IDtRecordsetUserData.UserData

Syntax

Description

The UserData property determines advanced settings in the XML format for custom data source or consumer.

Comments

Features of work with the XML files are presented on theExample of Working with XML Files page.

Example

Connect the Dt, MathFin, Metabase, Xml system assemblies.

Class MyProvider: Object, IDtRecordsetProvider, IDtRecordsetUserData
    UserD: IXmlDomElement;

    Public Function Fetch: Array Of Variant;
        Var
            ResArray: Array[0..1, 0..10] Of Variant;
            i, j: integer;
        Begin
            For j := 0 To 10 Do
                For i := 0 To 1 Do
                    If i = 0 Then
                        ResArray[i, j] := "Code-" + j.ToString;
                    Else
                        ResArray[i, j] := Math.RandBetween(0, 100);
                    End If;
                End For;
            End For;
            Return ResArray;
    End Function Fetch;

    Public Function get_userData: IXmlDomElement;
        Begin
            Return UserD;
    End Function get_userData;

    Public Sub set_userData(value: IXmlDomElement);
        Begin
            UserD := value;
    End Sub set_userData;

End Class MyProvider;

The example is a macro containing implementation of:

The method importing data using custom algorithm. During import array, that contains two data columns, is collected. There are symbolic values in the first column and random real numbers in range from 0 to 100 in the second.
The property determining advanced settings in the XML format for custom data source or consumer.