IObjectDataSourceWizardTypeProvider.GetAvailableTypes(String) Method

Returns the list of types to display in the Report Wizard and Data Source Wizard.

Namespace: DevExpress.DataAccess.Web

Assembly: DevExpress.DataAccess.v23.2.dll

NuGet Packages: DevExpress.DataAccess, DevExpress.Win.PivotGrid, DevExpress.Win.TreeMap

Declaration

C#

IEnumerable<Type> GetAvailableTypes(
    string context
)

VB.NET

Function GetAvailableTypes(
    context As String
) As IEnumerable(Of Type)

Parameters

Name	Type	Description
context	String	For internal use.

Returns

Type	Description
IEnumerable<Type>	The list of types to display in the Report Wizard and Data Source Wizard.

Remarks

The Report Wizard and Data Source Wizard sort types alphabetically. They use the type’s namespace and name. If you apply the DisplayName attribute to a type, the specified display name is used instead.

DisplayName is Not Applied	DisplayName Is Applied

The code sample below shows how to implement the GetAvailableTypes method.

C#

using System;
using System.Collections.Generic;
using DevExpress.DataAccess.Web;
// ...
public class CustomObjectDataSourceWizardTypeProvider : IObjectDataSourceWizardTypeProvider {
    public IEnumerable<Type> GetAvailableTypes(string context) {
        return new[] {
            typeof(SampleObjectTypes.DataSource),
            typeof(SampleObjectTypes.DataSource2)
        };
    }
}

VB.NET

Imports System
Imports System.Collections.Generic
Imports DevExpress.DataAccess.Web
' ...
Public Class CustomObjectDataSourceWizardTypeProvider
    Implements IObjectDataSourceWizardTypeProvider

    Public Function GetAvailableTypes(ByVal context As String) As IEnumerable(Of Type) Implements IObjectDataSourceWizardTypeProvider.GetAvailableTypes
        Return { GetType(SampleObjectTypes.DataSource), GetType(SampleObjectTypes.DataSource2) }
    End Function
End Class