11

XdCxRhDW.App/UserControl/CtrlHome.cs

@@ -395,9 +395,11 @@ namespace XdCxRhDW.App.UserControl
             {
                 try
                 {
+                    var editItem = gridView1.GetFocusedRow() as TaskInfo;
+                    if (editItem == null) return;
                     using (RHDWContext db = new RHDWContext())
                     {
-                        var editItem = gridView1.GetFocusedRow() as TaskInfo;
+                       
                         List<TaskSig> taskSig = await db.TaskSigs.Where(w => w.TaskInfoID == editItem.ID).ToListAsync();
                         var taskSigID = taskSig.Select(s => s.SigInfoID);
                         var items = await db.SigInfos.ToListAsync();