Resolved #689

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

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using System.Text.Encodings.Web;
 using Microsoft.AspNetCore.Mvc.TagHelpers;
@@ -60,7 +61,7 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
             var inputTag = GetInputTagHelperOutput(context, output, out isCheckbox);
 
             var inputHtml = RenderTagHelperOutput(inputTag, _encoder);
-            var label = GetLabelAsHtml(context, output, inputTag, isCheckbox);
+            var label = GetLabelAsHtml(context, output, inputTag, isCheckbox) + GetRequiredSymbol(context, output);
             var info = GetInfoAsHtml(context, output, inputTag, isCheckbox);
             var validation = isCheckbox ? "" : GetValidationAsHtml(context, output, inputTag);
 
@@ -251,6 +252,11 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
                    "</label>";
         }
 
+        protected virtual string GetRequiredSymbol(TagHelperContext context, TagHelperOutput output)
+        {
+            return GetAttribute<RequiredAttribute>(TagHelper.AspFor.ModelExplorer) != null ? "<span> (*) </span>":"";
+        }
+
         protected virtual string GetInfoAsHtml(TagHelperContext context, TagHelperOutput output, TagHelperOutput inputTag, bool isCheckbox)
         {
             if (isCheckbox)

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

@@ -1,6 +1,7 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using System.Reflection;
 using System.Text.Encodings.Web;
@@ -56,11 +57,11 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
         {
             var selectTag = GetSelectTag(context, output);
             var selectAsHtml = RenderTagHelperOutput(selectTag, _encoder);
-            var label = GetLabelAsHtml(context, output, selectTag);
+            var label = GetLabelAsHtml(context, output, selectTag) + GetRequiredSymbol(context, output);
-            var validation =  GetValidationAsHtml(context, output, selectTag);
+            var validation = GetValidationAsHtml(context, output, selectTag);
             var infoText = GetInfoAsHtml(context, output, selectTag);
 
-            return label + Environment.NewLine + selectAsHtml + Environment.NewLine + infoText+ Environment.NewLine + validation;
+            return label + Environment.NewLine + selectAsHtml + Environment.NewLine + infoText + Environment.NewLine + validation;
         }
 
         protected virtual string SurroundInnerHtmlAndGet(TagHelperContext context, TagHelperOutput output, string innerHtml)
@@ -80,7 +81,7 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
             var selectTagHelperOutput = GetInnerTagHelper(GetInputAttributes(context, output), context, selectTagHelper, "select", TagMode.StartTagAndEndTag);
 
             selectTagHelperOutput.Attributes.AddClass("form-control");
-            selectTagHelperOutput.Attributes.AddClass(GetSize(context,output));
+            selectTagHelperOutput.Attributes.AddClass(GetSize(context, output));
             AddDisabledAttribute(selectTagHelperOutput);
             AddInfoTextId(selectTagHelperOutput);
 
@@ -121,6 +122,12 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
             return GetLabelAsHtmlUsingTagHelper(context, output);
         }
 
+
+        protected virtual string GetRequiredSymbol(TagHelperContext context, TagHelperOutput output)
+        {
+            return GetAttribute<RequiredAttribute>(TagHelper.AspFor.ModelExplorer) != null ? "<span> (*) </span>" : "";
+        }
+
         protected virtual void AddInfoTextId(TagHelperOutput inputTagHelperOutput)
         {
             if (GetAttribute<InputInfoText>(TagHelper.AspFor.ModelExplorer) == null)