添加项目文件。

TechHelper.Client/HttpInterceptor/HttpResponseException.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Runtime.Serialization;
+
+namespace BlazorProducts.Client.HttpInterceptor
+{
+	[Serializable]
+	internal class HttpResponseException : Exception
+	{
+		public HttpResponseException()
+		{
+		}
+
+		public HttpResponseException(string message) : base(message)
+		{
+		}
+
+		public HttpResponseException(string message, Exception innerException) 
+			: base(message, innerException)
+		{
+		}
+
+		protected HttpResponseException(SerializationInfo info, StreamingContext context) 
+			: base(info, context)
+		{
+		}
+	}
+}