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https://gitee.com/LongbowEnterprise/BootstrapBlazor.git
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!801 fix(#I2AMG2): can't open page when set OnSelectedItemChanged value on DropdownList components
* fix: change OnSelectedItemChanged to Func<TValue, Task>
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@ -129,6 +129,13 @@ namespace BootstrapBlazor.Shared.Pages
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Type = "RenderFragment",
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ValueList = " — ",
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DefaultValue = " — "
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},
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new AttributeItem() {
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Name = "OnSelectedItemChanged",
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Description = "下拉框选择项改变时回调此委托",
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Type = "Func<TValue, Task>",
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ValueList = " — ",
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DefaultValue = " — "
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}
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};
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}
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@ -116,7 +116,7 @@ namespace BootstrapBlazor.Components
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/// SelectedItemChanged 方法
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/// </summary>
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[Parameter]
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public EventCallback<TValue> OnSelectedItemChanged { get; set; }
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public Func<TValue, Task>? OnSelectedItemChanged { get; set; }
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[Inject]
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[NotNull]
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@ -147,6 +147,8 @@ namespace BootstrapBlazor.Components
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}
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}
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if (Data != null) Data = Data.ToList();
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await base.SetParametersAsync(ParameterView.Empty);
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}
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@ -163,9 +165,9 @@ namespace BootstrapBlazor.Components
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/// <summary>
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/// OnInitialized 方法
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/// </summary>
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protected override void OnParametersSet()
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protected override async Task OnParametersSetAsync()
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{
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base.OnParametersSet();
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await base.OnParametersSetAsync();
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// 双向绑定其他组件更改了数据源值时
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if (Data != null && CurrentItem != null && CurrentItem.ToString() != CurrentValueAsString)
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@ -193,20 +195,20 @@ namespace BootstrapBlazor.Components
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}
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}
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if (CurrentItem != null && OnSelectedItemChanged.HasDelegate) OnSelectedItemChanged.InvokeAsync(Value);
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if (CurrentItem != null && OnSelectedItemChanged != null) await OnSelectedItemChanged(Value);
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}
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/// <summary>
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/// 下拉框选项点击时调用此方法
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/// </summary>
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protected void OnItemClick(TModel item)
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protected async Task OnItemClick(TModel item)
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{
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CurrentItem = item;
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// ValueChanged
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CurrentValueAsString = GetValue(item);
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if (OnSelectedItemChanged.HasDelegate) OnSelectedItemChanged.InvokeAsync(Value);
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if (OnSelectedItemChanged != null) await OnSelectedItemChanged(Value);
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}
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#nullable disable
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