devexpress

Why is invalid value being thrown?

I've got a DevExpress TextEdit which is databound to a dataset. The field is an optional percentage, (datatype double). When the record gets loaded and there is no value in the field, everything is fine. However, if you type something into the field (IE 100) and then want to remove it afterwards, I get an Invalid Value, error. Why do...

Date/Time formatting in .NET (Devexpress Gantt charts to show time rather than date)

I have some data about a day's events that I'm trying to visualise as a Gantt chart using Devexpress XtraCharts. Devexpress's example here shows the chart being populated by date. However, I'd like it to be populated by time to compare the events throughout one day. My X-axis is displaying correctly - done like so: ganttDiagram.AxisY.D...

How to sort a QuantumGrid on data from a different column

Is there a way to sort Devexpress QuantumGrid rows on data from a different column other than the one whose header has been clicked? For example, when the header of column A is clicked the rows of the grid are sorted on the data from column B. Visually it should still appear that it is column A that has been sorted as the sort glyphys wi...

I have DevExpress 9.1 source code, and I want to debug in it, how to do it ?

Hi everryone, It took me two days to try to build the DevExpress source code to make debugging. But can not do it, anyone know how to debug the DLL which is not? MQ ...

How to add a background image only on devexpress skinned mdi form.

I have a Delphi application skinned by devexpress skins and i want to add a background image on mdi form only without applying it also to childforms. I don't want to use multiple skin controllers. ...

DevExpress Reporting Session Issue

This is pretty complicated so I will explain what is going on. I have created an ASP.NET website for displaying images, the way we use our images is, we have a database table that contains the URL where the images are located, however we recently started moving them from the filesystem, and storing them directly into the database as bin...

ASPxGridView Find control (Checkbox) and Check if it is checked or not

I have a checkbox (you can see below) nested in detailed grid. How can I find it on updating click and check if checked or not? I'm using DevExpress GridView <dxwgv:GridViewDataCheckColumn Visible="false" VisibleIndex="14"> <EditFormSettings Visible="True" /> <EditItemTemplate> <dxe:ASPxCheckBox ID="ASPxCheckBox1" Text=...

Freeze the indent of a row group in DevExpress GridControl

I am required to display a DevExpress WinForms GridControl where the rows must be grouped by a date column. When horizontally scrolling the grid, I am required to keep the group row and group indents fixed to the left of the control (so they do not scroll with the columns). I have so far been unable to find any built-in capability for ...

Devexpress DockManager and tab captions

I have a tab container, where i can add many tabs with long captions. The default behavior of devex panels is to shrink the caption of the tabs (e.g. MyLongtabName -> MyLong...). How can i disable this behavior (the caption of the tab pages should remain intact) and instead get a scroll-bar? ...

NetFx40_LegacySecurityPolicy in design-time mode

Hi, Is there any way to make legacy design-time code execute with NetFx40_LegacySecurityPolicy switched on? More specificaly, is there any way to make DevExpress 8.2 winforms designer work in VisualStudio 2010? I got errors due to this issue and found no help about design-time mode, just about run-time: <runtime> <NetFx40_LegacySec...

Mailing Address is forcing 2nd Record in CSV (DevExpress Controls)

My DevExpress CSV export has two lines per record. Rank Score,Prog.,Full Address 63.30 ,JIW ,1234 Whispering Pines Dr , ,Sometown MI 48316 62.80 ,JIW ,9876 Beagle Dr , ,Sometown Twp MI 48382 I would like to change it to one line because I want to do a Word Merge. (Un...

How to disable the Footer summary for certain columns?

I am using a devexpress grid and i don't want to have any footer or group summary for string columns. The user can modify the formula used for the footer summary by accessing the footer menu. I want this menu to be disabled for string columns, since the provided summaries do not make sense for string columns. Any ideas? ...

DevExpress XtraTreeList

Is there a way to set a selected/focused Row Appearance so that it makes the row only bordered (no background color changes, border color red) ? ...

set tool tip for each cell of a devexpress gridview

how to set tool tip for each cell of a devexpress gridview in asp.net & c#.net ...

DevExpress>TcxDBTreeList Drag-Drop Tree Nodes (records)

I want to move tree nodes (db records) in TcxDBTreeList by dragging, is there a property on this component for this option ? ...

how to stop the variation of devexpress textbox's width

i have web form running in asp.net & c#.net, The form has a devexpress aspxtextbox and the another ordinary textbox with a button. The scenario is enter a text longer than the width of the text box in the ordinary text box. on clicking the button it enters the text in to devexpress aspxtextbox ,increasing the width of the devexpres...

Can a DevExpress XtraGrid be filled using a a Dynamic SELECT statement string

Can a DevExpress XtraGrid be filled using a a Dynamic SELECT statement string? i.e. SELECT * FROM Employee or SELECT * FROM Dependents To fill our XtraGrids currently, we use a ORM that creates entities. To do this it takes a lot of steps and time. What is driving me to ask this question is we do a lot of client aquistions where we ...

how to set tool tip for the aspxtextboxes to show their text contents ?

i have been working with devexpress AspxTextbox, in asp.net and c#.net? initially i was struggling to settext for aspx text boxes,but after that i got a tip that clientinstancename.settext() with custom js properties solve that issue. now the problem is i have to set the tool tip for the aspxtextboxes to show their text contents ? how...

What commercial WPF suite is better? Please suggest

Im working on a middle size project, using WPF. Need DataGrid, suitable for the client: fast, customizable, beautiful. Which component suite do you suggest from your practice?(for example Devexpress's, telerik's, Infragistics's and etc) ...

devexpress ASPxGridView column problem

Hey all I have an ASPXGRIDVIEW which is binded to an SQL query. I added to the grid an additional COLUMNCUSTOMBUTTON. But what happens is, that for all the rows it put a link there. I am trying to find a way to add to this column a link (button) ONLY to specific rows! I am unable to understand how to do it thanks ...