From c4ced2dea956dc9afadc07b21d8ba6628b0f36ca Mon Sep 17 00:00:00 2001
From: Yunus Emre Kalkan <emre.kalkan@volosoft.com>
Date: Tue, 2 Jul 2019 09:17:10 +0300
Subject: [PATCH] Update AbpTagHelperAttributeListExtensions.cs

---
 .../TagHelpers/AbpTagHelperAttributeListExtensions.cs     | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/Microsoft/AspNetCore/Razor/TagHelpers/AbpTagHelperAttributeListExtensions.cs b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/Microsoft/AspNetCore/Razor/TagHelpers/AbpTagHelperAttributeListExtensions.cs
index 6168339eb8..0109ff8f04 100644
--- a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/Microsoft/AspNetCore/Razor/TagHelpers/AbpTagHelperAttributeListExtensions.cs
+++ b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/Microsoft/AspNetCore/Razor/TagHelpers/AbpTagHelperAttributeListExtensions.cs
@@ -21,11 +21,9 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Microsoft.AspNetCore.Razor.TagHel
             }
             else
             {
-                var existingClasses = classAttribute.Value.ToString().Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
-                if (!existingClasses.Contains(className))
-                {
-                    attributes.SetAttribute("class", classAttribute.Value + " " + className);
-                }
+                var existingClasses = classAttribute.Value.ToString().Split(new [] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
+                existingClasses.AddIfNotContains(className);
+                attributes.SetAttribute("class", string.Join(" ", existingClasses));
             }
         }