XtraReportBase.GetPreviousColumnValue<T>(String) Method

Gets the previous value (strongly typed) of the specified column in the report’s XtraReportBase.DataSource.

Namespace: DevExpress.XtraReports.UI

Assembly: DevExpress.XtraReports.v18.2.dll

Declaration

C#

public T GetPreviousColumnValue<T>(
    string columnName
)

VB.NET

Public Function GetPreviousColumnValue(Of T)(
    columnName As String
) As T

Parameters

Name	Type	Description
columnName	String	A String, specifying the name of the column whose value to be obtained.

Type Parameters

Name
T

Returns

Type	Description
T	A <T> object that corresponds to the previous value of the specified column in the data source. If the specified column was not found, this method returns null (Nothing in Visual Basic).

Remarks

Use the GetPreviousColumnValue<T>, XtraReportBase.GetCurrentColumnValue<T> and XtraReportBase.GetNextColumnValue<T> methods to determine the value of the specified data column when creating a report, for example, in the XRControl.BeforePrint event handler.