Standardize passing childContent from ProcessAsync

framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Form/AbpSelectTagHelperService.cs

@@ -38,7 +38,9 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
 
         public override async Task ProcessAsync(TagHelperContext context, TagHelperOutput output)
         {
-            var innerHtml = await GetFormInputGroupAsHtmlAsync(context, output);
+            var childContent = await output.GetChildContentAsync();
+
+            var innerHtml = await GetFormInputGroupAsHtmlAsync(context, output, childContent);
 
             var order = TagHelper.AspFor.ModelExplorer.GetDisplayOrder();
 
@@ -58,9 +60,9 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
             }
         }
 
-        protected virtual async Task<string> GetFormInputGroupAsHtmlAsync(TagHelperContext context, TagHelperOutput output)
+        protected virtual async Task<string> GetFormInputGroupAsHtmlAsync(TagHelperContext context, TagHelperOutput output, TagHelperContent childContent)
         {
-            var selectTag = await GetSelectTagAsync(context, output);
+            var selectTag = await GetSelectTagAsync(context, output, childContent);
             var selectAsHtml = selectTag.Render(_encoder);
             var label = await GetLabelAsHtmlAsync(context, output, selectTag);
             var validation = await GetValidationAsHtmlAsync(context, output, selectTag);
@@ -74,7 +76,7 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
             return "<div class=\"form-group\">" + Environment.NewLine + innerHtml + Environment.NewLine + "</div>";
         }
 
-        protected virtual async Task<TagHelperOutput> GetSelectTagAsync(TagHelperContext context, TagHelperOutput output)
+        protected virtual async Task<TagHelperOutput> GetSelectTagAsync(TagHelperContext context, TagHelperOutput output, TagHelperContent childContent)
         {
             var selectTagHelper = new SelectTagHelper(_generator)
             {
@@ -97,7 +99,7 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
 
             var selectTagHelperOutput = await selectTagHelper.ProcessAndGetOutputAsync(GetInputAttributes(context, output), context, "select", TagMode.StartTagAndEndTag);
 
-            selectTagHelperOutput.Content.SetHtmlContent(await output.GetChildContentAsync());
+            selectTagHelperOutput.Content.SetHtmlContent(childContent);
             selectTagHelperOutput.Attributes.AddClass("form-control");
             selectTagHelperOutput.Attributes.AddClass(GetSize(context, output));
             AddDisabledAttribute(selectTagHelperOutput);