From e835215d64a86b4bec7c4fe0d72e6f5680fab0ac Mon Sep 17 00:00:00 2001
From: Michael Ganss <michael@ganss.org>
Date: Fri, 17 May 2024 19:15:05 +0200
Subject: [PATCH] Set AllowEmptyStrings to true on RequiredAttribute (fixes
 #200)

---
 XmlSchemaClassGenerator/TypeModel.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/XmlSchemaClassGenerator/TypeModel.cs b/XmlSchemaClassGenerator/TypeModel.cs
index 7cbb112..d2e9526 100644
--- a/XmlSchemaClassGenerator/TypeModel.cs
+++ b/XmlSchemaClassGenerator/TypeModel.cs
@@ -762,6 +762,8 @@ public void AddMembersTo(CodeTypeDeclaration typeDeclaration, bool withDataBindi
             if (IsRequired && Configuration.DataAnnotationMode != DataAnnotationMode.None)
             {
                 var requiredAttribute = new CodeAttributeDeclaration(CodeUtilities.CreateTypeReference(Attributes.Required, Configuration));
+                var allowEmptyStringsArgument = new CodeAttributeArgument("AllowEmptyStrings", new CodePrimitiveExpression(true));
+                requiredAttribute.Arguments.Add(allowEmptyStringsArgument);
                 member.CustomAttributes.Add(requiredAttribute);
             }