diff --git a/RazorPagesMovie/Migrations/20260819120324_ChangeAdminUserAndContactMessageIdToGuid.Designer.cs b/RazorPagesMovie/Migrations/20260819120324_ChangeAdminUserAndContactMessageIdToGuid.Designer.cs
new file mode 100644
index 0000000..f6b8e50
--- /dev/null
+++ b/RazorPagesMovie/Migrations/20260819120324_ChangeAdminUserAndContactMessageIdToGuid.Designer.cs
@@ -0,0 +1,124 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using RazorPagesMovie.Data;
+
+#nullable disable
+
+namespace RazorPagesMovie.Migrations
+{
+    [DbContext(typeof(RazorPagesMovieContext))]
+    [Migration("20260819120324_ChangeAdminUserAndContactMessageIdToGuid")]
+    partial class ChangeAdminUserAndContactMessageIdToGuid
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.28")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("RazorPagesMovie.Models.AdminUser", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Username")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("AdminUser");
+                });
+
+            modelBuilder.Entity("RazorPagesMovie.Models.ContactMessage", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uniqueidentifier");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasMaxLength(200)
+                        .HasColumnType("nvarchar(200)");
+
+                    b.Property<string>("Message")
+                        .IsRequired()
+                        .HasMaxLength(5000)
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasMaxLength(100)
+                        .HasColumnType("nvarchar(100)");
+
+                    b.Property<bool>("NotificationSent")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("Phone")
+                        .HasMaxLength(30)
+                        .HasColumnType("nvarchar(30)");
+
+                    b.Property<DateTime>("SentAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Subject")
+                        .HasMaxLength(150)
+                        .HasColumnType("nvarchar(150)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("ContactMessage");
+                });
+
+            modelBuilder.Entity("RazorPagesMovie.Models.Movie", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Genre")
+                        .IsRequired()
+                        .HasMaxLength(30)
+                        .HasColumnType("nvarchar(30)");
+
+                    b.Property<decimal>("Price")
+                        .HasColumnType("decimal(18, 2)");
+
+                    b.Property<string>("Rating")
+                        .IsRequired()
+                        .HasMaxLength(5)
+                        .HasColumnType("nvarchar(5)");
+
+                    b.Property<DateTime>("ReleaseDate")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasMaxLength(60)
+                        .HasColumnType("nvarchar(60)");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Movie");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/RazorPagesMovie/Migrations/20260819120324_ChangeAdminUserAndContactMessageIdToGuid.cs b/RazorPagesMovie/Migrations/20260819120324_ChangeAdminUserAndContactMessageIdToGuid.cs
new file mode 100644
index 0000000..aa231f3
--- /dev/null
+++ b/RazorPagesMovie/Migrations/20260819120324_ChangeAdminUserAndContactMessageIdToGuid.cs
@@ -0,0 +1,99 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace RazorPagesMovie.Migrations
+{
+    /// <inheritdoc />
+    public partial class ChangeAdminUserAndContactMessageIdToGuid : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropPrimaryKey(
+                name: "PK_ContactMessage",
+                table: "ContactMessage");
+
+            migrationBuilder.DropColumn(
+                name: "Id",
+                table: "ContactMessage");
+
+            migrationBuilder.AddColumn<Guid>(
+                name: "Id",
+                table: "ContactMessage",
+                type: "uniqueidentifier",
+                nullable: false,
+                defaultValueSql: "NEWID()");
+
+            migrationBuilder.AddPrimaryKey(
+                name: "PK_ContactMessage",
+                table: "ContactMessage",
+                column: "Id");
+
+            migrationBuilder.DropPrimaryKey(
+                name: "PK_AdminUser",
+                table: "AdminUser");
+
+            migrationBuilder.DropColumn(
+                name: "Id",
+                table: "AdminUser");
+
+            migrationBuilder.AddColumn<Guid>(
+                name: "Id",
+                table: "AdminUser",
+                type: "uniqueidentifier",
+                nullable: false,
+                defaultValueSql: "NEWID()");
+
+            migrationBuilder.AddPrimaryKey(
+                name: "PK_AdminUser",
+                table: "AdminUser",
+                column: "Id");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropPrimaryKey(
+                name: "PK_ContactMessage",
+                table: "ContactMessage");
+
+            migrationBuilder.DropColumn(
+                name: "Id",
+                table: "ContactMessage");
+
+            migrationBuilder.AddColumn<int>(
+                name: "Id",
+                table: "ContactMessage",
+                type: "int",
+                nullable: false)
+                .Annotation("SqlServer:Identity", "1, 1");
+
+            migrationBuilder.AddPrimaryKey(
+                name: "PK_ContactMessage",
+                table: "ContactMessage",
+                column: "Id");
+
+            migrationBuilder.DropPrimaryKey(
+                name: "PK_AdminUser",
+                table: "AdminUser");
+
+            migrationBuilder.DropColumn(
+                name: "Id",
+                table: "AdminUser");
+
+            migrationBuilder.AddColumn<int>(
+                name: "Id",
+                table: "AdminUser",
+                type: "int",
+                nullable: false)
+                .Annotation("SqlServer:Identity", "1, 1");
+
+            migrationBuilder.AddPrimaryKey(
+                name: "PK_AdminUser",
+                table: "AdminUser",
+                column: "Id");
+        }
+    }
+}
diff --git a/RazorPagesMovie/Migrations/RazorPagesMovieContextModelSnapshot.cs b/RazorPagesMovie/Migrations/RazorPagesMovieContextModelSnapshot.cs
index c633a99..a5c9e8e 100644
--- a/RazorPagesMovie/Migrations/RazorPagesMovieContextModelSnapshot.cs
+++ b/RazorPagesMovie/Migrations/RazorPagesMovieContextModelSnapshot.cs
@@ -24,11 +24,9 @@ namespace RazorPagesMovie.Migrations
 
             modelBuilder.Entity("RazorPagesMovie.Models.AdminUser", b =>
                 {
-                    b.Property<int>("Id")
+                    b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("int");
-
-                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+                        .HasColumnType("uniqueidentifier");
 
                     b.Property<string>("PasswordHash")
                         .IsRequired()
@@ -46,11 +44,9 @@ namespace RazorPagesMovie.Migrations
 
             modelBuilder.Entity("RazorPagesMovie.Models.ContactMessage", b =>
                 {
-                    b.Property<int>("Id")
+                    b.Property<Guid>("Id")
                         .ValueGeneratedOnAdd()
-                        .HasColumnType("int");
-
-                    SqlServerPropertyBuilderExtensions.UseIdentityColumn(b.Property<int>("Id"));
+                        .HasColumnType("uniqueidentifier");
 
                     b.Property<string>("Email")
                         .IsRequired()