diff --git a/Areas/Admin/Controllers/ProductController.cs b/Areas/Admin/Controllers/ProductController.cs
index c2e176d..6771209 100644
--- a/Areas/Admin/Controllers/ProductController.cs
+++ b/Areas/Admin/Controllers/ProductController.cs
@@ -64,6 +64,23 @@ namespace pwt_0x01_ng.Areas.Admin.Controllers
 			Product item = dbctx.Product.Where(p_item => p_item.id == id).FirstOrDefault();
 			if (item != null)
 			{
+				IList<Similar> s = await dbctx.Similar.Where(p_item => p_item.prod_id == id).ToListAsync();
+				IList<Product> similar = product.Products;
+				foreach (var s_item in s)
+				{
+					var prodpls = await dbctx.Product.Where(p_item => p_item.id == s_item.prod_id).FirstOrDefaultAsync();
+					if(prodpls != null){
+						for (int i = 0; i < similar.Count; i++)
+						{
+							if(similar[i].id == prodpls.id){
+								similar[i].Selected = true;
+							}
+						}
+					}
+				}
+				if(similar != null){
+					item.Similar = similar;
+				}
 				ViewData["ImageSrc"] = new SelectList(dbctx.Product, "ImageSrc", item.ImageSrc);
 				return View(item);
 			}
@@ -96,20 +113,22 @@ namespace pwt_0x01_ng.Areas.Admin.Controllers
 					if(p != null){
 						foreach (var prod in p)
 						{
-							Similar s = dbctx.Similar.Where(p_item => p_item.prod_id == item.id && p_item.similar_prod_id != prod.id).FirstOrDefault();
-							System.Console.WriteLine("s.prod_id: " + s.prod_id + "s.similar_prod_id:" + s.similar_prod_id);
-							var res = dbctx.Similar.Remove(s);
-							Similar nu_s = new Similar();
-							nu_s.prod_id = item.id;
-							nu_s.similar_prod_id = prod.id;
-							System.Console.WriteLine("nu_s.prod_id: " + nu_s.prod_id + "nu_s.similar_prod_id:" + nu_s.similar_prod_id);
-							var nu_res = dbctx.Similar.Add(nu_s);
+							if(prod.Selected){
+								Similar s = new Similar();
+								s.prod_id = item.id;
+								s.similar_prod_id = prod.id;
+								var res = dbctx.Similar.Add(s);
+							} else {
+								Similar s = dbctx.Similar.Where(p_item => p_item.prod_id == item.id && p_item.similar_prod_id != prod.id).FirstOrDefault();
+								var res = dbctx.Similar.Remove(s);
+							}
 						}
 					}
 
 					await dbctx.SaveChangesAsync();
 					return RedirectToAction(nameof(Select));
 				}
+				var errors = ModelState.Values.SelectMany(v => v.Errors);
 				ViewData["Message"] = "error editing Product";
 				return View(item);
 			}
diff --git a/Areas/Admin/Views/Product/edit-create_part.cshtml b/Areas/Admin/Views/Product/edit-create_part.cshtml
index 74f2a63..856c774 100644
--- a/Areas/Admin/Views/Product/edit-create_part.cshtml
+++ b/Areas/Admin/Views/Product/edit-create_part.cshtml
@@ -47,14 +47,18 @@
 							<label>similar products</label>
 						</div>
 						@if(@Model.Similar != null){
-							foreach (Product p in @Model.Similar){
-								similar.Add(products.Where(pp => pp.id == p.id).FirstOrDefault());
-							}
+							similar = @Model.Similar;
 						}
 						@for(int i = 0; i < products.Count; i++){
 							@if(products.ElementAt(i).id != @Model.id){
 								<label class="form-check-label checkbox-inline">@products.ElementAt(i).Name</label>
-								<input class="form-check-input" type="checkbox" @{if(similar.Count != 0 && (similar.Select(s => s.id == products.ElementAt(i).id) != null)){@Html.Raw("checked")};}>
+								@if(similar[i].Selected){
+									<input asp-for="@Model.Similar[i].Selected" type="checkbox" checked>
+									<input asp-for="@Model.Similar[i].id" type="hidden">
+								} else {
+									<input asp-for="@Model.Similar[i].Selected" type="checkbox">
+									<input asp-for="@Model.Similar[i].id" type="hidden">
+								}
 							}
 						}
 					</div>