DataGridEditMode Enum

@inject SupplierService supplierService

<DxDataGrid Data="@supplierService.GetSuppliersAsync"
            RowRemovingAsync="@OnRowRemoving"
            RowUpdatingAsync="@OnRowUpdating"
            RowInsertingAsync="@OnRowInserting"
            InitNewRow="@OnInitNewRow"
            EditMode="DataGridEditMode.PopupEditForm">
    @*...*@
</DxDataGrid>

@code {
    Task OnRowRemoving(Supplier dataItem) {
        return supplierService.Remove(dataItem);
    }
    Task OnRowUpdating(Supplier dataItem, IDictionary<string, object> newValue) {
        return supplierService.Update(dataItem, newValue);
    }
    Task OnRowInserting(IDictionary<string, object> newValue) {
        return supplierService.Insert(newValue);
    }
    Task OnInitNewRow(Dictionary<string, object> values) {
        values.Add("SupplierCategoryID", 1);
        values.Add("DeliveryMethodID", 1);
        values.Add("PhoneNumber", "(000) 000-0000");
        values.Add("BankAccountNumber", "0000000000");
        return Task.CompletedTask;
    }
}