added numeric field property editor component

src/FormBuilder/Components/NumericFieldPropertyEditor.razor

@@ -0,0 +1,19 @@
+@typeparam TValue where TValue : struct
+
+<RadzenFormField Text="Min">
+    <RadzenNumeric TValue="decimal?" Value="Field.Min" ValueChanged="OnMinChanged"/>
+</RadzenFormField>
+<RadzenFormField Text="Max">
+    <RadzenNumeric TValue="decimal?" Value="Field.Max" ValueChanged="OnMaxChanged"/>
+</RadzenFormField>
+<RadzenFormField Text="Step">
+    <RadzenNumeric TValue="decimal" />
+</RadzenFormField>
+<div>
+    <RadzenCheckBox TValue="bool" Name="ShowUpDownInput" Value="Field.ShowUpDown" ValueChanged="OnShowUpDownChanged"/>
+    <RadzenLabel Component="ShowUpDownInput" Text="Show Up Down" />
+</div>
+
+<RadzenFormField Text="Format">
+    <RadzenTextBox Value="@Field.Format" ValueChanged="OnFormatChanged"/>
+</RadzenFormField>

src/FormBuilder/Components/NumericFieldPropertyEditor.razor.cs

@@ -0,0 +1,43 @@
+using FormBuilder.Models;
+using Microsoft.AspNetCore.Components;
+
+namespace FormBuilder.Components;
+
+public partial class NumericFieldPropertyEditor<TValue> : ComponentBase where TValue : struct
+{
+    [Parameter, EditorRequired]
+    public NumericField<TValue> Field { get; set; } = default!;
+
+    [Parameter]
+    public EventCallback<NumericField<TValue>> FieldChanged { get; set; }
+
+    private void OnMinChanged(decimal? value)
+    {
+        Field.Min = value;
+        FieldChanged.InvokeAsync(Field);
+    }
+
+    private void OnMaxChanged(decimal? value)
+    {
+        Field.Max = value;
+        FieldChanged.InvokeAsync(Field);
+    }
+
+    private void OnStepChanged(string value)
+    {
+        Field.Step = value;
+        FieldChanged.InvokeAsync(Field);
+    }
+
+    private void OnShowUpDownChanged(bool value)
+    {
+        Field.ShowUpDown = value;
+        FieldChanged.InvokeAsync(Field);
+    }
+
+    private void OnFormatChanged(string? value)
+    {
+        Field.Format = value;
+        FieldChanged.InvokeAsync(Field);
+    }
+}