c# - Globally configure MudBlazor validation messages for localization? - Stack Overflow

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I'm working on a Blazor application using MudBlazor and need to localize validation messages (like "Required") globally across all components. Currently, I have to set the validation message for each input individually, which isn't maintainable. For example, I currently have to do this for each component:

<MudSelect T="int?" @bind-Value="_input.SaleTypeId"
           RequiredError="@Localizer["Required"]"
           Label="@Localizer["SelectSaleType"]" 
           Dense="true" 
           Required="true">
    @foreach (var saleType in SaleTypes)
    {
        var id = (int?)saleType.Id;
        <MudSelectItem Value="@id">@saleType.Title</MudSelectItem>
    }
</MudSelect>

I'm working on a Blazor application using MudBlazor and need to localize validation messages (like "Required") globally across all components. Currently, I have to set the validation message for each input individually, which isn't maintainable. For example, I currently have to do this for each component:

<MudSelect T="int?" @bind-Value="_input.SaleTypeId"
           RequiredError="@Localizer["Required"]"
           Label="@Localizer["SelectSaleType"]" 
           Dense="true" 
           Required="true">
    @foreach (var saleType in SaleTypes)
    {
        var id = (int?)saleType.Id;
        <MudSelectItem Value="@id">@saleType.Title</MudSelectItem>
    }
</MudSelect>

• c#
• asp
• asp-core
• blazor
• mudblazor

Share Improve this question Follow edited yesterday Zhi Lv 21.5k11 gold badge2727 silver badges3737 bronze badges asked Feb 16 at 14:54 Alireza NooriAlireza Noori 15.3k3030 gold badges102102 silver badges190190 bronze badges

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1 Answer 1

Sorted by: Reset to default 3

According to this:

https://mudblazor/features/localization#translation-keys

MudBlazor does not currently support the MudSelect_Required key.

I guess you could create a custom MudSelect. Something like:

public class MyCustomMudSelect<T> : MudSelect<T>
{
    protected override void OnParametersSet()
    {
        if (Required)
            RequiredError = _localizer["Required"];

    }
}

Then use this custom MudSelect instead. It should automatically set the value on the base MudSelect.

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