GetColumnSchemaAsync()

virtual Task< ReadOnlyCollection< DbColumn > > System.Data.Common.DbDataReader.GetColumnSchemaAsync ( CancellationToken cancellationToken = default(CancellationToken) )

inlinevirtual

Definition at line 99 of file DbDataReader.cs.

    {
        if (cancellationToken.IsCancellationRequested)
        {
            return Task.FromCanceled<ReadOnlyCollection<DbColumn>>(cancellationToken);
        }
        try
        {
            return Task.FromResult(this.GetColumnSchema());
        }
        catch (Exception exception)
        {
            return Task.FromException<ReadOnlyCollection<DbColumn>>(exception);
        }
    }

References System.cancellationToken, System.exception, System.Threading.Tasks.Task< TResult >.FromCanceled(), and System.Threading.Tasks.Task< TResult >.FromException().