RadzenDataGrid EmptyText causes ParameterView instance exception #658

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claunia · 2026-01-29T17:41:04Z

claunia commented

2026-01-29 17:41:04 +00:00

Originally created by @Dayjay on GitHub (Dec 1, 2022).

Describe the bug
Using the EmptyText property with a RadzenDataGrid causes the following error in a .NET MAUI Blazor app:

The ParameterView instance can no longer be read because it has expired. ParameterView can only be read synchronously and must not be stored for later use.

Using <EmptyTemplate> instead works fine.

.NET 7.0
Radzen.Blazor Version: 4.4.1

To Reproduce

<RadzenDataGrid TItem="Business" Data="@businesses" class="mb-3" EmptyText="Test">
        <Columns>
            <RadzenDataGridColumn TItem="Business" Property="Name" Title="Name" />
        </Columns>
</RadzenDataGrid>

@code {
List<Business> businesses = new List<Business>();

public class Business
    {
        public int Id { get; set; }

        public string Name { get; set; }
    }
}

Additional context

Might just be related to .NET MAUI.

Originally created by @Dayjay on GitHub (Dec 1, 2022). **Describe the bug** Using the `EmptyText` property with a `RadzenDataGrid` causes the following error in a .NET MAUI Blazor app: > The ParameterView instance can no longer be read because it has expired. ParameterView can only be read synchronously and must not be stored for later use. Using `<EmptyTemplate>` instead works fine. .NET 7.0 Radzen.Blazor Version: 4.4.1 **To Reproduce** ``` <RadzenDataGrid TItem="Business" Data="@businesses" class="mb-3" EmptyText="Test"> <Columns> <RadzenDataGridColumn TItem="Business" Property="Name" Title="Name" /> </Columns> </RadzenDataGrid> ``` ``` @code { List<Business> businesses = new List<Business>(); public class Business { public int Id { get; set; } public string Name { get; set; } } } ``` **Additional context** Might just be related to .NET MAUI.

claunia closed this issue

2026-01-29 17:41:04 +00:00

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Reference: starred/radzen-blazor#658