Questions on UI for ASP.NET AJAX Forum

38 answers

7.7K+ views

This sticky thread lists known issues and breaking changes introduced in the UI for ASP.NET AJAX releases.

Q3 2011 (Version number: 2011.3.1115)

Problem: When adding items to OData-enabled controls (RadMenu, RadTreeView, RadListBox, RadComboBox) through design time erroneous markup is applied to the control:

<telerik:RadListBox runat="server" ID="RadListBox1">
    <Items>
    </Items>
    <WebServiceSettings>
        <ODataSettings InitialContainerName="">
        </ODataSettings>
    </WebServiceSettings>
</telerik:RadListBox>

Please note the added ODataSettings section. It will cause JavaScript errors on the page.

Solution: Remove the ODataSetting section and the issue will vanish. The problem is also fixed in the Q3 SP1 release, version number 2011.3.1305

General Discussions

updated answer on 05 Mar 2024

1 answer

593 views

I'm getting an error with Telerik

When I run my project I'm getting this error

Could not load file or assembly 'Telerik.Web.UI' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)

In my web.config I checked that the version in the web.config is the same as the version I'm using in references

General Discussions

answered on 22 Oct 2021

0 answers

4 views

Return Html with TrackChange and with Accepted Track Change

Hello,

Is any way to return:

1. Html with Track Change marks and comments to store it in the database for next edit session?

2. Auto accepted html.

I tried in cs: RadEditor1.Content - but it return content without changes, RadEditor1.GetHtml(EditorStripHtmlOptions.AcceptTrackChanges) - but also track changes were not accepted.

Can you provide any example, please?

Thank you!

Editor

asked on 28 Jun 2024

1 answer

6 views

Consistent log errors regarding missing or problem loading ButtonSprites.gif

We have hundreds of log error messages regarding missing or problem loading ButtonSprites.gif.

This issue has been asked in 2019 ticket and we were informed it would be fixed in a new release. It has yet to be fixed, and although I we are not experiencing any obvious issues, other than the error in the log, I have been tasked with resolving this.

The exact message states: "The requested resource 'pTelerik.Web.UI.Skins|Telerik.Web.UI.Skins.Sunset.FormDecorator.ButtonSprites.gif' does not exist or there was a problem loading it."

Please advise.

For reference, see our ticket #1453479

Thank you,

Jeff.

General Discussions

updated answer on 28 Jun 2024

1 answer

14 views

Modifying Update button to load items in RadGrid and post

So, first off, I am very new to programming and just started a position, but I have been working on an item for a bit now and am struggling to get it to work correctly. I get stuck on a spceific line of code and I am not sure how to handle it as they are not text boxes. The errors I get are as follows:

System.InvalidCastException: 'Unable to cast object of type 'Telerik.Web.UI.GridTextBoxColumnEditor' to type 'System.IConvertible'.'

For this line:

cmd.Parameters.Add("@Fill_Qty", SqlDbType.Int).Value = System.Convert.ToInt32(fillQtyEditor)

I also believe this will effect the maint_date and active_indicator cmds as well and would like any feedback. Additionally, the cmd that I am using for sql the values are null so seems to be bypassing that as well. I have scoured this site and documentation which has helped somewhat but nothing specific to this.

Protected Sub RadGrid1_ItemCreated(sender As Object, e As Telerik.Web.UI.GridItemEventArgs)
    If e.Item.IsInEditMode Then
        Dim item As Telerik.Web.UI.GridEditableItem = TryCast(e.Item, Telerik.Web.UI.GridEditableItem)

        ' Add validator for PortalID (Non-nullable)
        Dim portalIDEditor As Telerik.Web.UI.GridTextBoxColumnEditor = CType(item.EditManager.GetColumnEditor("PortalID"), Telerik.Web.UI.GridTextBoxColumnEditor)
        AddRequiredFieldValidator(portalIDEditor.TextBoxControl, "PortalID")

        ' Add validator for asset_sn (Non-nullable)
        Dim assetSNEditor As Telerik.Web.UI.GridTextBoxColumnEditor = CType(item.EditManager.GetColumnEditor("asset_SN"), Telerik.Web.UI.GridTextBoxColumnEditor)
        AddRequiredFieldValidator(assetSNEditor.TextBoxControl, "Asset Serial Number")

        ' Add validator for asset_model (Nullable)
        Dim assetModelEditor As Telerik.Web.UI.GridTextBoxColumnEditor = CType(item.EditManager.GetColumnEditor("asset_model"), Telerik.Web.UI.GridTextBoxColumnEditor)
        AddRequiredFieldValidator(assetModelEditor.TextBoxControl, "Asset Model")

        ' Add validator for asset_location (Nullable)
        Dim assetLocEditor As Telerik.Web.UI.GridTextBoxColumnEditor = CType(item.EditManager.GetColumnEditor("asset_location"), Telerik.Web.UI.GridTextBoxColumnEditor)
        AddRequiredFieldValidator(assetLocEditor.TextBoxControl, "Location")

        ' Add validator for Fill_qty (Nullable but must be numeric if provided)
        Dim fillQtyEditor As Telerik.Web.UI.GridTextBoxColumnEditor = CType(item.EditManager.GetColumnEditor("Fill_qty"), Telerik.Web.UI.GridTextBoxColumnEditor)
        AddNumericValidator(fillQtyEditor.TextBoxControl, "Fill Quantity")

        Dim maintEditor As Telerik.Web.UI.GridDateTimeColumnEditor = CType(item.EditManager.GetColumnEditor("maint_Date"), Telerik.Web.UI.GridDateTimeColumnEditor)
        Dim actIndEditor As Telerik.Web.UI.GridCheckBoxColumnEditor = CType(item.EditManager.GetColumnEditor("active_indicator"), Telerik.Web.UI.GridCheckBoxColumnEditor)
        Dim notesEditor As Telerik.Web.UI.GridTextBoxColumnEditor = CType(item.EditManager.GetColumnEditor("Notes"), Telerik.Web.UI.GridTextBoxColumnEditor)

        ' Checks to see if items if item is 'PerformInsert' else check if it is 'UpdateButton'
        Dim buttonName As String = If(TypeOf item Is Telerik.Web.UI.IGridInsertItem, "PerformInsertButton", "UpdateButton")
        TryCast(item.FindControl(buttonName), Button).ValidationGroup = "gridFormValidation"




        Dim objConnection As SqlConnection
        Dim strSQL As String

        objConnection = New SqlConnection(ConfigurationManager.ConnectionStrings("DC2_Data_WarehouseConnectionString_PRODUCTION").ConnectionString)


        ' Insert record
        strSQL = "INSERT INTO [data_warehouse].[dbo].[t_d_ATracker] ([PortalID],[asset_SN],[Fill_Qty],[Maint_Date],[asset_location],[asset_model],[active_indicator],[Asset_Notes]) " &
                         "VALUES (@PortalID, @asset_SN, @Fill_Qty, @Maint_Date, @asset_location, @asset_model, @active_indicator, @Asset_Notes);" &
                         "SELECT CAST(scope_identity() AS int);"


        Dim cmd As New SqlCommand(strSQL, objConnection)

        ' Add parameters
        cmd.Parameters.Add("@PortalID", SqlDbType.VarChar, 10).Value = portalIDEditor.Text
        cmd.Parameters.Add("@asset_SN", SqlDbType.VarChar, 20).Value = assetSNEditor.Text
        cmd.Parameters.Add("@Fill_Qty", SqlDbType.Int).Value = System.Convert.ToInt32(fillQtyEditor)
        cmd.Parameters.Add("@Maint_Date", SqlDbType.Date).Value = maintEditor
        cmd.Parameters.Add("@asset_location", SqlDbType.VarChar, 20).Value = assetLocEditor.Text
        cmd.Parameters.Add("@asset_model", SqlDbType.VarChar, 20).Value = assetModelEditor.Text
        cmd.Parameters.Add("@active_indicator", SqlDbType.Bit).Value = actIndEditor
        cmd.Parameters.Add("@Asset_Notes", SqlDbType.VarChar, -1).Value = notesEditor.Text
    End If


End Sub
Private Sub AddRequiredFieldValidator(textBox As TextBox, fieldName As String)
    Dim validator As New CustomValidator()
    validator.ID = "CustomValidator_" & fieldName.Replace(" ", "_")
    validator.ControlToValidate = textBox.ID
    validator.ValidateEmptyText = True
    validator.ErrorMessage = String.Format("* {0} is required", fieldName)
    validator.ForeColor = Color.OrangeRed
    validator.ClientValidationFunction = "requiredFieldValidation"
    validator.ValidationGroup = "gridFormValidation"
    AddHandler validator.ServerValidate, AddressOf RequiredField_ServerValidate
    textBox.Parent.Controls.Add(validator)
End Sub

Private Sub AddNumericValidator(textBox As TextBox, fieldName As String)
    Dim validator As New CustomValidator()
    validator.ID = "CustomValidator_" & fieldName.Replace(" ", "_")
    validator.ControlToValidate = textBox.ID
    validator.ValidateEmptyText = True
    validator.ErrorMessage = String.Format("* {0} must be a numeric value", fieldName)
    validator.ForeColor = Color.OrangeRed
    validator.ClientValidationFunction = "numericFieldValidation"
    validator.ValidationGroup = "gridFormValidation"
    AddHandler validator.ServerValidate, AddressOf NumericField_ServerValidate
    textBox.Parent.Controls.Add(validator)
End Sub

Protected Sub RequiredField_ServerValidate(source As Object, args As ServerValidateEventArgs)
    args.IsValid = Not String.IsNullOrWhiteSpace(args.Value)
End Sub

Protected Sub NumericField_ServerValidate(source As Object, args As ServerValidateEventArgs)
    Dim value As String = args.Value.Trim()
    args.IsValid = String.IsNullOrEmpty(value) OrElse IsNumeric(value)
End Sub

Grid

answered on 24 Jun 2024

1 answer

8 views

Custom AsyncUploadHander multible Files

Is there a way to upload all files in a directory via Dropzone?

Ajax

AsyncUpload

answered on 21 Jun 2024

1 answer

8 views

Hide a column in the VB Code behind

I want to hide the Preview column that is withing a Template column and I'm not having any luck.

                                    <telerik:RadGrid ID="RadGridMaterials" runat="server" AllowPaging="True" AllowSorting="True" GridLines="None" Width="896px" PageSize="20">
                                        <PagerStyle Mode="NextPrevNumericAndAdvanced" />
                                        <MasterTableView AutoGenerateColumns="false" TableLayout="Fixed">
                                            <NoRecordsTemplate>
                                                No Material Records Found
                                            </NoRecordsTemplate>
                                            <Columns>
                                                <telerik:GridButtonColumn ButtonType="PushButton" HeaderText="" HeaderStyle-Width="50px" UniqueName="EditItem" Text="Edit" ConfirmText="Edit Item?" CommandName="EditItem" />
                                                <telerik:GridBoundColumn  DataField="itemsku" HeaderText="ID" HeaderStyle-Width="120px" />
                                                <telerik:GridBoundColumn  DataField="itemdesc" HeaderText="Description" HeaderStyle-Width="380px" />
                                                <telerik:GridBoundColumn  DataField="itemquantity" HeaderText="Quantity" HeaderStyle-Width="50px" ItemStyle-HorizontalAlign="Right" />
                                                <telerik:GridButtonColumn ButtonType="ImageButton" HeaderText="Adjust Quantity" HeaderStyle-Width="70px" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center" UniqueName="EditQty" ImageUrl="~\images\Edit-32.png" CommandName="EditQty" />
                                                <telerik:GridButtonColumn ButtonType="ImageButton" HeaderText="Rename" HeaderStyle-Width="70px" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center" UniqueName="Rename" ImageUrl="~\images\Edit-32.png" CommandName="Rename" />
                                                
                                                <%--<telerik:GridButtonColumn ButtonType="ImageButton" HeaderText="Preview" HeaderStyle-Width="60px" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center" UniqueName="Preview" ImageUrl="~\images\transparent.png" />--%>
                                                <telerik:GridTemplateColumn HeaderText="Preview" HeaderStyle-Width="50px">
                                                    <ItemTemplate>
                                                        <button id="Preview" type="button" data-toggle="modal" data-target="#renderingPDF" class="previewbutton">
                                                            <img src="/images/Adobe-32.png"
                                                        </button> 
                                                    </ItemTemplate>                                                
                                                </telerik:GridTemplateColumn>
                                                
                                                <telerik:GridButtonColumn ButtonType="ImageButton" HeaderText="Download" HeaderStyle-Width="60px" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center" UniqueName="Download" ImageUrl="~\images\transparent.png" />
                                                <telerik:GridButtonColumn ButtonType="ImageButton" HeaderText="Delete" HeaderStyle-Width="48px" HeaderStyle-HorizontalAlign="Center" ItemStyle-HorizontalAlign="Center" UniqueName="DeleteItem" ImageUrl="~\images\Garbage-Closed-32.png" ConfirmText="Delete Item?" CommandName="DeleteItem" />
                                                <telerik:GridBoundColumn  DataField="PDF" Display="false" UniqueName="PDF" />
                                                <telerik:GridBoundColumn  DataField="CartContentPk" Display="false" UniqueName="CartContentPk" />
                                                <telerik:GridBoundColumn  DataField="SavePk" Display="false" UniqueName="SavePk" />
                                                <telerik:GridBoundColumn  DataField="Type" Display="false" UniqueName="Type" />
                                                <telerik:GridBoundColumn  DataField="EventOrderItemsId" Display="false" UniqueName="EventOrderItemsId" />
                                                <telerik:GridBoundColumn  DataField="EventLinkPK" Display="false" UniqueName="EventLinkPK" />
                                            </Columns>
                                        </MasterTableView>
                                    </telerik:RadGrid>

  Private Sub RadGridMaterials_ItemDataBound(ByVal sender As Object, ByVal e As Telerik.Web.UI.GridItemEventArgs) Handles RadGridMaterials.ItemDataBound
            Try
                If TypeOf e.Item Is GridDataItem Then

                    Dim dataItem As GridDataItem = TryCast(e.Item, GridDataItem)
 '----------------------------------------------------------------------------------------------

                    'Dim btnPreview As button = TryCast(dataItem("Preview").Controls(0), button)
                    Dim btnPreview As HtmlButton = New HtmlButton
                    ' Try
                    btnPreview = CType(dataItem.FindControl("Preview"), HtmlButton)
                    'Catch ex1 As Exception
                    'LogException(New Exception("Define Button Preview" & ex1.Message.ToString))
                    'End Try

                    Try
                        If dataItem("PDF").Text = "&nbsp;" Or dataItem("CartContentPk").Text = "&nbsp;" Then
                            'btnPreview.Enabled = False
                            'btnPreview.ImageUrl = "~\images\transparent.png"
                            btnPreview.Visible = False
                        Else
                            'btnPreview.ImageUrl = "~\images\Adobe-32.png" 'Stuffed_Folder.png"
                            'btnPreview.Enabled = True
                            'btnPreview.ToolTip = dataItem("ItemSKU").Text
                            btnPreview.Visible = True
                            'btnPreview.OnClientClick = "window.open('" & dataItem("PDF").Text & "','','')"
                        End If
                    Catch ex As Exception
                        LogException(ex)
                    End Try

                    '----------------------------------------------------------------------------------------------
                End If

            Catch ex As Exception
                lblErrMessage.Text = ex.ToString
            End Try
        End Sub

Grid

answered on 20 Jun 2024

2 answers

264 views

RadEditor Hyperlinks Not Working

Hello,

We are not able to open hyperlinks which are in the content area of the RadEditor. We are experiencing this behavior in our code as well as on your demo site. Here is how to replicate the issue on the demo site.

a) Go to the overview page on the RadEditor demo site: http://demos.telerik.com/aspnet-ajax/editor/examples/overview/defaultcs.aspx

b) Clear all content in the RadEditor

c) Click on the <html> tab for the RadEditor

d) Enter the following hyperlink into the content area: <a href="http://www.w3schools.com/html/">Visit our HTML tutorial</a>

e) Click on the Preview tab of the RadEditor

f) Click on the hyperlink for d) above. This will not take the browser to the hyperlink which was added into the content area

This behavior is consistent between Google Chrome, Firefox, Edge, Safari and IE

Please advise.

Editor

answered on 19 Jun 2024

2 answers

324 views

How to make Links (<a> tag) work in RadEditor?

Hi!

I have a RadEditor on a page and links do not work when clicked. I read in other posts that the links won't work due to it being rendered in an IFRAME, and try some JavaScript workarounds:

https://www.telerik.com/forums/radeditor-hyperlinks-not-working

I tried both of the workarounds mentioned there:

http://docs.telerik.com/devtools/aspnet-ajax/controls/editor/how-to/open-link-in-a-new-window-when-clicked
http://docs.telerik.com/devtools/aspnet-ajax/controls/editor/how-to/open-link-in-a-new-window-on-double-click

But neither was able to open a new page. I set ContentFilters to "None", and still the same issue so it's not related to that.

Thanks!

Editor

answered on 19 Jun 2024

1 answer

8 views

How to set an individual Pie Chart ToolTip text colour

Hi all,

I have tried to use the samples shown in this post ( https://www.telerik.com/forums/determine-column-series-color ) but cannot get it to apply for a pie chart. I have several dark & light coloured pie segments (eg: black & yellow) and cannot set a single colour across the board.

My current function looks like this:

function Chart1SeriesHover(e) {
   setTimeout(function () {
      switch (e.category) {
         case'Not Done':
            $telerik.$('.k-tooltip')[0].style.color = "white"; //black pie segment
            break;
         default:
            break;
}
   }, 10);
}