diff --git a/Areas/MMS/Controllers/MarineController.cs b/Areas/MMS/Controllers/MarineController.cs
index 2095ee5..68c3262 100644
--- a/Areas/MMS/Controllers/MarineController.cs
+++ b/Areas/MMS/Controllers/MarineController.cs
@@ -10,10 +10,11 @@ using System.Threading;
 using System.Collections.Generic;
 using Microsoft.Data.SqlClient;
 using Microsoft.EntityFrameworkCore;
+using MySqlConnector;
 
 namespace PSTW_CentralSystem.Areas.MMS.Controllers
 {
-    public class SimpleTarballDto
+    public class TarballPdfDto
     {
         // From tbl_marine_tarball
         public int Id { get; set; }
@@ -58,8 +59,7 @@ namespace PSTW_CentralSystem.Areas.MMS.Controllers
         {
             try
             {
-                var marineTarballs = _context.MarineTarballs //error=========================================== 
-                    .Where(t => t.StationID != "1") // To remove unusable data with invalid stationID
+                var marineTarballs = _context.MarineTarballs //ERRORRRRRRR======================================
                     .Select(t => new
                     {
                         t.Id,
@@ -287,7 +287,7 @@ namespace PSTW_CentralSystem.Areas.MMS.Controllers
                 WHERE marine.Id = @id";
 
                 var tarball = await _context.Database
-                    .SqlQueryRaw<TarballPdfDto>(query, new SqlParameter("@id", id))
+                    .SqlQueryRaw<TarballPdfDto>(query, new MySqlParameter("@id", id))
                     .FirstOrDefaultAsync();
 
                 if (tarball == null)
@@ -413,31 +413,6 @@ namespace PSTW_CentralSystem.Areas.MMS.Controllers
             }
         }
 
-        // Add this class outside your controller (e.g., in a DTOs folder)
-        public class TarballPdfDto
-        {
-            public string StateName { get; set; }
-            public string StationID { get; set; }
-            public string LocationName { get; set; }
-            public string Longitude { get; set; }
-            public string Latitude { get; set; }
-            public DateTime DateSample { get; set; }
-            public TimeSpan TimeSample { get; set; }
-            public string ClassifyID { get; set; }
-            public int TarBallYes { get; set; }  // SQL returns 1/0 for bits
-            public int TarBallNo { get; set; }
-            public int IsSand { get; set; }
-            public int IsNonSandy { get; set; }
-            public int IsCoquina { get; set; }
-            public string OptionalName1 { get; set; }
-            public string OptionalName2 { get; set; }
-            public string OptionalName3 { get; set; }
-            public string OptionalName4 { get; set; }
-            public string FirstSampler { get; set; }
-            public string FullName { get; set; }
-            public string LevelName { get; set; }
-        }
-
         private bool IsImageValid(string imagePath)
         {
             try
diff --git a/DBContext/MMSSystemContext.cs b/DBContext/MMSSystemContext.cs
index 95abc40..bf5474e 100644
--- a/DBContext/MMSSystemContext.cs
+++ b/DBContext/MMSSystemContext.cs
@@ -46,12 +46,16 @@ namespace PSTW_CentralSystem.DBContext
                 entity.Property(e => e.OptionalName4).HasColumnName("optionalName4");
                 entity.Property(e => e.Timestamp).HasColumnName("timestamp");
 
+                entity.HasOne(t => t.User)
+                  .WithMany()
+                  .HasForeignKey(t => t.FirstSampler)
+                  .HasPrincipalKey(u => u.FullName); // Assuming User has FullName
+
                 //Configure relationship with TarballStation
                 entity.HasOne(m => m.MarineStation)
                     .WithMany()
                     .HasForeignKey(m => m.StationID)
                     .HasPrincipalKey(t => t.StationID);
-
             });
 
             modelBuilder.Entity<MarineStation>(entity =>
diff --git a/Models/MarineTarball.cs b/Models/MarineTarball.cs
index fd55026..9321a85 100644
--- a/Models/MarineTarball.cs
+++ b/Models/MarineTarball.cs
@@ -34,7 +34,7 @@ namespace PSTW_CentralSystem.Models
         [ForeignKey("StationID")]
         public required MarineStation MarineStation { get; set; }
         [ForeignKey("FirstSampler")]
-        public required MarineStation User { get; set; }
+        public required User User { get; set; }
     }
 
     public class MarineStation