ModificationStatement Class

Serves as the base class for classes that represent modification statements.

Namespace: DevExpress.Xpo.DB

Assembly: DevExpress.Data.v18.1.dll

Declaration

C#

public abstract class ModificationStatement :
    BaseStatement

VB.NET

Public MustInherit Class ModificationStatement
    Inherits BaseStatement

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the ModificationStatement class.

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_how-to-prevent-altering-the-legacy-database-schema-when-creating-an-xaf-application-e1150/CS/WinWebSolution.Module/XpoDataStoreProxy.cs#L48

}
public ModificationResult ModifyData(params ModificationStatement[] dmlStatements) {
    List<ModificationStatement> legacyChanges = new List<ModificationStatement>(dmlStatements.Length);

XPO_how-to-prevent-xpo-from-making-any-changes-to-a-legacy-database-e849/CS/ReadOnlyDataStore.cs#L12

public ReadOnlyDataStore(IDataStore nestedProvider) : base(nestedProvider) { }
protected override ModificationResult ProcessModifyData(params ModificationStatement[] dmlStatements) {
    throw new InvalidOperationException("Cannot modify data.");

XPO_how-to-reopen-a-broken-connection-when-using-a-postgresql-database-e3086/CS/SafePostgreSqlConnectionProvider.cs#L81

ModificationResult IDataStore.ModifyData(params ModificationStatement[] dmlStatements) {
    try {

VB.NET

XAF_how-to-prevent-altering-the-legacy-database-schema-when-creating-an-xaf-application-e1150/VB/WinWebSolution.Module/XpoDataStoreProxy.vb#L49

End Property
Public Function ModifyData(ByVal ParamArray dmlStatements() As ModificationStatement) As ModificationResult Implements IDataStore.ModifyData
    Dim legacyChanges As New List(Of ModificationStatement)(dmlStatements.Length)

XPO_how-to-prevent-xpo-from-making-any-changes-to-a-legacy-database-e849/VB/ReadOnlyDataStore.vb#L16

End Sub
Protected Overrides Function ProcessModifyData(ParamArray ByVal dmlStatements() As ModificationStatement) As ModificationResult
    Throw New InvalidOperationException("Cannot modify data.")

XPO_how-to-reopen-a-broken-connection-when-using-a-postgresql-database-e3086/VB/SafePostgreSqlConnectionProvider.vb#L86

Private Function IDataStore_ModifyData(ParamArray ByVal dmlStatements() As ModificationStatement) As ModificationResult Implements IDataStore.ModifyData
    Try

Inheritance

Object

JoinNode

BaseStatement

ModificationStatement

DeleteStatement

InsertStatement

UpdateStatement