CalculatedField Class

A calculated field that allows you to apply complex expressions to data fields obtained from the data source.

Namespace: DevExpress.DashboardCommon

Assembly: DevExpress.Dashboard.v18.2.Core.dll

Declaration

public class CalculatedField :
    INamedItem,
    INameContainer,
    ISupportPrefix
Public Class CalculatedField
    Implements INamedItem,
               INameContainer,
               ISupportPrefix

Remarks

DevExpress Dashboard allows you to create calculated fields for the following data source types.

To manage calculated fields of the specified data source, use the CalculatedFields property (for instance, DashboardSqlDataSource.CalculatedFields for SQL data sources or DashboardExcelDataSource.CalculatedFields for Excel data sources).

To learn more about calculated fields, see the following topics.

Examples

The following code snippet shows how to create a new calculated field based on the values of the 'UnitPrice' and 'Discount' data fields, and add it to the existing DashboardSqlDataSource.

using DevExpress.DashboardCommon;
//...

            CalculatedField priceWithDiscount = new CalculatedField("[UnitPrice] * (1 - [Discount])");
            priceWithDiscount.DataMember = "SalesPerson";
            priceWithDiscount.Name = "Price with discount";
            sqlDataSource.CalculatedFields.Add(priceWithDiscount);

Inheritance

Object
CalculatedField

Implements

DevExpress.DashboardCommon.Native.INameContainer
DevExpress.DataAccess.Native.INamedItem
DevExpress.DataAccess.Native.ISupportPrefix
See Also