Questions on UI for WinForms Forum

23 answers

3.0K+ views

Rebind/Refresh

I display the grid. Then run a query outside of the grid that deletes records that are displayed in the grid. I now want to refresh the grid so it will no longer show the missing records. What's the best way to do this?
I've tried refresh and it doesn't seem to work. I would try rebind, but I don't understand what to pass for GridViewTemplate. I've tried resetting the datasource which works unless the grid has records in it and the new datasource returns no records then the grid continues to show all the records whereas if the new datasource has at least a record the grid will then correctly update, but I thought using rebind might be faster then resetting the datasource..
Also I wanted to mentions I'm looking forward to SP1 for the rowchanged event. I appreciate you guys always improving these controls.

GridView

answered on 26 Feb 2014

5 answers

1.6K+ views

Row background Color

Hello I have a problem when mouse over RowFormatting radgrid the entire row background color disapear
below is my code

Private Sub gridview_RowFormatting(ByVal sender As Object, ByVal e As Telerik.WinControls.UI.RowFormattingEventArgs) Handles GVClaimHistory.RowFormatting

        If InStr(e.RowElement.RowInfo.Cells(0).Value, "MyColumn") <> 0 Then
            e.RowElement.DrawFill = True
            e.RowElement.GradientStyle = GradientStyles.Solid
            e.RowElement.BackColor = Color.Navy
            e.RowElement.ForeColor = Color.Yellow
        End If
    End Sub

please help

GridView

answered on 26 Feb 2014

6 answers

210 views

Example Code Full Of Errors

I've had nothing but difficulty trying to compile the examples available for UI Winforms. It's so full of errors that most times one cannot even open a form without getting the Designer Error page.

Is anyone else having this issue? It seems as if Telerik doesn't even try to load their own demo examples on a clean build machine before deploying them.

If anyone knows the secret to getting the examples to compile, I'd appreciate a tip or two.

General Discussions

answered on 26 Feb 2014

1 answer

298 views

SplitPanel

Where is this located in the toolbox? For the live of me I cannot find it right now. I even have a form that is using one of these controls and works correctly, but I still cannot find it to add one to another form.

Thanks.

General Discussions

answered on 26 Feb 2014

2 answers

145 views

change backgroundcolor at several specific time

HI telerik members:

How can i make radscheduler controller change backgroundcolor at several specific time if i make holiday on radschedule ?
( for example holiday or weekend ?)

Scheduler and Reminder

answered on 26 Feb 2014

6 answers

315 views

Validating Node Editing

I was rather hoping that I could attach an event handler to the node editor Validating event i.e.:

private void radTreeView1_EditorInitialized(object sender, TreeNodeEditorInitializedEventArgs e)

{

e.Editor.Validating += new System.ComponentModel.CancelEventHandler(Editor_Validating);

}

However the Editor_Validating event handler doesn't appear to fire.

What I'm trying to achieve is to not allow the user to create a new node, or change the text of an existing node to the same value as any other node at the same level; and thus ensuring some level of uniqueness.

Treeview

answered on 25 Feb 2014

3 answers

657 views

how to move to next tab of radpageview

I have a radpageview control with about six tabs and on run time it starts with the first page open. So if a person wants to enter data into the database he will fill in the information on the first page if he presses the tab button the cursor will be moved to the next predesignated control.but when it comes the time to go to a textbox on another page of the radpageview it does not do this. Ive tried the code below but it has not yielded reults

is there anyone with any suggestions

RadPageViewPage2.Focus()

RadPageViewPage2.Select

PageView

answered on 25 Feb 2014

3 answers

104 views

Block used from selecting weekends / holidays

Hi

I am using the GanttView in edit mode to allow users to move start/end dates using the graphical view by dragging the start/end dates with the mouse.

I would like to prevent users from selecting certain dates and weekends ie to prevent start/end dates being set to a saturday, sunday or any other dates that I might not require them to use (i.e bank holidays / non-work days).

Is there a way to achieve this?

Thanks
Ian

GanttView

answered on 25 Feb 2014

2 answers

146 views

Determine if Node is Expanding or Contracting in NodeExpandedChanging Event

Is there a way to determine whether a node is expanding or collapsing when handling the NodeExpandedChanging event?

Treeview

answered on 24 Feb 2014

1 answer

126 views

Unhandled exception with ScriptResource - help

Hi everyone,

I keep getting the error below when just trying to show a gridview binded to an sqldatasource control. The error I get is:

Unhandled exception at line 2705, column 12 in http://localhost:29404/ScriptResource.axd?d=QBdwHdBY_qXgcxeJcZKP4bbNykcls-u1djpTwhi_T-NYrl0wFVNeAWL5G_hRguN2jo0ii04N-xacUBHmB-_Hqy55fDuCeVddcbd11MOpPV44e-25e6iJYMJNwr1O5jP9QArZQHq88e7FHylhB7wvyEoQK30oViY9lVm0JnyNWv8avipd0&t=fffffffff98cfb72

0x800a139e - JavaScript runtime error: Sys.ArgumentUndefinedException: Value cannot be undefined.

Parameter name: type

I am doing this with Visual Studio 2012 and Internet Explorer 10. But when I run it with Firefox there are no problems. And I am using Telerik 2013.2.717.35 for the Telerik.Web.UI.

Any suggestions?

GridView

answered on 24 Feb 2014