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SelectExtended: Fix Initialized Value Doesn't Show on Input When Multiselection & Virtualize #583

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Merged
mckaragoz merged 2 commits into from
Jan 6, 2026
Merged

SelectExtended: Fix Initialized Value Doesn't Show on Input When Multiselection & Virtualize #583

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SelectExtended: Fix Initialized Value Doesn't Show on Input When Mult…
mckaragoz Jan 6, 2026
8733c2e
Add Docs Example
mckaragoz Jan 6, 2026
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29 changes: 29 additions & 0 deletions ...zor.Extensions.Docs/Pages/Components/SelectExtended/Examples/SelectExtendedExample9.razor
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@@ -0,0 +1,29 @@
@namespace MudExtensions.Docs.Examples

<MudGrid>
<MudItem xs="12" sm="8">
<MudStack>
<MudSelectExtended @bind-SelectedValues="@_values" Label="Select Overview" Virtualize="true" MultiSelection="_multiselection" Clearable="_clearable">
<MudSelectItemExtended Value="@("Foo")" Text="Foo" />
<MudSelectItemExtended Value="@("Bar")" Text="Bar" />
<MudSelectItemExtended Value="@("Fizz")" Text="Fizz" />
<MudSelectItemExtended Value="@("Buzz")" Text="Buzz" />
</MudSelectExtended>
<MudSelectExtended @bind-SelectedValues="@_values" Label="Data Based" ItemCollection="_collection" Virtualize="true" MultiSelection="_multiselection" Clearable="_clearable" />
</MudStack>
</MudItem>

<MudItem xs="12" sm="4">
<MudStack Spacing="2">
<MudSwitchM3 @bind-Value="_multiselection" Color="Color.Secondary" Label="Multiselection" />
<MudSwitchM3 @bind-Value="_clearable" Color="Color.Secondary" Label="Clearable" />
</MudStack>
</MudItem>
</MudGrid>

@code {
private bool _multiselection = true;
private bool _clearable = false;
private string[] _collection = new string[] { "Foo", "Bar", "Fizz", "Buzz" };
private IEnumerable<string?> _values = new List<string?>() { "Foo" };
}
4 changes: 4 additions & 0 deletions ...deBeam.MudBlazor.Extensions.Docs/Pages/Components/SelectExtended/SelectExtendedPage.razor
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Expand Up @@ -33,6 +33,10 @@
<ExampleCard ComponentName="SelectExtended" ExampleName="SelectExtendedExample5" Title="Chips" Description="Chips can be used as value visualization.">
<SelectExtendedExample5 />
</ExampleCard>

<ExampleCard ComponentName="SelectExtended" ExampleName="SelectExtendedExample9" Title="Virtualization" Description="MudSelectExtended support virtualization with a native parameter.">
<SelectExtendedExample9 />
</ExampleCard>

<ExampleCard ComponentName="SelectExtended" ExampleName="SelectExtendedExample7" Title="Select All position" Description="Select All can be places next to search.">
<SelectExtendedExample7 />
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2 changes: 1 addition & 1 deletion src/CodeBeam.MudBlazor.Extensions/Components/SelectExtended/MudSelectExtended.razor
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Expand Up @@ -163,7 +163,7 @@
<div style="display: none">
<CascadingValue Value="@this" IsFixed="true">
<MudListExtended T="T" @bind-SelectedValue:set="@SetValueAsync" @bind-SelectedValue:get="@ReadValue" @bind-SelectedValues="@SelectedValues" @bind-SelectedItem="@SelectedListItem" @bind-SelectedItems="@SelectedListItems"
Clickable="true" Color="@Color" Dense="@Dense" ItemCollection="@ItemCollection" Virtualize="@Virtualize" Padding="@EnablePopoverPadding" EnableSelectedItemStyle="@EnableSelectedItemStyle"
Clickable="true" Color="@Color" Dense="@Dense" ItemCollection="@ItemCollection" Padding="@EnablePopoverPadding" EnableSelectedItemStyle="@EnableSelectedItemStyle"
MultiSelection="@MultiSelection" MultiSelectionComponent="@MultiSelectionComponent" MultiSelectionAlign="@MultiSelectionAlign" SelectAll="@SelectAll" SelectAllPosition="@SelectAllPosition" SelectAllText="@SelectAllText"
CheckedIcon="@CheckedIcon" UncheckedIcon="@UncheckedIcon" IndeterminateIcon="@IndeterminateIcon" SelectValueOnTab="@SelectValueOnTab" Comparer="@Comparer" AddNullItem="@AddNullItem" AddedNullItemText="@AddedNullItemText"
ItemTemplate="@ItemTemplate" ItemSelectedTemplate="@ItemSelectedTemplate" ItemDisabledTemplate="@ItemDisabledTemplate" SearchBox="@SearchBox" SearchBoxAutoFocus="@SearchBoxAutoFocus" SearchFunc="@SearchFunc" SearchBoxPlaceholder="@SearchBoxPlaceholder"
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4 changes: 2 additions & 2 deletions src/CodeBeam.MudBlazor.Extensions/Components/SelectExtended/MudSelectExtended.razor.cs
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Expand Up @@ -42,11 +42,11 @@
/// <summary>
///
/// </summary>
protected Dictionary<T, MudSelectItemExtended<T?>> _valueLookup = new();

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The type 'T' cannot be used as type parameter 'TKey' in the generic type or method 'Dictionary<TKey, TValue>'. Nullability of type argument 'T' doesn't match 'notnull' constraint.

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The type 'T' cannot be used as type parameter 'TKey' in the generic type or method 'Dictionary<TKey, TValue>'. Nullability of type argument 'T' doesn't match 'notnull' constraint.
/// <summary>
///
/// </summary>
protected Dictionary<T, MudSelectItemExtended<T?>> _shadowLookup = new();

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The type 'T' cannot be used as type parameter 'TKey' in the generic type or method 'Dictionary<TKey, TValue>'. Nullability of type argument 'T' doesn't match 'notnull' constraint.
private MudInputExtended<string> _elementReference = new();
internal bool _isOpen;
/// <summary>
Expand Down Expand Up @@ -773,10 +773,10 @@
{
_selectedValues = new HashSet<T?>(_comparer) { ReadValue };
}
else if (MultiSelection && SelectedValues != null)
else if (MultiSelection && SelectedValues != null && SelectedValues.Any())
{
// TODO: Check this line again
SetValueAsync(SelectedValues.FirstOrDefault()).CatchAndLog();
SetValueAndUpdateTextAsync(SelectedValues.FirstOrDefault()).CatchAndLog();
}
}

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