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