo = New RadComboBox()

_combo.ID = "MyCombo"

_combo.Width = 200

_combo.Height = 180

'For the Treeview

Dim treeItem As New ItemTemplateTreeView(CreateDataSource())

_combo.ItemTemplate = treeItem

Dim item As New RadComboBoxItem()

_combo.Items.Add(item)

_combo.OnClientDropDownOpened = "OnClientDropDownOpenedHandler"

container.Controls.Add(_combo)

End Sub

Public Overrides Function ExtractValues() As System.Collections.ArrayList

Dim list As ArrayList = New ArrayList()

list.Add(DirectCast(_combo.Items(0).FindControl("myTreeview"), RadTreeView).SelectedValue)

Return list

End Function

Public Overrides Sub SetEditorValues(ByVal values As System.Collections.ArrayList)

If Not values Is Nothing And values.Count > 0 Then

If values(0) Is Nothing Then

Return

End If

'Dim item As RadComboBoxItem = _combo.FindItemByValue(values(0).ToString())

Dim item As RadTreeNode = DirectCast(_combo.Items(0).FindControl("myTreeview"), RadTreeView).FindNodeByValue(values(0).ToString())

'If Not item Is Nothing Then

item.Selected = True

_combo.Items(0).Text = item.Text

' _combo.Items(0).Value = item.Value

End If

End Sub

Protected Function CreateDataSource() As DataTable

Dim dataTable As New DataTable()

dataTable.Columns.Add(New DataColumn("Key", GetType(String)))

dataTable.Columns.Add(New DataColumn("Name", GetType(String)))

dataTable.Columns.Add(New DataColumn("ParentId", GetType(String)))

Dim AnalysItems As AnalysListItemList = TryCast(DataSource, AnalysListItemList )

For Each item As CategoryValueListItem In AnalysItems

Dim dr As DataRow = dataTable.NewRow()

dr("Key") = item.Key

dr("Name") = item.Name

If item.Category = item.Key Then

dr("ParentId") = DBNull.Value

Else

dr("ParentId") = item.Category End If

dataTable.Rows.Add(dr)

Next

Return dataTable

End Function

Public Class ItemTemplateTreeView

Implements ITemplate

Private dataTable As DataTable

Public Sub New(ByVal _dataTable As DataTable)

'

' TODO: Add constructor logic here

'

Me.dataTable = _dataTable

End Sub

Public Sub InstantiateIn(ByVal container As Control) Implements ITemplate.InstantiateIn

Dim div As New HtmlGenericControl("div")

div.ID = "div1"

div.Attributes.Add("onclick", "StopPropagation(event);")

Dim tree As New RadTreeView()

Dim item As RadComboBoxItem = DirectCast(container, RadComboBoxItem)

tree.ID = "myTreeView"

tree.OnClientNodeClicking = "nodeClicking"

tree.DataTextField = "Name"

tree.DataFieldID = "Key"

tree.DataValueField = "Key"

tree.DataFieldParentID = "ParentId"

tree.DataSource = dataTable

tree.DataBind()

div.Controls.Add(tree)

container.Controls.Add(div)

End Sub

End Class

Filter

answered on 29 Apr 2011

1 answer

51 views

Image Gallery

Hi

http://demos.telerik.com/aspnet-ajax/controls/examples/integration/listviewsliderwindowrotator/defaultcs.aspx?product=listview

I use this on my application , everything is a goof on local,but when i upload project on my hosting space ,many time i got out of memory error in this page . i like it .please help,
is exist any better solution ?
thanks .

ListView

answered on 29 Apr 2011

1 answer

36 views

How do I....

Ok, so I have a Toolbar which is Width="100%"

The Left side of the toolbar needs Next\Previous buttons, while Right Aligned there needs to be a templated RadCombo container

How can I do this with the control?....is it an option?

ToolBar

answered on 29 Apr 2011