Tasks.Module/Components/Dialogs/CreateCategoryDialog.razor

@using Tasks.Module.Models
@using Tasks.Module.Services

<MudDialog>
    <DialogContent>
        <MudTextField @bind-Value="_name" Label="Category Name" Required="true" Class="mb-3" />
        <MudTextField @bind-Value="_description" Label="Description" Lines="2" Class="mb-3" />
    </DialogContent>
    <DialogActions>
        <MudButton OnClick="Cancel">Cancel</MudButton>
        <MudButton Color="Color.Primary" OnClick="Submit" Disabled="string.IsNullOrWhiteSpace(_name)">
            @(IsUpdate ? "Update" : "Create")
        </MudButton>
    </DialogActions>
</MudDialog>

@code {
    [CascadingParameter]
    private IMudDialogInstance? MudDialog { get; set; }

    [Parameter]
    public object Category { get; set; } = new();

    [Parameter]
    public bool IsUpdate { get; set; }

    [Parameter]
    public bool IsChild { get; set; }

    private string _name = string.Empty;
    private string? _description;
    private string? _id;

    protected override void OnInitialized()
    {
        if (IsUpdate)
        {
            if (Category is UpdateCategoryDto updateDto)
            {
                _id = updateDto.Id;
                _name = updateDto.Name;
                _description = updateDto.Description;
            }
        }
        else
        {
            if (Category is CreateCategoryDto createDto)
            {
                _name = createDto.Name;
                _description = createDto.Description;
            }
        }
    }

    private void Submit()
    {
        if (IsUpdate)
        {
            if (Category is UpdateCategoryDto updateDto)
            {
                updateDto.Name = _name;
                updateDto.Description = _description;
            }
        }
        else
        {
            if (Category is CreateCategoryDto createDto)
            {
                createDto.Name = _name;
                createDto.Description = _description;
            }
        }
        MudDialog?.Close(DialogResult.Ok(true));
    }

    private void Cancel() => MudDialog?.Cancel();
}