diff --git a/src/Libraries/Taskist.Service/WorkItems/BacklogItemService.cs b/src/Libraries/Taskist.Service/WorkItems/BacklogItemService.cs
index 3e90abe..86480a9 100644
--- a/src/Libraries/Taskist.Service/WorkItems/BacklogItemService.cs
+++ b/src/Libraries/Taskist.Service/WorkItems/BacklogItemService.cs
@@ -75,6 +75,7 @@ public async Task<IPagedList<Backlog>> GetPagedListAsync(int assigneeId,
     {
         return await _backlogRepository.GetAllPagedAsync(query =>
         {
+            query = query.Where(x => !x.Deleted);  //r
             if (projectId > 0)
                 query = query.Where(x => x.ProjectId == projectId);
             else
@@ -186,7 +187,7 @@ await _backlogCommentRepository.InsertAsync(new BacklogComment
                 BacklogId = entity.Id,
                 CreatedById = entity.CreatedById,
                 CreatedOn = DateTime.UtcNow,
-                Comment = $"New {entity.TaskType.Name} created.",
+                Comment = $"New {entity.TaskType?.Name} ?? backlog created.",  //r
                 SystemComment = true
             });
 
@@ -283,6 +284,18 @@ public async Task DeleteAsync(Backlog entity)
         await _backlogRepository.DeleteAsync(entity);
     }
 
+    public async Task DeleteBacklogAsync(int id)  //r
+    {
+        var entity = await _backlogRepository.GetByIdAsync(id);
+        if (entity == null)
+            throw new ArgumentNullException(nameof(entity));
+
+        entity.Deleted = true;
+
+        await _backlogRepository.UpdateAsync(entity);
+    }
+
+
     #endregion
 
     #region Methods For Documents
diff --git a/src/Libraries/Taskist.Service/WorkItems/IBacklogItemService.cs b/src/Libraries/Taskist.Service/WorkItems/IBacklogItemService.cs
index 4af4334..b7b1192 100644
--- a/src/Libraries/Taskist.Service/WorkItems/IBacklogItemService.cs
+++ b/src/Libraries/Taskist.Service/WorkItems/IBacklogItemService.cs
@@ -51,10 +51,11 @@ Task<IList<Backlog>> GetAllForExcelExportAsync(int assigneeId,
 
 
 	Task DeleteAsync(Backlog entity);
+	Task DeleteBacklogAsync(int id);
 
-	#region Documents
+    #region Documents
 
-	Task<IList<BacklogDocument>> GetAllDocumentAsync(int backlogId);
+    Task<IList<BacklogDocument>> GetAllDocumentAsync(int backlogId);
 
 	Task<Document> GetDocumentByIdAsync(int id);
 
diff --git a/src/Presentation/Taskist.Web/Controllers/Masters/ProjectController.cs b/src/Presentation/Taskist.Web/Controllers/Masters/ProjectController.cs
index f4f7802..1e2a0bb 100644
--- a/src/Presentation/Taskist.Web/Controllers/Masters/ProjectController.cs
+++ b/src/Presentation/Taskist.Web/Controllers/Masters/ProjectController.cs
@@ -184,6 +184,7 @@ public async Task<IActionResult> AddMember(UserProjectModel model)
                 CanReport = model.CanReport,
                 CanEdit = model.CanEdit,
                 CanReOpen = model.CanReOpen,
+                CanDelete =model.CanDelete,
                 CanClose = model.CanClose,
                 CanComment = model.CanComment,
                 CanViewOthersTask = model.CanViewOthersTask,
@@ -231,8 +232,19 @@ public async Task<IActionResult> EditMember(UserProjectModel model)
         if (ModelState.IsValid)
         {
             var entity = await _projectService.GetMemberByIdAsync(model.Id);
-            entity = _mapper.Map(model, entity);
-
+            if (entity == null)
+                return Json(new JsonResponseModel { Status = HttpStatusCodeEnum.NoData });
+
+            entity.CanReport = model.CanReport;
+            entity.CanEdit = model.CanEdit;
+            entity.CanReOpen = model.CanReOpen;
+            entity.CanDelete = model.CanDelete;
+            entity.CanClose = model.CanClose;
+            entity.CanComment = model.CanComment;
+            entity.CanViewOthersTask = model.CanViewOthersTask;
+            entity.CanEditOthersTask = model.CanEditOthersTask;
+
+            
             await _projectService.UpdateMemberAsync(entity);
 
             await _userActivityService.InsertAsync("ProjectMember", string.Format(await _localizationService.GetResourceAsync("Log.RecordUpdated"), entity.User.Name), entity);
@@ -241,7 +253,7 @@ public async Task<IActionResult> EditMember(UserProjectModel model)
             {
                 Status = HttpStatusCodeEnum.Success,
                 Message = await _localizationService.GetResourceAsync("Message.UpdateSuccess")
-            });
+            });                                                                  
         }
 
         return Json(new JsonResponseModel
@@ -419,6 +431,7 @@ public async Task<IActionResult> DataReadMember(int projectId, DataTableRequest
                 CanReport = x.CanReport,
                 CanEdit = x.CanEdit,
                 CanClose = x.CanClose,
+                CanDelete = x.CanDelete,
                 CanReOpen = x.CanReOpen,
                 CanComment = x.CanComment
             }),
diff --git a/src/Presentation/Taskist.Web/Controllers/WorkItems/BacklogController.cs b/src/Presentation/Taskist.Web/Controllers/WorkItems/BacklogController.cs
index 1d9cdec..77c7a45 100644
--- a/src/Presentation/Taskist.Web/Controllers/WorkItems/BacklogController.cs
+++ b/src/Presentation/Taskist.Web/Controllers/WorkItems/BacklogController.cs
@@ -128,7 +128,7 @@ public async Task<IActionResult> Create(BacklogModel model, List<CustomFieldValu
 
         if (fieldValues.Any())
         {
-            var customFields = await _customFieldService.GetAllMandatoryAsync(lastAccessedProjectId);
+            var customFields = (await _customFieldService.GetAllMandatoryAsync(lastAccessedProjectId)).ToList();
             if (customFields.Any())
             {
                 var emptyValues = customFields.Where(x => fieldValues.Any(y => y.CustomFieldId == x.Id && string.IsNullOrEmpty(y.Value)));
@@ -193,7 +193,7 @@ public async Task<IActionResult> Edit(int id)
     {
         var projectAccess = await GetProjectAccess();
         if (projectAccess == null || !projectAccess.CanReport && !projectAccess.CanEdit && !projectAccess.CanClose)
-            return AccessDenied();
+             return AccessDenied();
 
         var entity = await _backlogItemService.GetByIdAsync(id);
         if (entity == null)
@@ -202,10 +202,37 @@ public async Task<IActionResult> Edit(int id)
         var model = _mapper.Map<BacklogModel>(entity);
 
         await InitModelAsync(model);
+        model.CanEdit = await _permissionService.AuthorizeAsync(PermissionProvider.WorkItem.MANAGE_BACKLOGLOG);
+        model.CanDelete = await _permissionService.AuthorizeAsync(PermissionProvider.WorkItem.MANAGE_BACKLOGLOG);
 
         return View(model);
     }
 
+    [HttpPost("DeleteBacklog")]
+    [ValidateAntiForgeryToken]  
+    [CheckPermission(PermissionProvider.WorkItem.MANAGE_BACKLOGLOG)]
+    public async Task<IActionResult> DeleteBacklogAsync(int id)
+    {
+
+        // check permission
+        if (!await _permissionService.AuthorizeAsync(PermissionProvider.WorkItem.MANAGE_BACKLOGLOG))
+            return Forbid();
+
+        var backlog = await _backlogItemService.GetByIdAsync(id);
+        if (backlog == null)
+            return NotFound();
+
+        backlog.Deleted = true;
+        await _backlogItemService.UpdateAsync(backlog);
+        
+        return Json(new
+        {
+            success = true,
+            message = true ? "Backlog File deleted!" : "Oops, unable to delete the file!"
+        });
+
+    }
+
     public async Task<IActionResult> Filter(int filterMode)
     {
         var model = new BacklogModel();
@@ -593,6 +620,7 @@ private async Task<BacklogPageModel> GetProjectAccess()
             CanReport = projectMap != null && projectMap.CanReport,
             CanEdit = projectMap != null && projectMap.CanEdit,
             CanClose = projectMap != null && projectMap.CanClose,
+            CanDelete = projectMap != null && projectMap.CanDelete,
             CanViewOthersTask = projectMap != null && projectMap.CanViewOthersTask,
             CanEditOthersTask = projectMap != null && projectMap.CanEditOthersTask
         };
@@ -615,6 +643,7 @@ private async Task InitModelAsync(BacklogModel model)
         {
             var access = await GetProjectAccess();
             model.CanEdit = model.AssigneeId == loggedUser.Id || access.CanEditOthersTask;
+            model.CanDelete = access.CanDelete;
         }
         foreach (var item in taskTypes)
         {
diff --git a/src/Presentation/Taskist.Web/Helpers/Mapping/AutoMapperProfile.cs b/src/Presentation/Taskist.Web/Helpers/Mapping/AutoMapperProfile.cs
index f3df26c..5a3690e 100644
--- a/src/Presentation/Taskist.Web/Helpers/Mapping/AutoMapperProfile.cs
+++ b/src/Presentation/Taskist.Web/Helpers/Mapping/AutoMapperProfile.cs
@@ -59,7 +59,9 @@ public AutoMapperProfile()
 
         CreateMap<Backlog, BacklogModel>().ReverseMap()
             .ForMember(dest => dest.Code, act => act.Ignore())
-            .ForMember(dest => dest.AssigneeId, opt => opt.MapFrom(src => src.AssigneeId == -1 ? (int?)null : src.AssigneeId));
+            .ForMember(dest => dest.AssigneeId, opt => opt.MapFrom(src => src.AssigneeId == -1 ? (int?)null : src.AssigneeId))
+            .ForMember(dest => dest.SprintId, opt => opt.MapFrom(src => src.SprintId == -1 ? (int?)null : src.SprintId))
+            .ForMember(dest => dest.ReporterId, opt => opt.MapFrom(src => src.ReporterId == -1 ? (int?)null : src.ReporterId));
 
         CreateMap<Sprint, SprintModel>().ReverseMap();
         CreateMap<CustomField, CustomFieldRenderModel>();
diff --git a/src/Presentation/Taskist.Web/Models/Users/UserProjectModel.cs b/src/Presentation/Taskist.Web/Models/Users/UserProjectModel.cs
index 49bc739..a9d9d6e 100644
--- a/src/Presentation/Taskist.Web/Models/Users/UserProjectModel.cs
+++ b/src/Presentation/Taskist.Web/Models/Users/UserProjectModel.cs
@@ -27,7 +27,10 @@ public UserProjectModel()
 	[LocalizedDisplayName("UserProjectModel.CanClose")]
 	public bool CanClose { get; set; }
 
-	[LocalizedDisplayName("UserProjectModel.CanReOpen")]
+    [LocalizedDisplayName("UserProjectModel.CanDelete")]
+    public bool CanDelete { get; set; }
+
+    [LocalizedDisplayName("UserProjectModel.CanReOpen")]
 	public bool CanReOpen { get; set; }
 
 	[LocalizedDisplayName("UserProjectModel.CanComment")]
@@ -52,7 +55,9 @@ public class UserProjectGridModel : BaseModel
 
 	public bool CanClose { get; set; }
 
-	public bool CanReOpen { get; set; }
+    public bool CanDelete { get; set; }
+
+    public bool CanReOpen { get; set; }
 
 	public bool CanComment { get; set; }
 }
\ No newline at end of file
diff --git a/src/Presentation/Taskist.Web/Models/WorkItems/BacklogModel.cs b/src/Presentation/Taskist.Web/Models/WorkItems/BacklogModel.cs
index 4ddeda6..44324f6 100644
--- a/src/Presentation/Taskist.Web/Models/WorkItems/BacklogModel.cs
+++ b/src/Presentation/Taskist.Web/Models/WorkItems/BacklogModel.cs
@@ -77,6 +77,8 @@ public BacklogModel()
 
     public bool CanEdit { get; set; }
 
+    public bool CanDelete { get; set; }
+
     [LocalizedDisplayName("BacklogTask.CreatedBy")]
     public int CreatedById { get; set; }
 
diff --git a/src/Presentation/Taskist.Web/Models/WorkItems/BacklogPageModel.cs b/src/Presentation/Taskist.Web/Models/WorkItems/BacklogPageModel.cs
index 570b3eb..d2a3a38 100644
--- a/src/Presentation/Taskist.Web/Models/WorkItems/BacklogPageModel.cs
+++ b/src/Presentation/Taskist.Web/Models/WorkItems/BacklogPageModel.cs
@@ -10,6 +10,8 @@ public class BacklogPageModel
 
     public bool CanClose { get; set; }
 
+    public bool CanDelete { get; set; }
+
     public bool CanReOpen { get; set; }
 
     public bool CanComment { get; set; }
diff --git a/src/Presentation/Taskist.Web/Views/Backlog/Edit.cshtml b/src/Presentation/Taskist.Web/Views/Backlog/Edit.cshtml
index a557e51..fa2eede 100644
--- a/src/Presentation/Taskist.Web/Views/Backlog/Edit.cshtml
+++ b/src/Presentation/Taskist.Web/Views/Backlog/Edit.cshtml
@@ -21,6 +21,14 @@
 							<a asp-action="Index" class="btn btn-secondary">
 								<i class="fas fa-ban me-1"></i>@Localize("Button.Cancel")
 							</a>
+							@Html.AntiForgeryToken()
+							@if (Model.CanDelete)
+							{
+								<button type="button" class="btn btn-danger" onclick="confirmDelete(@Model.Id)"> 
+									<i class="fas fa-trash me-1"></i>@Localize("Button.Delete")
+								</button>
+							}
+							
 						</div>
 					</div>
 				</div>
@@ -35,7 +43,40 @@
 		</div>
 	</div>
 </form>
+
 <script>
+
+	function confirmDelete(id) {
+		if (confirm("Are you sure you want to delete this backlog item?")) {
+
+			var token = $('#EditForm input[name="__RequestVerificationToken"]').val();
+
+			$.ajax({
+				url: '@Url.Action("DeleteBacklog", "Backlog")',
+				type: 'POST',
+				data: {
+					id: id,
+					__RequestVerificationToken: token
+				},
+				success: function (result) {
+					if (result.success) {
+						window.location.href = '@Url.Action("Index", "Backlog")';
+					}
+				},
+				error: function (xhr, status, error) {
+					console.error("Status: " + status);
+					console.error("Error: " + error);
+					console.error("Response: " + xhr.responseText);
+
+					if(xhr.status === 403) alert("You do not have permission to delete this.");
+					else if(xhr.status === 400) alert("Security validation failed (Anti-Forgery Token).");
+					else if(xhr.status === 404) alert("Delete action not found (URL mismatch).");
+					else alert("Delete failed: " + xhr.status);
+				}
+			});
+		}
+	}
+
 	$(function () {
 		let buttons = '';
 		JSManager.setPageTitle(`@Localize("BacklogPage.Title") #@Model.Id`);
@@ -44,4 +85,6 @@
 		buttons += `<a href="javascript:JSManager.openOffCanvas('@Url.Action("Comments", new { Id = Model.Id })','@Localize("BacklogPage.Button.Comments")')" title="@Localize("BacklogPage.Button.Comments")" class="btn btn-sm btn-success text-white me-2"><i class="fa-solid fa-comments"></i></a>`;
 		JSManager.setPageButtons(buttons);
 	});
-</script>
\ No newline at end of file
+
+
+</script>
diff --git a/src/Presentation/Taskist.Web/Views/Project/Members.cshtml b/src/Presentation/Taskist.Web/Views/Project/Members.cshtml
index 83e4392..957e797 100644
--- a/src/Presentation/Taskist.Web/Views/Project/Members.cshtml
+++ b/src/Presentation/Taskist.Web/Views/Project/Members.cshtml
@@ -65,6 +65,10 @@
             new ColumnConditionModel { Value = "true", Operator = OperatorEnum.EQUAL, Icon = "fa fa-check", TextColor = "#2eb85c" },
             new ColumnConditionModel { Value = "false", Operator = OperatorEnum.EQUAL, Icon = "fa fa-times", TextColor = "#e55353" }
         }},
+        new ColumnModel { Title = Localize("ProjectMemberGrid.CanDelete").Text, DataColumn = "CanDelete", Conditions = new List<ColumnConditionModel>{
+            new ColumnConditionModel { Value = "true", Operator = OperatorEnum.EQUAL, Icon = "fa fa-check", TextColor = "#2eb85c" },
+            new ColumnConditionModel { Value = "false", Operator = OperatorEnum.EQUAL, Icon = "fa fa-times", TextColor = "#e55353" }
+        }},
         new ColumnModel { Title = Localize("ProjectMemberGrid.CanReOpen").Text, DataColumn = "CanReOpen", Conditions = new List<ColumnConditionModel>{
             new ColumnConditionModel { Value = "true", Operator = OperatorEnum.EQUAL, Icon = "fa fa-check", TextColor = "#2eb85c" },
             new ColumnConditionModel { Value = "false", Operator = OperatorEnum.EQUAL, Icon = "fa fa-times", TextColor = "#e55353" }
diff --git a/src/Presentation/Taskist.Web/Views/Project/_FormMember.cshtml b/src/Presentation/Taskist.Web/Views/Project/_FormMember.cshtml
index 4714f92..7b5e40b 100644
--- a/src/Presentation/Taskist.Web/Views/Project/_FormMember.cshtml
+++ b/src/Presentation/Taskist.Web/Views/Project/_FormMember.cshtml
@@ -37,6 +37,14 @@
             </label>
         </div>
     </div>
+    <div class="col-md-12">
+        <div class="mb-3">
+            <label class="form-check form-check-inline">
+                <input class="form-check-input" type="checkbox" asp-for="CanDelete">
+                <wc-label asp-for="CanDelete" />
+            </label>
+        </div>
+    </div>
     <div class="col-md-12">
         <div class="mb-3">
             <label class="form-check form-check-inline">