Fix

Uriagekun/Models/AddUriageModel.cs

@@ -7,6 +7,9 @@ public class AddUriageModel
     [Required]
     public string Barcode { get; set; }
 
+    [Required]
+    public DateTime Date { get; set; }
+
     [Required]
     public int Price { get; set; }
 

Uriagekun/Views/Record/Register.cshtml

@@ -12,6 +12,14 @@
                 <input type="text" minlength="0" maxlength="16" required name="Barcode" class="form-control" id="goodBarcode" />
             </div>
         </div>
+        <div class="form-group row m-2">
+            <div class="col-md-3">
+                <label class="form-label" for="goodDate">販売日時</label>
+            </div>
+            <div class="col-md-9">
+                <input type="date" required name="Date" class="form-control" id="goodDate" />
+            </div>
+        </div>
         <div class="form-group row m-2">
             <div class="col-md-3">
                 <label class="form-label" for="goodPrice">金額</label>