Devexpress Unbound Column

When clicking on one of these buttons, a dropdown will appear that let's you select the type of column to add. DevExpress is a company made up of developers with a rich understanding and deep appreciation for a diverse set of technologies, from Windows Forms (WinForms Skip navigation Sign in In this video. To create nodes, use the AppendNode method. Columns collection, and set the following column. It is not necessary to be a XAF guru, we can all manage to create a behavior taken from DevExpress code central. In this video you will learn how to add columns whose values are not stored in the data source and are calculated using a pre-defined expression or specified via an event handler. Let's take the previous example; witch is North African countries representation table. 🎬 DevExpress In this video you will learn how to add columns whose values are not stored in the data source and are calculated using a pre-defined expression or specified via an event handler. In this video you will learn how to apply data grouping to the Tile View, how to control the enabled state or check status of tiles depending on a field value and how to customize tile items using. Columns collection and set the following column properties. Contribute to DevExpress-Examples/how-to-define-an-unbound-column-within-gridview-e2824 development by creating an account on GitHub. NET Grid - How to Display Unbound Data, 04-Devexpress 15. DevExpress GridView: How to Calculate Customized Summary - BurnIgnorance Join a community of. Use this component to calculate summaries and totals against specific values and display the results within the pivot table's cells. NET Subscriptions and are backed by a 60 day unconditional money-back guarantee. FocusedRowHandle, gridView1. net button is clicked I am seeing some strange query speed results when using a view with an outer apply, I am doing a distinct count on 2 different columns in the view. With the availability of DXperience 2010. GridView just displays values provided by the CustomUnboundColumnData event. How to create an unbound column in the TreeList. So I Created two Unbounded Columns(Percentage, Amount) I calculate there through Unbound Expression. Helps you understand the basics of WPF, ranging from XAML and Markup Extensions to Panels and Data Binding. The DevExpress ASP. So the last column of DataGrid will take all available space including space of extra blank column and as a result you won't see any extra blank column in DataGrid. 03/30/2017; 2 minutes to read +7; In this article. All DevExpress WinForms controls can be localized using satellite resource assemblies. As shown in the. Increasingly numerous areas of life are governed by security policies and technologies. Base; using DevExpress. GridView just displays values provided by the CustomUnboundColumnData event. Use our frameworks and libraries to create amazing apps, documents, reports and dashboards. There are plenty of columns inside it. Here Mudassar Ahmed Khan has explained with an example, how to insert. Unbound columns are useful when you need to add columns to an existing data source, whereas Unbound Source is your best bet when no data source exists. UnboundExpression property or handle the CustomUnboundColumnData event. Add the new unbound column. Bootstrap tooltip and popover conflicts between DevExpress MVC - "Uncaught TypeError: $(). Unbound columns are not bound to any field in a data source. Win project to override the default functionality and add our own custom fields to notification listing on the pop-up screen, this view controller is shown below. It means that data for an unbound column should be stored by a developer himself in any external storage. 10: DevExpress / Winform TextEdit에서 천 단위로 끊어서 표기하기(ex: 2,300) (0) 2019. As for the approach to force the grid to recalculate the value of a particular unbound cell, the easiest way to accomplish this task is to call the grid's GetCellValue method and specify the fieldName argument as the field name of the unbound column you wish to refresh. Columns; private void Form1_Load(object sender, System. Chat Now Cart My Downloads Free Trial Log In. The result is displayed below: For another example which illustrates working with unbound columns, see the Unbound Columns tutorial. The problem appears because the column is marked as unbound. This event fires in two cases: Provide data for unbound columns. UnboundExpression property or by handling the CustomUnboundColumnData event. This page covers unbound columns, which help you display custom data within the Tree List control. These columns are not bound to any field in the underlying data source. These columns are not bound to fields in the data source, and data for these columns needs to be provided using expressions or a dedicated event. SetRowCellValue(gridView1. 6m developers to have your questions answered on Refresh RadGridview in Wpf of UI for WPF GridView. Let's take the previous example; witch is North African countries representation table. This causes the issue. The data you display in the DataGridView control will normally come from a data source of some kind, but you might want to display a column of data that does not come from the data source. Here's an example of the Expression Editor being invoked at run-time on an unbound column in an instance of an XtraGrid running in server mode. Organized 50 years after the great sculptor's first solo show in London, Prometheus Unbound: Early Works by Ernst Neizvestny from the Collection of Svetlana Lovetskaya will be on display at Bonhams. This event fires in two cases: Provide data for unbound columns. An unbound column, however, is one that meets the following two requirements:. In addition to columns bound to data source fields, you can create unbound columns to display data values calculated based on values of other columns. Now i need to add three more columns after last column dynamically and this columns contain checkbox, and this three columns is unbound and after gridview bind i try to loop within gridview and set the check status of column. 10: DevExpress / Winform 행의 색깔 변경하기 입니다. private void. In GridControl, you can create unbound (calculated) columns. Columns[" boundcolumn"], c); But I want to Set the this c value to Unbound Column. NET Subscriptions and are backed by a 60 day unconditional money-back guarantee. NET in the shortest possible time. The problem appears because the column is marked as unbound. Use our frameworks and libraries to create amazing apps, documents, reports and dashboards. The help topic contains the example of how to use this event. You can sort, group, display summaries and filter unbound columns in the same manner as bound columns. Click on the smart tag of the ASPxGridView and select Columns from the menu. DevExpress Bootstrap Data Editors are a powerful collection of data edit and multi-purpose server controls rendered using These controls can function in bound and unbound modes, both as. An unbound column, however, is one that meets the following two requirements:. Here Mudassar Ahmed Khan has explained with an example, how to insert. GridView just displays values provided by the CustomUnboundColumnData event. WinForms Grid - How to Validate Modified Rows I have already created three unbound columns using the Grid's designer, two of which have a using DevExpress. In this video you will learn how to apply data grouping to the Tile View, how to control the enabled state or check status of tiles depending on a field value and how to customize tile items using. As for the approach to force the grid to recalculate the value of a particular unbound cell, the easiest way to accomplish this task is to call the grid's GetCellValue method and specify the fieldName argument as the field name of the unbound column you wish to refresh. Columns share the available width of the control by default, so if users can resize the control—for example, if it is docked to a resizable form—they can also change. General Information: WinForms Controls. SetRowCellValue method, then it is necessary to handle the GridView. NET Subscriptions and are backed by a 60 day unconditional money-back guarantee. devexpress-windows-ui. Custom Column Content with Unbound Columns. The DevExpress ASP. : Test, News, Wertung, Download, Systemanforderungen, Release Termin. These columns can be populated manually by handling the ASPxGridView. Unbound columns are intended to allow the grid to manipulate with data (group, sort, calc summary and so on) which is not the part of the gridControl's DataSource. The DevExpress Pivot Grid for Blazor () allows you to display and analyze multi-dimensional data from the underlying data source. These columns are not bound to any field in the underlying data source. Use this component to calculate summaries and totals against specific values and display the results within the pivot table's cells. This task has now become much easier with expression support. DevExpress GridView: How to Calculate Customized Summary - BurnIgnorance Join a community of. How to display a unbound calculated data colum in Devexpress cxGrid? I'm using a Devexpress cxgrid to didplay a table's data, i want to have 1 column that can display data tha calculated from 2 other table columns , Who can know t do that? please hep me!. in this vidéo , you learn how to add a checkbox column to gridcontrol. "Aeroflot" plane PUBLIC JOINT-STOCK COMPANY "AEROFLOT" onboard which there is unbound to United States of America Maria Butina. The WPF grid now features a built-in Expression Editor that can be used to visually build complex expressions that can be applied to unbound columns. I have a DataGridView control in a form, and as of a day ago, when I click on the control, I get *no* properties listed in the Properties pane of the IDE. ShowFooter option is enabled. These columns are not bound to any field in the underlying data source. Let's take the previous example; witch is North African countries representation table. If you are using DevExpress libraries released after this date, you may notice slight differences in the Visual Studio design-time experience. The help topic contains the example of how to use this event. That is, when itisn't bound to any data source. Unbound columns are not bound to any field of the data source. I can able to set value to Bounded Column. This walkthrough is a transcript of the Unbound Columns video available on the DevExpress YouTube Channel. DevExpress is a company made up of developers with a rich understanding and deep appreciation for a diverse set of technologies, from Windows Forms (WinForms. Now i need to add three more columns after last column dynamically and this columns contain checkbox, and this three columns is unbound and after gridview bind i try to loop within gridview and set the check status of column. After researching the functionality we found that adding Unbound Fields to the notifications pop-up screen would be the best solution. Use our frameworks and libraries to create amazing apps, documents, reports and dashboards. Columns, rows. To specify how values for fields based on bound fields are calculated, use the Sales Person Format and Order Amount Rule combo. DataGridView allows you to create unbound (calculated) columns. 6m developers to have your questions answered on Refresh RadGridview in Wpf of UI for WPF GridView. As for the approach to force the grid to recalculate the value of a particular unbound cell, the easiest way to accomplish this task is to call the grid's GetCellValue method and specify the fieldName argument as the field name of the unbound column you wish to refresh. An autocomplete expression editor used to edit unbound column expressions. To specify how values for fields based on bound fields are calculated, use the Sales Person Format and Order Amount Rule combo boxes. amazon-cognito. The help topic contains the example of how to use this event. In this tutorial, you will learn how to add columns whose values are not stored in the data source and are calculated using a pre-defined expression or specified with an event handler. and how to add a find section to my gridcontrol. x GridView (Select Insert Update Delete) Kullanımı, DevExpress WinForms: Getting Started with the Grid Control, DevExpress WinForms Grid: Add or Remove Rows. It is not necessary to be a XAF guru, we can all manage to create a behavior taken from DevExpress code central. Use the two icons on the top left corner of the form to add or insert a new column. In this case, the GridView generates the CustomUnboundColumnData event which can be used to provide data to this column and save it. Instead, the GridView publishes the CustomUnboundColumnData event which can be used to provide data to the unbound column and also save it. de erfahren Sie alles zum Actionspiel The Fall Part 2: Unbound von Over The Moon Games Inc. DevExpress GridView: How to Calculate Customized Summary - BurnIgnorance Join a community of. DataSource = Query The DevExpress EntityServerModeDataSource component improves Change the Unbound column. Columns collection and set the following column properties. Keeping in mind what. Another solution can be to use the following to bind the data to the GridView. In this video you will learn how to apply data grouping to the Tile View, how to control the enabled state or check status of tiles depending on a field value and how to customize tile items using. The columns editor form you see below will appear. Also, you will find a lot of useful information abound unbound columns at: Unbound. After researching the functionality we found that adding Unbound Fields to the notifications pop-up screen would be the best solution. In addition to columns bound to data source fields, you can create unbound columns to display data values calculated based on values of other columns. Columns property. In this case, the GridView generates the CustomUnboundColumnData event which can be used to provide data to this column and save it. These columns must be populated with data manually. This example shows how to add a custom unbound column to the GridControl in ListView. An autocomplete expression editor used to edit unbound column expressions. In this video you will learn how to apply data grouping to the Tile View, how to control the enabled state or check status of tiles depending on a field value and how to customize tile items using. Net You and your end-users can add. After researching the functionality we found that adding Unbound Fields to the notifications pop-up screen would be the best solution. MVC This means unbound columns fully support all column features - sorting, grouping, filtering. So, to display a specific value in a cell, you need to pass a corresponding value to the e**. Total summaries are aggregate function values calculated against all rows in the ASPxGridView, and displayed in the grid footer, provided that the Settings. There is no difference between working with bound and unbound columns. C# Copy Code using DevExpress. The column will display check boxes within its cells. DevExpress is a company made up of developers with a rich understanding and deep appreciation for a diverse set of technologies, from Windows Forms (WinForms. In this demo, the Sales Person and Order Amount fields are unbound, and populated via the CustomUnboundFieldData event. How to create an unbound column in the TreeList. Take full advantage of touch•Animate data over time•Apply heavy-duty data visualization•Includes a wide range. Columns collection and set the following column properties. Columns collection and set the following column properties. Learn the basics of grouping data in the grid. XtraTreeList – Unbound ModeIn this lesson, you’ll learn how to work with the XtraTreeList Control in Unbound Mode. AllowCellMerge = true; 이와 같이 옵션을 설. 1, I'd like to highlight yet another feature that's new to the DevExpress Data Grid Control for WPF (DXGrid). Each eligible night completed at The Unbound Collection properties during the Promotion Period will count as two nights instead of one for the purpose of tier qualification for Discoverist, Explorist and. When i select the drop down and move into another row the previous row values are disappearing. Please see the Unbound Columns help topic for more information. Download The DevExpress ASP. Devexpress - Calculation based on footer row values in aspxgridview? The following Click event handler for that Button iterates through the GridView's Rows collection and, for each GridViewRow. 29: DevExpress / Winform Unbound Column 생성하기 입니다. As shown in the. Contribute to DevExpress-Examples/how-to-define-an-unbound-column-within-gridview-e2824 development by creating an account on GitHub. The help topic contains the example of how to use this event. Search Components, Applications, Add-ins and Cloud Services. Instead, the GridView publishes the CustomUnboundColumnData event which can be used to provide data to the unbound column and also save it. To create nodes, use the AppendNode method. That is, when itisn’t bound to any data source. OptionsSelection. The DevExpress Controls that support this new feature are the XtraGrid and XtraPivotGrid. UnboundExpression property or by handling the CustomUnboundColumnData event. The values of rows and columns start with 0. Data for these columns can be provided either by creating an expression via the GridColumn. These columns are not bound to any field in the underlying data source. cs (VB: Form1. NET to Java, from iOS to Android, from Python to PHP and ROR, and many others! DevExpress GridView: How to Calculate Customized Summary - BurnIgnorance. In code, expressions are assigned as simple strings. An unbound column's UnboundType property determines which default editor is used to represent column values. Unbound columns are not bound to any field of the data source. Use this component to calculate summaries and totals against specific values and display the results within the pivot table's cells. A feature-complete, multi-purpose, and data-aware TreeView-Grid control that has the ability to display information as a TREE, a GRID, or a combination of both - in either data bound or unbound mode with full data editing support. The WPF grid now features a built-in Expression Editor that can be used to visually build complex expressions that can be applied to unbound columns. The values of rows and columns start with 0. net button is clicked I am seeing some strange query speed results when using a view with an outer apply, I am doing a distinct count on 2 different columns in the view. How to: Add an Unbound Column to a Data-Bound Windows Forms DataGridView Control. The DevExpress ASP. It populates a column with custom values and allows you to create unbound columns - columns that are not bound to any individual data field. Data for these columns can be provided either by creating an expression via the GridColumn. In this case, if you change a value of a column that is used in this expression, the CellValueChanged event will not be raised for the unbound column. NET Grid View (ASPxGridView) ships with a multi-row header feature to help you organize grid columns into logical groups (bands). DevExpress Bootstrap Data Editors are a powerful collection of data edit and multi-purpose server controls rendered using These controls can function in bound and unbound modes, both as. First, let’s drop an XtraTreeList Control onto a form and make it fill the form. I am trying to fill their values using the event technique. If you wish to set a value of the unbound column via the GridView. That is, when itisn’t bound to any data source. Anyone is welcome to contribute and enjoy the rewards. OptionsView. The grid contains "Quantity", "UnitPrice" and "Discount" columns which are bound to the corresponding fields in the database table. GridView just displays values provided by the CustomUnboundColumnData event. The columns editor form you see below will appear. 6m developers to have your questions answered on Refresh RadGridview in Wpf of UI for WPF GridView. This causes the issue. 03/30/2017; 2 minutes to read +7; In this article. To invoke this dialog, click the ellipsis button next to the GridColumn. MS Access: Combo Boxes. These columns are not bound to fields in the data source, and data for these columns needs to be provided using expressions or a dedicated event. Here's an example of the Expression Editor being invoked at run-time on an unbound column in an instance of an XtraGrid running in server mode. DevExpress GridView CustomUnboundColumnData, e. Chat Now Cart My Downloads Free Trial Log In. / GridView with bound and unbound columns GridView with bound and unbound columns [Answered] RSS 2 replies. GridView does not cache values of an unbound column, because it is impossible to determine when the cache should be cleared automatically. The XtraGrid supports the Unbound Columns feature, which allows you to create a grid column not bound to any field in the grid's data source. Columns collection and set the following column properties. MultiSelectMode property to GridMultiSelectMode. Bound columns obtain their data from a control's data source. As shown in the. In GridControl, you can create unbound (calculated) columns. With DataBindings property, you. I’ll show you how to create a simple tree. DevExpress Bootstrap Data Editors are a powerful collection of data edit and multi-purpose server controls rendered using These controls can function in bound and unbound modes, both as. The help topic contains the example of how to use this event. 10: DevExpress / Winform 행의 색깔 변경하기 입니다. Values for this column need to be calculated manually, via a dedicated event or using an expression. There is no field for the total sum – you can use UnitPrice Quantity (1-Discount) to calculate it. Public Sub myTestFunction() 'To hide a column, set its width to zero or use MappingType. Filter recordset manually using the toolbar. These unbound fields are an equivalent of calculated columns provided by data sources. NET, MVC, WPF, VCL and JavaScript developers. The grid contains "Quantity", "UnitPrice" and "Discount" columns which are bound to the corresponding fields in the database table. It means that data for an unbound column should be stored by a developer himself in any external storage. Kendo mvc grid column template keyword after analyzing the system lists the list of keywords related. All you have to do is specify a unique value that identifies the node, and a parent node value, if needed. To use the text displayed in cells in those data processing operations, specify the calculateCellValue function instead. So, no additional event is required for sorting if you aren't going to perform custom sorting. Each eligible night completed at The Unbound Collection properties during the Promotion Period will count as two nights instead of one for the purpose of tier qualification for Discoverist, Explorist and. NET MVC, MVC GridView. Datagridview sort multiple columns. This page covers unbound columns, which help you display custom data within the Tree List control. Unbound column does not provide a storage to save its values. I'm calculating the values in some of these unbound cells through values on the form including other cells that are bound. IMPORTANT: This tutorial was published on 03/04/2009. amazon-cognito. In GridControl, you can create unbound (calculated) columns. To sort in descending order - click once more. Then I created "FocusedRowchanged" event and wrote code there to set values in Bounded column. I can able to set value to Bounded Column. In this demo, the Sales Person and Order Amount fields are unbound, and populated via the CustomUnboundFieldData event. I can successfully set the value of a cell, however, under no circumstances is the value being reflected on the UI. The Select extension for DataTables has the ability to show a checkbox column to allow row selection and this is a natural fit for FixedColumns where you can have the checkbox column fixed and easily accessible. Unbound columns are not bound to any field of the data source. Bootstrap tooltip and popover conflicts between DevExpress MVC - "Uncaught TypeError: $(). when i open All Supplier control and i try performing edit operation , the I have an unbound combo box that is set for displaying three columns and the bound column is one. Also, you will find a lot of useful information abound unbound columns at: Unbound. CustomDrawCell event isn't raised for the unbound column. : Test, News, Wertung, Download, Systemanforderungen, Release Termin. Security Unbound argues that when insecurities pervade how we relate to. The Data inside the gridcontrol is unbounded using EntityFramework. It means that data for an unbound column should be stored by a developer himself in any external storage. Example code snippet to add UnBound Column to Xtragrid: using DevExpress. Each grid column is represented in this array by an object containing column settings or by a data source field that this column is bound to. NET Tree List (ASPxTreeList) supports unbound mode. The values of rows and columns start with 0. Values for this column need to be calculated manually, via a dedicated event or using an expression. Instead, the GridView publishes the CustomUnboundColumnData event which can be used to provide data to the unbound column and also save it. Columns collection and set the following column properties. I just didn't check for a solution at the right place. Also, you will find a lot of useful information abound unbound columns at: Unbound. Then I created "FocusedRowchanged" event and wrote code there to set values in Bounded column. DevExpress / Winform 개별 차트 시리즈를 데이터에 바인딩 합니다 (0) 2019. c# - DevExpress Unbound column event not firing, WinForms I have created an unbound column which I intend to populate with calculated data; however, I am unable to get the CustomUnboundColumnData event to fire. DataGridView allows you to create unbound (calculated) columns. devexpress grid checkbox column, Feb 07, 2018 · To show a built-in CheckBox column, set the GridView. lopt_unbound. The help topic contains the example of how to use this event. DevExpress GridView: How to Calculate Customized Summary - BurnIgnorance Join a community of. So, no additional event is required for sorting if you aren't going to perform custom sorting. Unbound columns are sorted the same way as bound columns. Contribute to DevExpress-Examples/how-to-define-an-unbound-column-within-gridview-e2824 development by creating an account on GitHub. 4DevExpress. To create an unbound column in the grid, add an appropriate column object to the GridControl. 10 DevExpress / Winform TextEdit에서 천 단위로 끊어서 표기하기(ex: 2,300) 2019. How to display a unbound calculated data colum in Devexpress cxGrid? I'm using a Devexpress cxgrid to didplay a table's data, i want to have 1 column that can display data tha calculated from 2 other table columns , Who can know t do that? please hep me!. NET in the shortest possible time. Columns - Prior to v2009 vol 3, you needed to write event handlers to supply data for unbound columns. Same as like check box Column Edit,Text edit Column Edit need to be worked such as if user enters 100 in item id column cell value means then corresponding Item id row's should also be assigned as 100 as follows void repchkCheckbox_CellValueChanged(object sender, DevExpress. 세로 Merge GridView. That is, when itisn't bound to any data source. Unbound columns are not bound to any field of the data source. 10: DevExpress / Winform 행의 색깔 변경하기 입니다. To specify how values for fields based on bound fields are calculated, use the Sales Person Format and Order Amount Rule combo boxes. MultiSelectMode property to GridMultiSelectMode. Columns collection and set the following column properties. How to: Add an Unbound Column to Supply Additional Data The ASPxGridView control is bound to a data source that contains UnitPrice , Quantity and Discount fields. In this video, you will learn what columns are automatically created by the grid when it's bound to a data source, how to use the grid's integrated designer to manage the column collection and. To provide data for these columns, use the GridColumn. dll file from Developer Express Inc is part of DevExpressBonusSkins. I realize there is a right way to do this but for now, I would rather just get the value in javascript. Now i need to add three more columns after last column dynamically and this columns contain checkbox, and this three columns is unbound and after gridview bind i try to loop within gridview and set the check status of column. DevExpress MVC Extensions ship as part of DevExpress Universal, DXperience and ASP. DevExpress is a company made up of developers with a rich understanding and deep appreciation for a diverse set of technologies, from Windows Forms (WinForms. follow us on twitter @expandframework or simply Star/watch this repository and get notified from GitHub and its verbose RSS feeds - eXpandFramework/eXpand. NET Controls and Libraries ship as part of DevExpress Universal, DXperience and ASP. Developer documentation for all DevExpress products. But I cannot see that data is provided for this column. this code not working to Unbound Column. 10: DevExpress / Winform 행의 색깔 변경하기 입니다. The result is displayed below: For another example which illustrates working with unbound columns, see the Unbound Columns tutorial. Hi, My DataTable supports multiple row selection with a which allows me to select rows via checkboxes. 4DevExpress. The example below shows how to add an unbound column to the grid to display the amount of each order according to the expression: Quantity*UnitPrice*(1-Discount). DevExpress GridView CustomUnboundColumnData, e. DataSource = Query The DevExpress EntityServerModeDataSource component improves Change the Unbound column. Let’s work together to enhance our beloved XAF! Recently in Xpand forums Dionisis Soldatos raised a question about how unbound columns can be implemented with XAF. DevExpress / Winform Unbound Column 생성하기 입니다. NET Forums / Data Access / DataSource Controls - SqlDataSource, ObjectDataSource, etc. 03/30/2017; 2 minutes to read +7; In this article. Simply enable an appropriate option and the column's header menu will include a link to the Expression Editor. Optimisation of sharp distillation column configurations: A database supported package, PROMAX. The DevExpress Pivot Grid for Blazor () allows you to display and analyze multi-dimensional data from the underlying data source. Instead, the GridView publishes the CustomUnboundColumnData event which can be used to provide data to the unbound column and also save it. Then I created "FocusedRowchanged" event and wrote code there to set values in Bounded column. devexpress-windows-ui. DevExpress engineers feature-complete visual components and IDE tools for Visual Studio. 10: DevExpress / Winform 행의 색깔 변경하기 입니다. Devexpress Gridview Refresh Unbound Column - DevExpress WinForms Grid: Unbound Columns, ASP. in this vidéo , you learn how to add a checkbox column to gridcontrol. To create an unbound column in the grid, add a column object that corresponds to the type of data the column should display to the DataGridView. To create nodes, use the AppendNode method. This example shows how to add a custom unbound column to the GridControl in ListView. Intellisense Editor for Unbound Column Expressions - The WinForms Data Grid, TreeList and Vertical Grid controls utilize a new Expression Editor for editing unbound column expressions. 03/30/2017; 2 minutes to read +7; In this article. In addition to columns bound to specific fields of a data source, you can create unbound columns to display data values calculated according to a formula based on values of other columns. To make this event raised, you need to provide data for the unbound column. I need to add another columns to display the difference between these columns and i wanna make reddish the whole row if this custom column value is greater than 400INR. The DevExpress ASP.