IndexedAttribute(String) Constructor

Initializes a new instance of the IndexedAttribute class with the specified names of additional columns.

Namespace: DevExpress.Xpo

Assembly: DevExpress.Xpo.v24.2.dll

Declaration

C#

public IndexedAttribute(
    string additionalFields
)

VB.NET

Public Sub New(
    additionalFields As String
)

Parameters

Name	Type	Description
additionalFields	String	A string value that specifies the names of additional columns, separated by a semicolon. This value is parsed and assigned to the IndexedAttribute.AdditionalFields property.

Remarks

Note

XPO does not support tables with multi-column (compound) keys or indexes in ASE databases. To avoid exceptions when connecting to ASE databases containing these tables, use one-column keys or indexes.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the IndexedAttribute(String) constructor.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

xaf-web-forms-use-oauth2-authentication-providers/CS/MySolution.Module/BusinessObjects/ApplicationUserLoginInfo.cs#L15

[Indexed("ProviderUserKey", Unique = true)]
[Appearance("PasswordProvider", Enabled = false, Criteria = "!(IsNewObject(this)) and LoginProviderName == '" + SecurityDefaults.PasswordAuthentication + "'", Context = "DetailView")]

xaf-how-to-change-connection-to-the-database-at-runtime/CS/XPO/NET_Framework/RuntimeDbChooser.Module/BusinessObjects/ApplicationUserLoginInfo.cs#L15

[Indexed("ProviderUserKey", Unique = true)]
[Appearance("PasswordProvider", Enabled = false, Criteria = "!(IsNewObject(this)) and LoginProviderName == '" + SecurityDefaults.DefaultClaimsIssuer + "'", Context = "DetailView")]

xaf-custom-logon-parameters/CS/XPO/WebForms/CustomLogonXPOWeb/CustomLogonXPOWeb.Module/BusinessObjects/ApplicationUserLoginInfo.cs#L15

[Indexed("ProviderUserKey", Unique = true)]
[Appearance("PasswordProvider", Enabled = false, Criteria = "!(IsNewObject(this)) and LoginProviderName == '" + SecurityDefaults.PasswordAuthentication + "'", Context = "DetailView")]

VB.NET

xaf-web-forms-use-oauth2-authentication-providers/VB/MySolution.Module/BusinessObjects/ApplicationUserLoginInfo.vb#L19

<Indexed("ProviderUserKey", Unique:=True), Appearance("PasswordProvider", Enabled:=False, Criteria:="!(IsNewObject(this)) and LoginProviderName == '" & SecurityDefaults.PasswordAuthentication & "'", Context:="DetailView")>
Public Property LoginProviderName() As String Implements ISecurityUserLoginInfo.LoginProviderName