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V25.1
  • .NET 8.0+

    Session.UpdateSchemaAsync(CancellationToken, Assembly[]) Method

    Asynchronously updates the storage schema according to the class descriptions that are listed in the specified assemblies.

    Namespace: DevExpress.Xpo

    Assembly: DevExpress.Xpo.v25.1.dll

    NuGet Package: DevExpress.Xpo

    Declaration

    public Task UpdateSchemaAsync(
        CancellationToken cancellationToken,
        params Assembly[] assemblies
    )

    Parameters

    Name Type Description
    cancellationToken CancellationToken

    A CancellationToken object that delivers a cancellation notice to the running operation.

    assemblies Assembly[]

    An array of Assembly objects that represent the assemblies used to scan for persistent objects.

    Returns

    Type Description
    Task

    A Task that updates the storage schema according to the class descriptions that are listed in the specified assemblies.

    Remarks

    using System.Reflection;
    using System.Threading;
    using System.Threading.Tasks;
    using DevExpress.Xpo;
    using DevExpress.Xpo.DB;
    // ...
    public async Task CreateDatabase(string connectionString, params Assembly[] assemblies) {
        using(IDataLayer dal = XpoDefault.GetDataLayer(connectionString, AutoCreateOption.DatabaseAndSchema)) {
            UnitOfWork uow = new UnitOfWork(dal);
            await uow.UpdateSchemaAsync(CancellationToken.None, assemblies);
            await uow.CreateObjectTypeRecordsAsync(CancellationToken.None, assemblies);
        }
    }
    
    See Also