Add new custom column in gridcontrol devexpress

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I am new to Devexpress. Now i need help from anybody to go ahead. I have a gridcontrol in a windows application. The Data inside the gridcontrol is unbounded using EntityFramework. There are plenty of columns inside it. There are two columns named AmountDroppped and TransactionAmount. 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. Is there any way to do this without using code behind and stored procedure. Hope there might be a one.

Posted 9-Aug-14 19:59pm

Sreejesh T J Nair

Updated 9-Aug-14 20:11pm

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2 solutions

Solution 1

These might help -
https://documentation.devexpress.com/#WindowsForms/CustomDocument1477[^]
https://documentation.devexpress.com/#WPF/CustomDocument6094[^]

You might also want to check DevExpress forums.

Posted 9-Aug-14 21:14pm

Abhinav S

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Sreejesh T J Nair · Accepted Answer · 2014-08-23T19:46:00

C#

using DevExpress.XtraGrid.Columns;
//...
GridColumn columnDiff = new GridColumn();
columnDiff.FieldName = "amountDiff";
columnDiff.Caption = "Diff";
columnDiff.UnboundType = DevExpress.Data.UnboundColumnType.Decimal;
columnDiff.UnboundExpression = "[TransactionAmount] - [AmountDroppped]";
gridView1.Columns.Add(columnDiff);

To conditionally highlight some specific rows I suggest you use the Style Format Conditions feature:

C#

using DevExpress.XtraGrid;


StyleFormatCondition condition = new DevExpress.XtraGrid.StyleFormatCondition();
condition.Appearance.BackColor = Color.Red;
condition.Appearance.Options.UseBackColor = true;
condition.ApplyToRow = true;
condition.Condition = FormatConditionEnum.Expression;
condition.Expression = "([TransactionAmount] - [AmountDroppped]) > 400";
gridView1.FormatConditions.Add(condition);