..

Back/Data/Models/Invoice.cs

@@ -26,7 +26,7 @@ namespace Back.Data.Models
         public long? Indati2m { get { return new DateTimeOffset(InvoiceDate.Trim().ToMiladi()).ToUnixTimeMilliseconds(); } }
         //نوع صورتحساب
         [MaxLength(1)]
-        public int? inty { get { return pattern.BillType.inty; } }
+        public int? inty { get { return pattern?.BillType.inty; } }
         //الگوی صورتحساب
         [MaxLength(2)]
         public int? inp { get { return pattern?.inp; } }
@@ -102,7 +102,7 @@ namespace Back.Data.Models
         public InvoiceType invoiceType { get; set; }
         //شماره منحصر به فرد مالیاتی
         [MaxLength(22)]
-        public string? taxid { get; set; }         
+        public string? taxid { get; set; } 
         //شماره منحصر به فرد مالیاتی  صورتحساب مرجع
         [MaxLength(22)]
         public string? irtaxid { get; set; }           
@@ -160,13 +160,13 @@ namespace Back.Data.Models
         public virtual Customer Customer { get; set; }
         [ForeignKey("LastChangeUserID")]
         public virtual User user { get; set; }
-        public virtual ICollection<InvoiceItem> invoiceDetails { get; set; }
+        public virtual ICollection<InvoiceItem>? invoiceDetails { get; set; }
         [ForeignKey("BillReference")]
         public virtual Invoice? invoice { get; set; }
-        public virtual ICollection<InvoicePayment> payments { get; set; }
-        public virtual ICollection<InvoiceStatusChang> invoiceStatusChangs { get; set; }
-        public virtual ICollection<SentTax> sentTax { get; set; }
-        [ForeignKey("PatternsID")]
+        public virtual ICollection<InvoicePayment>? payments { get; set; } 
+        public virtual ICollection<InvoiceStatusChang>? invoiceStatusChangs { get; set; }
+        public virtual ICollection<SentTax>? sentTax { get; set; }
+        [ForeignKey("PatternID")]
         public virtual Pattern? pattern { get; set; }
         [ForeignKey("CompanyID")]
         public virtual Company? company { get; set; }