diff --git a/DbContextExtensions.vb b/DbContextExtensions.vb
index 3273ae3..737328c 100644
--- a/DbContextExtensions.vb
+++ b/DbContextExtensions.vb
@@ -1,8 +1,9 @@
-Imports System.Reflection
+Imports System.ComponentModel.DataAnnotations
+Imports System.Linq.Dynamic.Core
+Imports System.Reflection
 Imports System.Runtime.CompilerServices
 Imports Microsoft.EntityFrameworkCore
 Imports Microsoft.EntityFrameworkCore.Internal
-Imports System.Linq.Dynamic.Core
 
 
 Namespace Extensiones
@@ -33,7 +34,21 @@ Namespace Extensiones
                     If Tabla Is Nothing Then Throw New Exception("Tabla " & NombreTablaBase & " no encontrada")
                     Dim Campo = Tabla.FindProperty(NombreCampo)
                     If Campo Is Nothing Then
-                        Return -1 ' Throw New Exception("No existe el campo " & NombreCampo & " en la tabla " & NombreTablaBase)
+                        Dim tipo = AppDomain.CurrentDomain.GetAssemblies().SelectMany(Function(a) a.GetTypes()).FirstOrDefault(Function(t) t.FullName = EspacioNombres & "." + NombreTablaBase)
+
+                        If tipo IsNot Nothing Then
+                            Dim propiedad = tipo.GetProperty(NombreCampo)
+                            Dim maxLengthAttr = propiedad?.GetCustomAttribute(Of MaxLengthAttribute)()
+
+                            If maxLengthAttr IsNot Nothing Then
+                                Dim max As Integer = maxLengthAttr.Length
+                                Return max
+                            Else
+                                Return -1
+                            End If
+                        Else
+                            Return -1
+                        End If
                     Else
                         Dim LongitudCampo As Integer? = Campo.GetMaxLength()
 
diff --git a/tsEFCore8.vbproj b/tsEFCore8.vbproj
index 1fe6811..ff72b6a 100644
--- a/tsEFCore8.vbproj
+++ b/tsEFCore8.vbproj
@@ -11,11 +11,12 @@
 		<TargetFramework>net8.0</TargetFramework>
 		<PackageId>tsEFCore8</PackageId>
 		<PackageTags>net8.0, libreria</PackageTags>
-		<Version>1.0.3</Version>
+		<Version>1.0.5</Version>
 		<Authors>Pedro</Authors>
 		<Company>Tecnosis S.A</Company>
 		<Description>Utilidades Entity Framework compatibles con EF Core 8.</Description>
 		<PackageReleaseNotes>
+			- 1.0.5		2026-03-18 Se comprueba el atributo MaxLength en ObtieneLongitudCampo en caso de que no se encuentre la propiedad 
 			- Se agrega README.md
 		</PackageReleaseNotes>
 		<PackageReadmeFile>README.md</PackageReadmeFile>