更新

ShrlAlgoToolkit.Mvvm/Attributes/IsNumericAttribute.cs

@@ -1,4 +1,5 @@
 using System.ComponentModel.DataAnnotations;
+using System.Globalization;
 
 namespace ShrlAlgoToolkit.Mvvm.Attributes;
 
@@ -9,4 +10,12 @@ public sealed class IsNumericAttribute : ValidationAttribute
     {
         return double.TryParse(value.ToString(), out var _) ? ValidationResult.Success : new("输入内容不是数值。");
     }
+    public override bool IsValid(object value)
+    {
+        return double.TryParse(value.ToString(), out var _);
+    }
+    public override string FormatErrorMessage(string name)
+    {
+        return string.Format(CultureInfo.CurrentCulture, base.ErrorMessageString, [name]);
+    }
 }