diff --git a/api/src/Sozsoft.Platform.DbMigrator/Seeds/WizardDataSeeder.cs b/api/src/Sozsoft.Platform.DbMigrator/Seeds/WizardDataSeeder.cs
index bd94387..a5d3b51 100644
--- a/api/src/Sozsoft.Platform.DbMigrator/Seeds/WizardDataSeeder.cs
+++ b/api/src/Sozsoft.Platform.DbMigrator/Seeds/WizardDataSeeder.cs
@@ -31,7 +31,6 @@ public class WizardDataSeeder : IDataSeedContributor, ITransientDependency
     private readonly IRepository<LanguageText, Guid> _repoLangText;
     private readonly IRepository<PermissionGroupDefinitionRecord, Guid> _repoPermGroup;
     private readonly IRepository<PermissionDefinitionRecord, Guid> _repoPerm;
-    private readonly IPermissionGrantRepository _permissionGrantRepository;
     private readonly IRepository<Menu, Guid> _repoMenu;
     private readonly IRepository<DataSource, Guid> _repoDataSource;
     private readonly IRepository<ListForm, Guid> _repoListForm;
@@ -47,7 +46,6 @@ public class WizardDataSeeder : IDataSeedContributor, ITransientDependency
         IRepository<LanguageText, Guid> repoLangText,
         IRepository<PermissionGroupDefinitionRecord, Guid> repoPermGroup,
         IRepository<PermissionDefinitionRecord, Guid> repoPerm,
-        IPermissionGrantRepository permissionGrantRepository,
         IRepository<Menu, Guid> repoMenu,
         IRepository<DataSource, Guid> repoDataSource,
         IRepository<ListForm, Guid> repoListForm,
@@ -59,7 +57,6 @@ public class WizardDataSeeder : IDataSeedContributor, ITransientDependency
         _repoLangText = repoLangText;
         _repoPermGroup = repoPermGroup;
         _repoPerm = repoPerm;
-        _permissionGrantRepository = permissionGrantRepository;
         _repoMenu = repoMenu;
         _repoDataSource = repoDataSource;
         _repoListForm = repoListForm;
@@ -337,6 +334,56 @@ public class WizardDataSeeder : IDataSeedContributor, ITransientDependency
             await _repoListFormWorkflow.DeleteManyAsync(existingWorkflowCriteria, autoSave: true);
         }
 
+        // EditingForm'da required olan alanları tespit et, ValidationRuleJson eklemek için
+        var editingFormFieldNames = input.Groups
+            .SelectMany(g => g.Items)
+            .Where(i => i.IncludeInEditingForm && i.DataField != input.KeyFieldName)
+            .Select(i => new { FieldName = i.DataField, Isrequired = i.IsRequired })
+            .ToList();
+
+        // Heigth ve Width hesaplama
+        var groupLayouts = input.Groups
+            .Select(g =>
+            {
+                var items = g.Items
+                    .Where(i => i.IncludeInEditingForm && i.DataField != input.KeyFieldName)
+                    .ToList();
+
+                var columnCount = g.ColCount;
+
+                if (columnCount <= 0)
+                    columnCount = 1;
+
+                // 3 kolonu geçmesin
+                columnCount = Math.Min(columnCount, WizardConsts.EditFormMaxColumnCount);
+
+                // Örneğin 4 item / 3 kolon = 2 satır
+                var rowCount = (int)Math.Ceiling(items.Count / (double)columnCount);
+
+                return new
+                {
+                    Group = g,
+                    Items = items,
+                    ColumnCount = columnCount,
+                    RowCount = rowCount
+                };
+            })
+            .ToList();
+
+        // Form genelinde kullanılacak kolon sayısı
+        var formColumnCount = groupLayouts.Any()
+            ? groupLayouts.Max(x => x.ColumnCount)
+            : 1;
+
+        // Width hesabı
+        var formWidth = (WizardConsts.EditFormMaxWidth / WizardConsts.EditFormMaxColumnCount) * formColumnCount;
+
+        // Toplam satır sayısı
+        var totalRowCount = groupLayouts.Sum(x => x.RowCount);
+
+        // Height hesabı
+        var formHeight = WizardConsts.EditFormHeightDefault + (totalRowCount * WizardConsts.EditFormHeightByRow);
+
         // ListForm
         await _repoListForm.InsertAsync(new ListForm
         {
@@ -376,20 +423,13 @@ public class WizardDataSeeder : IDataSeedContributor, ITransientDependency
                 ? WizardConsts.DefaultInsertFieldsDefaultValueJson(input.KeyFieldDbSourceType)
                 : WizardConsts.DefaultFieldsJsonOnlyId(input.KeyFieldDbSourceType),
             PagerOptionJson = WizardConsts.DefaultPagerOptionJson,
-            EditingOptionJson = WizardConsts.DefaultEditingOptionJson(titleLangKey, 600, 500, input.AllowDeleting, input.AllowAdding, input.AllowUpdating, input.ConfirmDelete, false, input.AllowDetail),
+            EditingOptionJson = WizardConsts.DefaultEditingOptionJson(titleLangKey, formWidth, formHeight, input.AllowDeleting, input.AllowAdding, input.AllowUpdating, input.ConfirmDelete, false, input.AllowDetail),
             EditingFormJson = editingFormDtos.Count > 0 ? JsonSerializer.Serialize(editingFormDtos) : null,
             SubFormsJson = input.SubForms.Count > 0 ? JsonSerializer.Serialize(input.SubForms) : null,
             WidgetsJson = input.Widgets.Count > 0 ? JsonSerializer.Serialize(input.Widgets) : null,
             WorkflowJson = HasWorkflow(input.Workflow, input.WorkflowCriteria) ? JsonSerializer.Serialize(input.Workflow) : null,
         }, autoSave: true);
 
-        // EditingForm'da required olan alanları tespit et, ValidationRuleJson eklemek için
-        var editingFormFieldNames = input.Groups
-            .SelectMany(g => g.Items)
-            .Where(i => i.IncludeInEditingForm && i.DataField != input.KeyFieldName)
-            .Select(i => new { FieldName = i.DataField, Isrequired = i.IsRequired })
-            .ToList();
-
         // ListFormFields
         var fieldOrder = 0;
         foreach (var group in input.Groups)
diff --git a/api/src/Sozsoft.Platform.Domain.Shared/WizardConsts.cs b/api/src/Sozsoft.Platform.Domain.Shared/WizardConsts.cs
index a557c49..1d83bc4 100644
--- a/api/src/Sozsoft.Platform.Domain.Shared/WizardConsts.cs
+++ b/api/src/Sozsoft.Platform.Domain.Shared/WizardConsts.cs
@@ -11,6 +11,11 @@ using System.Globalization;
 
 public static class WizardConsts
 {
+    public static int EditFormMaxWidth => 1200;
+    public static int EditFormMaxColumnCount = 3;
+    public static int EditFormHeightDefault => 125;
+    public static int EditFormHeightByRow => 75;
+
     public static string WizardKey(string code) => $"{Prefix.App}.Wizard.{code}";
     public static string WizardKeyTitle(string code) => $"{WizardKey(code)}.Title";
     public static string WizardKeyDesc(string code) => $"{WizardKey(code)}.Desc";
diff --git a/ui/src/views/admin/listForm/wizard/WizardStep3.tsx b/ui/src/views/admin/listForm/wizard/WizardStep3.tsx
index 00d90ab..0d2ae47 100644
--- a/ui/src/views/admin/listForm/wizard/WizardStep3.tsx
+++ b/ui/src/views/admin/listForm/wizard/WizardStep3.tsx
@@ -667,7 +667,7 @@ function GroupCard({
           <span className="text-xs text-gray-400">
             {translate('::ListForms.Wizard.Step3.Cols') || 'Cols:'}
           </span>
-          {[1, 2, 3, 4].map((n) => (
+          {[1, 2, 3].map((n) => (
             <button
               key={n}
               type="button"