refactor: 使用 null 代替空字符串

ArgoZhang · ArgoZhang · commit 73a772fd70ca · 2025-10-15T12:22:14.000+08:00
diff --git a/src/BootstrapBlazor.Server/Components/Samples/SelectCities.razor.cs b/src/BootstrapBlazor.Server/Components/Samples/SelectCities.razor.cs
@@ -10,7 +10,7 @@ namespace BootstrapBlazor.Server.Components.Samples;
 /// </summary>
 public partial class SelectCities
 {
-    private string _value = "";
+    private string? _value = null;
 
-    private string _multipleValues = "";
+    private string? _multipleValues = null;
 }

Original file line number	Diff line number	Diff line change
`@@ -10,7 +10,7 @@ namespace BootstrapBlazor.Server.Components.Samples;`
`10`	`10`	`/// </summary>`
`11`	`11`	`public partial class SelectCities`
`12`	`12`	`{`
`13`		`- private string _value = "";`
	`13`	`+ private string? _value = null;`
`14`	`14`
`15`		`- private string _multipleValues = "";`
	`15`	`+ private string? _multipleValues = null;`
`16`	`16`	`}`