![]() The column will display decimal values in this case. ![]() Then, set the column’s GridColumn.UnboundType property to any value other than UnboundColumnType.Bound. Click the first created column and set its GridColumn.FieldName to a unique string: “DiscountAmount”. Click Add Column twice to create two new columns. Select a grid control and then click its smart tag. Creating Unbound Columns and Specifying Expressions for them at Design Time You’ll also see how you can provide separate storage for values displayed in these unbound columns.ĭata for the unbound columns will be calculated based on values of the Quantity, UnitPrice and Discount columns. 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. This walkthrough is a transcript of the Unbound Columns video available on the DevExpress YouTube Channel.
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