@page "/test"

<SfGrid DataSource="@GridData" Toolbar="@(new string[] {"Add", "Edit" ,"Delete","Update","Cancel" })">
    <GridEditSettings AllowAdding="true" AllowEditing="true" AllowDeleting="true" Mode="@EditMode.Dialog">
        <Template>
            @{
                var Order = (context as OrdersDetails);
                <div>
                    <div class="form-row">
                        <div class="form-group col-md-6">
                            <label class="e-float-text e-label-top">Order ID</label>
                            <SfNumericTextBox ID="OrderID" @bind-Value="@(Order.OrderID)" Enabled="@((Order.OrderID == null) ? true : false)"></SfNumericTextBox>
                        </div>
                        <div class="form-group col-md-6">
                            <label class="e-float-text e-label-top">Customer Name</label>
                            <SfAutoComplete ID="customerID" TItem="OrdersDetails" @bind-Value="@(Order.CustomerID)" TValue="string" DataSource="@GridData">
                                <AutoCompleteFieldSettings Value="CustomerID"></AutoCompleteFieldSettings>
                            </SfAutoComplete>
                        </div>
                    </div>
                    <div class="form-row">
                        <div class="form-group col-md-6">
                            <label class="e-float-text e-label-top">Freight</label>
                            <SfNumericTextBox ID="Freight" @bind-Value="@(Order.Freight)" TValue="double?"></SfNumericTextBox>
                        </div>
                        <div class="form-group col-md-6">
                            <label class="e-float-text e-label-top">Order Date</label>
                            <SfDatePicker ID="OrderDate" @bind-Value="@(Order.OrderDate)"></SfDatePicker>
                        </div>
                    </div>
                    <div class="form-row">
                        <div class="form-group col-md-6">
                            <label class="e-float-text e-label-top">Ship Country</label>
                            <SfDropDownList ID="ShipCountry" @bind-Value="@(Order.ShipCountry)" TItem="OrdersDetails" TValue="string" DataSource="@GridData">
                                <DropDownListFieldSettings Value="ShipCountry" Text="ShipCountry"></DropDownListFieldSettings>
                            </SfDropDownList>
                        </div>
                        <div class="form-group col-md-6">
                            <label class="e-float-text e-label-top">Ship City</label>
                            <SfDropDownList ID="ShipCity" @bind-Value="@(Order.ShipCity)" TItem="OrdersDetails" TValue="string" DataSource="@GridData">
                                <DropDownListFieldSettings Value="ShipCity" Text="ShipCity"></DropDownListFieldSettings>
                            </SfDropDownList>
                        </div>
                    </div>
                    <div class="form-row">
                        <div class="form-group col-md-12">
                            <label class="e-float-text e-label-top">Ship Address</label>
                            <SfTextBox ID="ShipAddress" @bind-Value="@(Order.ShipAddress)"></SfTextBox>
                        </div>
                    </div>
                    <div class="form-row">
                        <div class="form-group col-md-12">
                            <label class="e-float-text e-label-top">CheckBox throws "NullReferenceException: Object reference not set to an instance of an object" when checked using v18.2.0.48</label>
                            <SfCheckBox Label="Default" @bind-Checked="isChecked"></SfCheckBox>
                        </div>
                    </div>
                </div>
            }
        </Template>
    </GridEditSettings>
    <GridColumns>
        <GridColumn Field=@nameof(OrdersDetails.OrderID) HeaderText="Order ID" IsPrimaryKey="true" TextAlign="@TextAlign.Center" HeaderTextAlign="@TextAlign.Center" Width="140"></GridColumn>
        <GridColumn Field=@nameof(OrdersDetails.CustomerID) HeaderText="Customer Name" Width="150"></GridColumn>
        <GridColumn Field=@nameof(OrdersDetails.Freight) HeaderText="Freight" Format="C2" Width="140" TextAlign="@TextAlign.Right" HeaderTextAlign="@TextAlign.Right"></GridColumn>
        <GridColumn Field=@nameof(OrdersDetails.OrderDate) HeaderText="Order Date" Format="d" Type="ColumnType.Date" Width="160"></GridColumn>
        <GridColumn Field=@nameof(OrdersDetails.ShipCountry) HeaderText="Ship Country" Width="150"></GridColumn>
    </GridColumns>
</SfGrid>

@code{
    private bool isChecked = false;

    public List<OrdersDetails> GridData = new List<OrdersDetails>
{
        new OrdersDetails() { OrderID = 10248, CustomerID = "VINET", Freight = 32.38, ShipCity = "Berlin", OrderDate = DateTime.Now.AddDays(-2), ShipName = "Vins et alcools Chevalier", ShipCountry = "Denmark", ShipAddress = "Kirchgasse 6" },
        new OrdersDetails() { OrderID = 10249, CustomerID = "TOMSP", Freight = 11.61, ShipCity = "Madrid", OrderDate = DateTime.Now.AddDays(-5), ShipName = "Toms Spezialitäten", ShipCountry = "Brazil", ShipAddress = "Avda. Azteca 123" },
        new OrdersDetails() { OrderID = 10250, CustomerID = "HANAR", Freight = 65.83, ShipCity = "Cholchester", OrderDate = DateTime.Now.AddDays(-12), ShipName = "Hanari Carnes", ShipCountry = "Germany", ShipAddress = "Carrera 52 con Ave. Bolívar #65-98 Llano Largo" },
        new OrdersDetails() { OrderID = 10251, CustomerID = "VICTE", Freight = 41.34, ShipCity = "Marseille", OrderDate = DateTime.Now.AddDays(-18), ShipName = "Victuailles en stock", ShipCountry = "Austria", ShipAddress = "Magazinweg 7" },
        new OrdersDetails() { OrderID = 10252, CustomerID = "SUPRD", Freight = 51.3, ShipCity = "Tsawassen", OrderDate = DateTime.Now.AddDays(-22), ShipName = "Suprêmes délices", ShipCountry = "Switzerland", ShipAddress = "1029 - 12th Ave. S." },
        new OrdersDetails() { OrderID = 10253, CustomerID = "HANAR", Freight = 58.17, ShipCity = "Tsawassen", OrderDate = DateTime.Now.AddDays(-26), ShipName = "Hanari Carnes", ShipCountry = "Switzerland", ShipAddress = "1029 - 12th Ave. S." },
        new OrdersDetails() { OrderID = 10254, CustomerID = "CHOPS", Freight = 22.98, ShipCity = "Berlin", OrderDate = DateTime.Now.AddDays(-34), ShipName = "Chop-suey Chinese", ShipCountry = "Denmark", ShipAddress = "Kirchgasse 6" },
        new OrdersDetails() { OrderID = 10255, CustomerID = "RICSU", Freight = 148.33, ShipCity = "Madrid", OrderDate = DateTime.Now.AddDays(-39), ShipName = "Richter Supermarket", ShipCountry = "Brazil", ShipAddress = "Avda. Azteca 123" },
        new OrdersDetails() { OrderID = 10256, CustomerID = "WELLI", Freight = 13.97, ShipCity = "Madrid", OrderDate = DateTime.Now.AddDays(-43), ShipName = "Wellington Importadora", ShipCountry = "Brazil", ShipAddress = "Avda. Azteca 123" },
        new OrdersDetails() { OrderID = 10257, CustomerID = "HILAA", Freight = 81.91, ShipCity = "Cholchester", OrderDate = DateTime.Now.AddDays(-48), ShipName = "HILARION-Abastos", ShipCountry = "Germany", ShipAddress = "Carrera 52 con Ave. Bolívar #65-98 Llano Largo" }
    };

    public class OrdersDetails
    {
        public int? OrderID { get; set; }
        public string CustomerID { get; set; }
        public double? Freight { get; set; }
        public string ShipCity { get; set; }
        public DateTime OrderDate { get; set; }
        public string ShipName { get; set; }
        public string ShipCountry { get; set; }
        public string ShipAddress { get; set; }
    }
}

<style>
    .form-group.col-md-6 {
        width: 200px;
    }

    label.e-float-text {
        position: relative;
        padding-left: 0;
        top: 10%;
    }
</style>