fix: null serialization for custom fields

DavidRouyer · DavidRouyer · commit a92ec7f3b4fd · 2019-12-05T11:34:46.000+01:00
diff --git a/src/Pipedrive.net/Converters/CustomFieldConverter.cs b/src/Pipedrive.net/Converters/CustomFieldConverter.cs
@@ -198,7 +198,7 @@ public override void WriteJson(JsonWriter writer, object value, JsonSerializer s
                 if (field.Value == null)
                 {
                     writer.WritePropertyName(field.Key);
-                    writer.WriteValue(string.Empty);
+                    writer.WriteNull();
                 }
                 else
                 {

Original file line number	Diff line number	Diff line change
`@@ -198,7 +198,7 @@ public override void WriteJson(JsonWriter writer, object value, JsonSerializer s`
`198`	`198`	`if (field.Value == null)`
`199`	`199`	`{`
`200`	`200`	`writer.WritePropertyName(field.Key);`
`201`		`- writer.WriteValue(string.Empty);`
	`201`	`+ writer.WriteNull();`
`202`	`202`	`}`
`203`	`203`	`else`
`204`	`204`	`{`