Added Abp form content tag helper

src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/AbpTagHelperService.cs

@@ -16,6 +16,7 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers
         where TTagHelper : TagHelper
     {
         protected const string FormGroupContents = "FormGroupContents";
+        protected const string AbpFormContentPlaceHolder = "{_AbpFormContentPlaceHolder_}";
 
         public TTagHelper TagHelper { get; internal set; }
 

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

@@ -37,13 +37,13 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
 
             NormalizeTagMode(context, output);
 
-            await output.GetChildContentAsync();
+            var childContent = (await output.GetChildContentAsync()).GetContent();
 
             await ConvertToMvcForm(context, output);
 
             ProcessFields(context, output);
 
-            SetContent(output, list);
+            SetContent(output, list, childContent);
 
             SetFormAttributes(context, output);
 
@@ -86,16 +86,25 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
             output.Attributes.AddIfNotContains("method", "post");
         }
 
-        protected virtual void SetContent(TagHelperOutput output, List<FormGroupItem> items)
+        protected virtual void SetContent(TagHelperOutput output, List<FormGroupItem> items, string childContent)
         {
-            var preContentBuilder = new StringBuilder(output.PreContent.GetContent());
+            var contentBuilder = new StringBuilder("");
 
             foreach (var item in items.OrderBy(o => o.Order))
             {
-                preContentBuilder.AppendLine(item.HtmlContent);
+                contentBuilder.AppendLine(item.HtmlContent);
             }
 
-            output.PreContent.SetHtmlContent(preContentBuilder.ToString());
+            if (childContent.Contains(AbpFormContentPlaceHolder))
+            {
+                childContent = childContent.Replace(AbpFormContentPlaceHolder, contentBuilder.ToString());
+            }
+            else
+            {
+                childContent = contentBuilder + childContent;
+            }
+
+            output.Content.SetHtmlContent(childContent);
         }
 
         protected virtual void SetSubmitButton(TagHelperContext context, TagHelperOutput output)

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

@@ -0,0 +1,15 @@
+using Microsoft.AspNetCore.Razor.TagHelpers;
+using Volo.Abp.DependencyInjection;
+
+namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
+{
+    [HtmlTargetElement("abp-form-content", TagStructure = TagStructure.WithoutEndTag)]
+    public class AbpFormContentTagHelper : AbpTagHelper<AbpFormContentTagHelper, AbpFormContentTagHelperService>, ITransientDependency
+    {
+        public AbpFormContentTagHelper(AbpFormContentTagHelperService tagHelperService)
+            : base(tagHelperService)
+        {
+
+        }
+    }
+}

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

@@ -0,0 +1,16 @@
+using Microsoft.AspNetCore.Razor.TagHelpers;
+using Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Microsoft.AspNetCore.Razor.TagHelpers;
+
+namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Form
+{
+    public class AbpFormContentTagHelperService : AbpTagHelperService<AbpFormContentTagHelper>
+    {
+        public override void Process(TagHelperContext context, TagHelperOutput output)
+        {
+            output.Attributes.Clear();
+            output.TagName = "div";
+            output.TagMode = TagMode.StartTagAndEndTag;
+            output.Content.SetContent(AbpFormContentPlaceHolder);
+        }
+    }
+}

test/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Demo/Pages/Components/DynamicForms.cshtml

@@ -27,7 +27,7 @@
     </div>
     <div class="code-area">
         <pre>
-&lt;abp-dynamic-form abp-model=&quot;Model.PersonInput&quot; asp-antiforgery=&quot;true&quot;/&gt;
+&lt;abp-dynamic-form abp-model=&quot;Model.PersonInput&quot;/&gt;
 </pre>
     </div>
 </div>
@@ -38,6 +38,7 @@
     <div class="demo-area">
         <abp-dynamic-form abp-model="@Model.PersonInput">
             <abp-input asp-for="@Model.PersonInput.Phone.Number" label="Phone Number" />
+            <abp-button button-type="Primary" type="submit" text="submit" />
         </abp-dynamic-form>
         <hr />
         <h5>Posted Values:</h5>
@@ -129,4 +130,33 @@
     </div>
 </div>
 
+<h4># Form Content Placement </h4>
+
+<div class="demo-with-code">
+    <div class="demo-area">
+        <abp-dynamic-form abp-model="@Model.PersonInput">
+            <abp-form-content />
+            <abp-button button-type="Primary" type="submit" text="submit" />
+        </abp-dynamic-form>
+        <hr />
+        <h5>Posted Values:</h5>
+        <div>
+            Name: @Model.PersonInput.Name <br />
+            City: @Model.PersonInput.City <br />
+            Phone.Name: @Model.PersonInput.Phone.Name <br />
+            Phone.Number: @Model.PersonInput.Phone.Number <br />
+            Day: @Model.PersonInput.Day.ToString("yyyy-MM-dd") <br />
+            Country: @Model.PersonInput.Country <br />
+            IsActive: @Model.PersonInput.IsActive <br />
+        </div>
+    </div>
+    <div class="code-area">
+        <pre>
+&lt;abp-dynamic-form abp-model=&quot;@Model.PersonInput&quot;&gt;
+     &lt;abp-form-content /&gt;
+     &lt;abp-button button-type=&quot;Primary&quot; type=&quot;submit&quot; text=&quot;submit&quot; /&gt;
+&lt;/abp-dynamic-form&gt;
+</pre>
+    </div>
+</div>