Telerik Forums
UI for WinForms Forum
1 answer
274 views
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.
Ralitsa
Telerik team
 answered on 26 Feb 2014
2 answers
136 views
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 ?) 
秋雲
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Rank 1
 answered on 26 Feb 2014
6 answers
298 views
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.
mtaber
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Rank 1
 answered on 25 Feb 2014
3 answers
635 views
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
Stefan
Telerik team
 answered on 25 Feb 2014
3 answers
100 views
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
Dimitar
Telerik team
 answered on 25 Feb 2014
2 answers
133 views
Is there a way to determine whether a node is expanding or collapsing when handling the NodeExpandedChanging event?
Paul
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Rank 1
 answered on 24 Feb 2014
1 answer
118 views
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?





Dimitar
Telerik team
 answered on 24 Feb 2014
17 answers
914 views
Hello,

I have a form with 3 "drop down" selectors that are used to filter a data grid. They have quite a few records in them. The first one has 1800, second has 4100 and the third has 12800.

I have tried quite a few drop down objects. The default .net combobox control, then the raddropdownlist. The data returned from the query is fast but the binding to the control is slow for the .net object. The raddropdownlist is extremely fast and I was going to use that except for two things. First, I can't seem to get the control to "text align=left" so when a value that's wider then the control is chosen your cursor goes off the object. Second it doesn't have multiple columns. After I read the "Auto Complete" doesn't work for the multicolumncombobox, I wasn't going to use it.

But then I went through the demo and the filtering functionality is good enough to simulate auto complete even if the user still has to choose a selection, they sacrifice the auto population for the multiple column view.

I've tried to use the multicolumncombobox for the 1800 record control and it is slow to respond. Even after it binds the data, changing selections or filters has some hiccups. The box is bound to an .xsd with three columns in it and only refreshes when the form loads. Is there something I can toggle to improve performance of the suggestion popup box?

Alternately, if there is a way to set the "text align=left" on the raddropdownlist control, the speed of that object is unmatched and I would rather use that.

Thank you
George
Telerik team
 answered on 24 Feb 2014
5 answers
1.0K+ views
Hallo Telerik Team,

I would like to know how I add a list of images to a ListView as Icon View. The path images are in a List<string> and they are into:
C://Documents/Pic/.
How can I do that? The images paths are saved in a dataTable in a database.

Thank you very much.

Best regards,

Alfonsina Mello


Stefan
Telerik team
 answered on 24 Feb 2014
3 answers
125 views
Hello!

In my desktop application I´m trying to implement telerik winform controls.

when I have used radbutton I´ve got a problem. I´m not able to click on the buttons.

This is the code I´ve used fot a button which is not clickable in my case:

//this.btnNew.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 
this.btnNew.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(39)))), ((int)(((byte)(119)))), ((int)(((byte)(169))))); 
this.btnNew.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("btnNuevo.BackgroundImage"))); 
//this.btnNew.FlatAppearance.BorderColor = System.Drawing.Color.White; 
//this.btnNew.FlatStyle = System.Windows.Forms.FlatStyle.Popup; 
      this.btnNew.Font = new System.Drawing.Font("Verdana", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Pixel); 
this.btnNew.ForeColor = System.Drawing.Color.White; 
this.btnNew.ImageAlignment = System.Drawing.ContentAlignment.MiddleLeft; 
this.btnNew.ImeMode = System.Windows.Forms.ImeMode.NoControl; 
this.btnNew.Location = new System.Drawing.Point(512, 417); 
this.btnNew.Margin = new System.Windows.Forms.Padding(0); 
this.btnNew.Name = "btnNuevo"
this.btnNew.Size = new System.Drawing.Size(90, 35); 
this.btnNew.TabIndex = 42
this.btnNew.Text = "Nuevo"
this.btnNew.TextImageRelation = System.Windows.Forms.TextImageRelation.ImageBeforeText; 
//this.btnNew.UseVisualStyleBackColor = false

The commented lines are because radbuttons don´t recognize those properties. They were used before with windows form controls.

do you know why button can´t be clickable?

Than you in advance.
Stefan
Telerik team
 answered on 24 Feb 2014
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