[Firebird-net-provider] [FB-Tracker] Created: (DNET-913) System.InvalidCastException: Object cannot be cast from DBNull to other types.

[Jiri C. (JIRA) <tr...@fi...>]

System.InvalidCastException: Object cannot be cast from DBNull to other types.
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                 Key: DNET-913
                 URL: http://tracker.firebirdsql.org/browse/DNET-913
             Project: .NET Data provider
          Issue Type: Bug
          Components: Entity Framework Core
    Affects Versions: 7.1.1.0
            Reporter: Jiri Cincura
            Assignee: Jiri Cincura
            Priority: Minor


System.InvalidCastException: Object cannot be cast from DBNull to other types.

   at System.DBNull.System.IConvertible.ToInt32(IFormatProvider provider)

   at System.Convert.ToInt32(Object value, IFormatProvider provider)

   at FirebirdSql.Data.Common.DbValue.GetInt32()

   at FirebirdSql.Data.FirebirdClient.FbDataReader.<GetInt32>b__51_0(Int32 x)

   at FirebirdSql.Data.FirebirdClient.FbDataReader.CheckedGetValue[T](Func`2 f, Int32 index)

   at FirebirdSql.Data.FirebirdClient.FbDataReader.GetInt32(Int32 i)

   at lambda_method(Closure , DbDataReader )

   at Microsoft.EntityFrameworkCore.Storage.Internal.NoopExecutionStrategy.Execute[TState,TResult](TState state, Func`3 operation, Func`3 verifySucceeded)

   at System.Linq.Enumerable.SelectEnumerableIterator`2.MoveNext()

   at Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider._TrackEntities[TOut,TIn](IEnumerable`1 results, QueryContext queryContext, IList`1 entityTrackingInfos, IList`1 entityAccessors)+MoveNext()

   at Microsoft.EntityFrameworkCore.Query.Internal.LinqOperatorProvider.ExceptionInterceptor`1.EnumeratorExceptionInterceptor.MoveNext()

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