Grouping composite column groups wrong column

Radzen.Blazor Components
1

Dragging a second row column to the group area, groups the wrong column when there's an invisible column.

I dragged LastName, but Postal Code was grouped:

image
If you use the column picker and make the ID column visible, then grouping lastname works correctly.

If the Region/Postal Code columns don't exist, nothing happens when dragging LastName. If you drag Postal Code, nothing happens.

Fwiw, If you make all columns visible, then hide just Region. Postal Code is not visible, but dragging LastName still groups by Postal Code. Something I noticed that will probably be fixed by above.

I'm using the Radzen.WebAssembly.sln, and this is the modified RadzenBlazorDemos\Pages\DataGridCompositeColumns.razor

@using RadzenBlazorDemos.Data
@using RadzenBlazorDemos.Models.Northwind
@using Microsoft.EntityFrameworkCore

@inherits DbContextPage

<RadzenCard Variant="Variant.Outlined" class="rz-my-4">
    <RadzenStack Orientation="Orientation.Horizontal" Gap="0.5rem" AlignItems="AlignItems.Center">
        <RadzenCheckBox @bind-Value=@allowCompositeDataCells Name="CheckBox1" TValue="bool" Change=@(args => grid.Reload())/>
        <RadzenLabel Text="Allow composite data cells" Component="CheckBox1" />
    </RadzenStack>
</RadzenCard>

<RadzenDataGrid @ref="grid" 
                AllowGrouping=true
                AllowColumnPicking="true"
                Data="@employees"
                AllowCompositeDataCells="true">
    <Columns>
        <RadzenDataGridColumn Property="FirstName" Title="FirstName">
            <Columns>
                <RadzenDataGridColumn Property="LastName" Title="LastName" />
            </Columns>
        </RadzenDataGridColumn>
        <RadzenDataGridColumn Property="Region" Title="Region">
            <Columns>
                <RadzenDataGridColumn Property="PostalCode" Title="Postal Code" />
            </Columns>
        </RadzenDataGridColumn>
        <RadzenDataGridColumn Property="City" Title="City" Width="80%" />
        <RadzenDataGridColumn Property="EmployeeID" Title="ID" Visible=false />
    </Columns>
</RadzenDataGrid>

@code {
    bool allowCompositeDataCells = false;
    RadzenDataGrid<Employee> grid;
    IEnumerable<Employee> employees;

    protected override async Task OnInitializedAsync()
    {
        await base.OnInitializedAsync();

        employees = dbContext.Employees.Include(x => x.Employee1);
    }
}
2

Thanks @JohnRobinson! We will research what's causing this and we will do our best to provide fix in one of our next updates.

1 Like
3

Fwiw, in my solution I have noticed the same issue in not composite columns as well. A grid with simple columns, dragging a column that is after a hidden one (as per definition in the markup), groups via the wrong column. As soon as I unhide the column all works as expected.

4

This is already reported and fixed - fix will be released Tomorrow.

5

Something is still not working right.

In DataGridColumnPicking.razor:
Set AllowGrouping="true" on the datagrid.
Move the last name under first name.

Then group last name.
It doesn't get grouped.

<RadzenDataGridColumn Property="@nameof(Employee.FirstName)" Title="First Name">
    <Columns>
        <RadzenDataGridColumn Property="@nameof(Employee.LastName)" Title="Last Name" Width="150px" />
    </Columns>
</RadzenDataGridColumn>
6

Issue confirmed! Fix will be published later today.

1 Like