From a62cb4c58941ae2ed40b1e9439332aea54e46c41 Mon Sep 17 00:00:00 2001
From: Hossein <rezaei@kavenegar.com>
Date: Mon, 10 Apr 2023 09:54:18 +0330
Subject: [PATCH] check null parameter on sebd request

---
 Kavenegar.Core/KavenegarApi.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Kavenegar.Core/KavenegarApi.cs b/Kavenegar.Core/KavenegarApi.cs
index 15988be..d8a6141 100644
--- a/Kavenegar.Core/KavenegarApi.cs
+++ b/Kavenegar.Core/KavenegarApi.cs
@@ -126,8 +126,8 @@ private string GetApiPath(string _base, string method, string output)
         private async Task<string> Execute(string path, Dictionary<string, object> _params)
         {
             var nvc = _params?.Select(x => new KeyValuePair<string, string>(x.Key, x.Value?.ToString()));
-
-            var postdata = new FormUrlEncodedContent(nvc);
+            
+            var postdata = nvc != null ?  new FormUrlEncodedContent(nvc):null;
 
             var response = await _client.PostAsync(path, postdata);
             var responseBody = await response.Content.ReadAsStringAsync();