Consider @bind for EditorRequired parameters

src/Compiler/Microsoft.AspNetCore.Razor.Language/src/Components/ComponentLoweringPass.cs

@@ -196,7 +196,14 @@ static bool IsPresentAsAttribute(string attributeName, ComponentIntermediateNode
                 {
                     return true;
                 }
-                else if (child is ComponentChildContentIntermediateNode childContent && attributeName == childContent.AttributeName)
+                if (child is ComponentChildContentIntermediateNode childContent && attributeName == childContent.AttributeName)
+                {
+                    return true;
+                }
+                const string bindPrefix = "@bind-";
+                if (child is TagHelperDirectiveAttributeIntermediateNode { OriginalAttributeName: { } originalAttributeName } &&
+                    originalAttributeName.StartsWith(bindPrefix, StringComparison.Ordinal) &&
+                    originalAttributeName.AsSpan()[bindPrefix.Length..].Equals(attributeName.AsSpan(), StringComparison.Ordinal))
                 {
                     return true;
                 }

src/Compiler/Microsoft.AspNetCore.Razor.Language/test/IntegrationTests/ComponentCodeGenerationTestBase.cs

@@ -1138,6 +1138,37 @@ public class ComponentWithEditorRequiredParameters : ComponentBase
         Assert.Empty(generated.Diagnostics);
     }
 
+    [Fact, WorkItem("https://github.com/dotnet/razor/issues/7395")]
+    public void Component_WithEditorRequiredParameter_ValueSpecifiedUsingBind()
+    {
+        AdditionalSyntaxTrees.Add(Parse("""
+            using System;
+            using Microsoft.AspNetCore.Components;
+
+            namespace Test;
+
+            public class ComponentWithEditorRequiredParameters : ComponentBase
+            {
+                [Parameter]
+                [EditorRequired]
+                public string Property1 { get; set; }
+            }
+            """));
+
+        var generated = CompileToCSharp("""
+            <ComponentWithEditorRequiredParameters @bind-Property1="myField" />
+
+            @code {
+                private string myField = "Some Value";
+            }
+            """);
+
+        AssertDocumentNodeMatchesBaseline(generated.CodeDocument);
+        AssertCSharpDocumentMatchesBaseline(generated.CodeDocument);
+        CompileToAssembly(generated);
+        Assert.Empty(generated.Diagnostics);
+    }
+
     [Fact]
     public void Component_WithEditorRequiredChildContent_NoValueSpecified()
     {
@@ -6723,7 +6754,7 @@ public class Child<TOne, TTwo> : ComponentBase
         CompileToAssembly(generated);
     }
 
-    [Fact] // https://github.com/dotnet/razor/issues/7103
+    [Fact, WorkItem("https://github.com/dotnet/razor/issues/7103")]
     public void CascadingGenericInference_ParameterInNamespace()
     {
         // Arrange

src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/Component_WithEditorRequiredParameter_ValueSpecifiedUsingBind/TestComponent.codegen.cs

@@ -0,0 +1,66 @@
+// <auto-generated/>
+#pragma warning disable 1591
+namespace Test
+{
+    #line hidden
+    using global::System;
+    using global::System.Collections.Generic;
+    using global::System.Linq;
+    using global::System.Threading.Tasks;
+    using global::Microsoft.AspNetCore.Components;
+    public partial class TestComponent : global::Microsoft.AspNetCore.Components.ComponentBase
+    {
+        #pragma warning disable 219
+        private void __RazorDirectiveTokenHelpers__() {
+        }
+        #pragma warning restore 219
+        #pragma warning disable 0414
+        private static object __o = null;
+        #pragma warning restore 0414
+        #pragma warning disable 1998
+        protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder)
+        {
+            __o = global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.TypeCheck<global::System.String>(
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+                                                        myField
+
+#line default
+#line hidden
+#nullable disable
+            );
+            __o = global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.CreateInferredEventCallback(this, __value => myField = __value, myField);
+            __builder.AddAttribute(-1, "ChildContent", (global::Microsoft.AspNetCore.Components.RenderFragment)((__builder2) => {
+            }
+            ));
+            #pragma warning disable BL0005
+            ((global::Test.ComponentWithEditorRequiredParameters)default).
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+                                             Property1
+
+#line default
+#line hidden
+#nullable disable
+             = default;
+            #pragma warning restore BL0005
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+__o = typeof(global::Test.ComponentWithEditorRequiredParameters);
+
+#line default
+#line hidden
+#nullable disable
+        }
+        #pragma warning restore 1998
+#nullable restore
+#line 3 "x:\dir\subdir\Test\TestComponent.cshtml"
+
+    private string myField = "Some Value";
+
+#line default
+#line hidden
+#nullable disable
+    }
+}
+#pragma warning restore 1591

src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/Component_WithEditorRequiredParameter_ValueSpecifiedUsingBind/TestComponent.ir.txt

@@ -0,0 +1,29 @@
+Document - 
+    NamespaceDeclaration -  - Test
+        UsingDirective - (3:1,1 [20] ) - global::System
+        UsingDirective - (26:2,1 [40] ) - global::System.Collections.Generic
+        UsingDirective - (69:3,1 [25] ) - global::System.Linq
+        UsingDirective - (97:4,1 [36] ) - global::System.Threading.Tasks
+        UsingDirective - (136:5,1 [45] ) - global::Microsoft.AspNetCore.Components
+        ClassDeclaration -  - public partial - TestComponent - global::Microsoft.AspNetCore.Components.ComponentBase - 
+            DesignTimeDirective - 
+            CSharpCode - 
+                IntermediateToken -  - CSharp - #pragma warning disable 0414
+            CSharpCode - 
+                IntermediateToken -  - CSharp - private static object __o = null;
+            CSharpCode - 
+                IntermediateToken -  - CSharp - #pragma warning restore 0414
+            MethodDeclaration -  - protected override - void - BuildRenderTree
+                Component - (0:0,0 [67] x:\dir\subdir\Test\TestComponent.cshtml) - ComponentWithEditorRequiredParameters
+                    ComponentAttribute - (56:0,56 [7] x:\dir\subdir\Test\TestComponent.cshtml) - Property1 - Property1 - AttributeStructure.DoubleQuotes
+                        CSharpExpression - 
+                            LazyIntermediateToken - (56:0,56 [7] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - myField
+                    ComponentAttribute - (56:0,56 [7] x:\dir\subdir\Test\TestComponent.cshtml) - Property1Changed -  - AttributeStructure.DoubleQuotes
+                        CSharpExpression - 
+                            IntermediateToken -  - CSharp - global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.CreateInferredEventCallback(this, 
+                            IntermediateToken -  - CSharp - __value => myField = __value
+                            IntermediateToken -  - CSharp - , myField)
+                HtmlContent - (67:0,67 [4] x:\dir\subdir\Test\TestComponent.cshtml)
+                    LazyIntermediateToken - (67:0,67 [4] x:\dir\subdir\Test\TestComponent.cshtml) - Html - \n\n
+            CSharpCode - (78:2,7 [46] x:\dir\subdir\Test\TestComponent.cshtml)
+                LazyIntermediateToken - (78:2,7 [46] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - \n    private string myField = "Some Value";\n

src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentDesignTimeCodeGenerationTest/Component_WithEditorRequiredParameter_ValueSpecifiedUsingBind/TestComponent.mappings.txt

@@ -0,0 +1,19 @@
+Source Location: (56:0,56 [7] x:\dir\subdir\Test\TestComponent.cshtml)
+|myField|
+Generated Location: (1082:25,56 [7] )
+|myField|
+
+Source Location: (45:0,45 [9] x:\dir\subdir\Test\TestComponent.cshtml)
+|Property1|
+Generated Location: (1720:39,45 [9] )
+|Property1|
+
+Source Location: (78:2,7 [46] x:\dir\subdir\Test\TestComponent.cshtml)
+|
+    private string myField = "Some Value";
+|
+Generated Location: (2163:57,7 [46] )
+|
+    private string myField = "Some Value";
+|
+

src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/Component_WithEditorRequiredParameter_ValueSpecifiedUsingBind/TestComponent.codegen.cs

@@ -0,0 +1,40 @@
+// <auto-generated/>
+#pragma warning disable 1591
+namespace Test
+{
+    #line hidden
+    using global::System;
+    using global::System.Collections.Generic;
+    using global::System.Linq;
+    using global::System.Threading.Tasks;
+    using global::Microsoft.AspNetCore.Components;
+    public partial class TestComponent : global::Microsoft.AspNetCore.Components.ComponentBase
+    {
+        #pragma warning disable 1998
+        protected override void BuildRenderTree(global::Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder __builder)
+        {
+            __builder.OpenComponent<global::Test.ComponentWithEditorRequiredParameters>(0);
+            __builder.AddComponentParameter(1, "Property1", global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.TypeCheck<global::System.String>(
+#nullable restore
+#line 1 "x:\dir\subdir\Test\TestComponent.cshtml"
+                                                        myField
+
+#line default
+#line hidden
+#nullable disable
+            ));
+            __builder.AddComponentParameter(2, "Property1Changed", global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.CreateInferredEventCallback(this, __value => myField = __value, myField));
+            __builder.CloseComponent();
+        }
+        #pragma warning restore 1998
+#nullable restore
+#line 3 "x:\dir\subdir\Test\TestComponent.cshtml"
+
+    private string myField = "Some Value";
+
+#line default
+#line hidden
+#nullable disable
+    }
+}
+#pragma warning restore 1591

src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/Component_WithEditorRequiredParameter_ValueSpecifiedUsingBind/TestComponent.ir.txt

@@ -0,0 +1,20 @@
+Document - 
+    NamespaceDeclaration -  - Test
+        UsingDirective - (3:1,1 [22] ) - global::System
+        UsingDirective - (26:2,1 [42] ) - global::System.Collections.Generic
+        UsingDirective - (69:3,1 [27] ) - global::System.Linq
+        UsingDirective - (97:4,1 [38] ) - global::System.Threading.Tasks
+        UsingDirective - (136:5,1 [47] ) - global::Microsoft.AspNetCore.Components
+        ClassDeclaration -  - public partial - TestComponent - global::Microsoft.AspNetCore.Components.ComponentBase - 
+            MethodDeclaration -  - protected override - void - BuildRenderTree
+                Component - (0:0,0 [67] x:\dir\subdir\Test\TestComponent.cshtml) - ComponentWithEditorRequiredParameters
+                    ComponentAttribute - (56:0,56 [7] x:\dir\subdir\Test\TestComponent.cshtml) - Property1 - Property1 - AttributeStructure.DoubleQuotes
+                        CSharpExpression - 
+                            LazyIntermediateToken - (56:0,56 [7] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - myField
+                    ComponentAttribute - (56:0,56 [7] x:\dir\subdir\Test\TestComponent.cshtml) - Property1Changed -  - AttributeStructure.DoubleQuotes
+                        CSharpExpression - 
+                            IntermediateToken -  - CSharp - global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.CreateInferredEventCallback(this, 
+                            IntermediateToken -  - CSharp - __value => myField = __value
+                            IntermediateToken -  - CSharp - , myField)
+            CSharpCode - (78:2,7 [46] x:\dir\subdir\Test\TestComponent.cshtml)
+                LazyIntermediateToken - (78:2,7 [46] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - \n    private string myField = "Some Value";\n

src/Compiler/Microsoft.AspNetCore.Razor.Language/test/TestFiles/IntegrationTests/ComponentRuntimeCodeGenerationTest/Component_WithEditorRequiredParameter_ValueSpecifiedUsingBind/TestComponent.mappings.txt

@@ -0,0 +1,9 @@
+Source Location: (78:2,7 [46] x:\dir\subdir\Test\TestComponent.cshtml)
+|
+    private string myField = "Some Value";
+|
+Generated Location: (1414:31,7 [46] )
+|
+    private string myField = "Some Value";
+|
+

src/Compiler/test/Microsoft.NET.Sdk.Razor.SourceGenerators.Tests/RazorSourceGeneratorTests.cs

@@ -1255,7 +1255,7 @@ internal sealed class Views_Shared__Layout : global::Microsoft.AspNetCore.Mvc.Ra
             );
         }
 
-        [Fact] // https://github.com/dotnet/razor/issues/7049
+        [Fact, WorkItem("https://github.com/dotnet/razor/issues/7049")]
         public async Task SourceGenerator_CshtmlFiles_TagHelperInFunction()
         {
             // Arrange
@@ -2005,7 +2005,10 @@ internal sealed class Pages_Index : global::Microsoft.AspNetCore.Mvc.Razor.Razor
         public async override global::System.Threading.Tasks.Task ExecuteAsync()
         {
             WriteLiteral(""\r\n"");
-            __tagHelperExecutionContext = __tagHelperScopeManager.Begin(""h2"", global::Microsoft.AspNetCore.Razor.TagHelpers.TagMode.StartTagAndEndTag, ""5d59ecd7b7cf7355d7f60234988be34b81a8b6142529"", async() => {
+            __tagHelperExecutionContext = __tagHelperScopeManager.Begin(""h2"", global::Microsoft.AspNetCore.Razor.TagHelpers.TagMode.StartTagAndEndTag, ""5d59ecd7b7cf7355d7f60234988be34b81a8b6142529"", 
+            #pragma warning disable 1998
+            async() => {
+                #pragma warning restore 1998
                 WriteLiteral(""Hello world"");
             }
             );
@@ -2504,7 +2507,10 @@ internal sealed class Views_Home_Index : global::Microsoft.AspNetCore.Mvc.Razor.
         #pragma warning disable 1998
         public async override global::System.Threading.Tasks.Task ExecuteAsync()
         {
-            __tagHelperExecutionContext = __tagHelperScopeManager.Begin(""vc:test"", global::Microsoft.AspNetCore.Razor.TagHelpers.TagMode.SelfClosing, ""209ff2a910aa467bb7942ed3e6cb586652327a442587"", async() => {
+            __tagHelperExecutionContext = __tagHelperScopeManager.Begin(""vc:test"", global::Microsoft.AspNetCore.Razor.TagHelpers.TagMode.SelfClosing, ""209ff2a910aa467bb7942ed3e6cb586652327a442587"", 
+            #pragma warning disable 1998
+            async() => {
+                #pragma warning restore 1998
             }
             );
             __TestViewComponentTagHelper = CreateTagHelper<global::AspNetCoreGeneratedDocument.Views_Home_Index.__Generated__TestViewComponentTagHelper>();

src/Compiler/test/Microsoft.NET.Sdk.Razor.SourceGenerators.Tests/TestFiles/RazorSourceGeneratorTagHelperTests/CustomTagHelper/Views_Home_Index_cshtml.g.cs

@@ -43,9 +43,15 @@ internal sealed class Views_Home_Index : global::Microsoft.AspNetCore.Mvc.Razor.
         public async override global::System.Threading.Tasks.Task ExecuteAsync()
         {
             WriteLiteral("\r\n");
-            __tagHelperExecutionContext = __tagHelperScopeManager.Begin("email", global::Microsoft.AspNetCore.Razor.TagHelpers.TagMode.StartTagAndEndTag, "c7a5bfe3b24fca2a512de60cbc0070e782f08b7a2540", async() => {
+            __tagHelperExecutionContext = __tagHelperScopeManager.Begin("email", global::Microsoft.AspNetCore.Razor.TagHelpers.TagMode.StartTagAndEndTag, "c7a5bfe3b24fca2a512de60cbc0070e782f08b7a2540", 
+            #pragma warning disable 1998
+            async() => {
+                #pragma warning restore 1998
                 WriteLiteral("\r\n    custom tag helper\r\n    ");
-                __tagHelperExecutionContext = __tagHelperScopeManager.Begin("email", global::Microsoft.AspNetCore.Razor.TagHelpers.TagMode.StartTagAndEndTag, "c7a5bfe3b24fca2a512de60cbc0070e782f08b7a2828", async() => {
+                __tagHelperExecutionContext = __tagHelperScopeManager.Begin("email", global::Microsoft.AspNetCore.Razor.TagHelpers.TagMode.StartTagAndEndTag, "c7a5bfe3b24fca2a512de60cbc0070e782f08b7a2930", 
+                #pragma warning disable 1998
+                async() => {
+                    #pragma warning restore 1998
                     WriteLiteral("nested tag helper");
                 }
                 );

src/Compiler/test/Microsoft.NET.Sdk.Razor.SourceGenerators.Tests/TestFiles/RazorSourceGeneratorTagHelperTests/ViewComponent/Views_Home_Index_cshtml.g.cs

@@ -51,7 +51,10 @@ internal sealed class Views_Home_Index : global::Microsoft.AspNetCore.Mvc.Razor.
 #line hidden
 #nullable disable
             WriteLiteral("\r\n");
-            __tagHelperExecutionContext = __tagHelperScopeManager.Begin("vc:test", global::Microsoft.AspNetCore.Razor.TagHelpers.TagMode.SelfClosing, "ae625dc7ef6db4af156601325d79196402a512422749", async() => {
+            __tagHelperExecutionContext = __tagHelperScopeManager.Begin("vc:test", global::Microsoft.AspNetCore.Razor.TagHelpers.TagMode.SelfClosing, "ae625dc7ef6db4af156601325d79196402a512422749", 
+            #pragma warning disable 1998
+            async() => {
+                #pragma warning restore 1998
             }
             );
             __TestViewComponentTagHelper = CreateTagHelper<global::AspNetCoreGeneratedDocument.Views_Home_Index.__Generated__TestViewComponentTagHelper>();