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Templates

The AutoComplete has been provided with several options to customize each list items, group title, header, and footer elements.

Item template

The content of each list item within the AutoComplete can be customized with the help of ItemTemplate property.

In the following sample, each list item is split into two columns to display relevant data.

@using Syncfusion.EJ2.Blazor.Data
@using Syncfusion.EJ2.Blazor.DropDowns

<EjsAutoComplete TValue="string" ModelType="@Data" Placeholder="Select a customer" Query="@Query">
    <AutoCompleteTemplates>
        <ItemTemplate>
            <span><span class='name'>@((context as EmployeeData).FirstName)</span><span class='country'>@((context as EmployeeData).Country)</span></span>
        </ItemTemplate>
    </AutoCompleteTemplates>
        <EjsDataManager Url="https://ej2services.syncfusion.com/production/web-services/api/Employees" Adaptor="Adaptors.WebApiAdaptor" CrossDomain="true"></EjsDataManager>
    <AutoCompleteFieldSettings Value="FirstName"></AutoCompleteFieldSettings>
</EjsAutoComplete>

@code {
    public class EmployeeData
    {
        public string FirstName { get; set; }
        public string Country { get; set; }
    }
    public EmployeeData Data = new EmployeeData();
    public string Query = "new ej.data.Query().select(['FirstName', 'Country']).take(6).requiresCount()";
}

<style>
    .country {
        right: 15px;
        position: absolute;
    }
</style>

The output will be as follows.

AutoComplete

Group template

The group header title under which appropriate sub-items are categorized can also be customized with the help of GroupTemplate property. This template is common for both inline and floating group header templates.

In the following sample, employees are grouped according to their country.

@using Syncfusion.EJ2.Blazor.Data
@using Syncfusion.EJ2.Blazor.DropDowns

<EjsAutoComplete TValue="string" ModelType="@Data" Placeholder="Select a customer" Query="@Query">
    <AutoCompleteTemplates>
        <GroupTemplate>
            <span class="group">@((context as EmployeeData).Country)</span>
        </GroupTemplate>
    </AutoCompleteTemplates>
        <EjsDataManager Url="https://ej2services.syncfusion.com/production/web-services/api/Employees" Adaptor="Adaptors.WebApiAdaptor" CrossDomain="true"></EjsDataManager>
        <AutoCompleteFieldSettings Value="FirstName" GroupBy="Country"></AutoCompleteFieldSettings>
</EjsAutoComplete>

@code {

    public class EmployeeData
    {
        public string FirstName { get; set; }
        public string Country { get; set; }
    }

    public EmployeeData Data = new EmployeeData();
    public string Query = "new ej.data.Query().select(['FirstName', 'Country']).take(6).requiresCount()";
}

<style>
    .group {
        color:slategrey;
    }
</style>

The output will be as follows.

AutoComplete

Header template

The header element is shown statically at the top of the suggestion list items within the AutoComplete, and any custom element can be placed as a header element using the HeaderTemplate property.

In the following sample, the list items and its headers are designed and displayed as two columns similar to multiple columns of the grid.

@using Syncfusion.EJ2.Blazor.Data
@using Syncfusion.EJ2.Blazor.DropDowns

<EjsAutoComplete TValue="string" ModelType="@Data" Placeholder="Select a customer" Query="@Query">
    <AutoCompleteTemplates>
        <ItemTemplate>
            <span class='item'><span class='name'>@((context as EmployeeData).FirstName)</span><span class='city'>@((context as EmployeeData).Country)</span></span>
        </ItemTemplate>
        <HeaderTemplate>
            <span class='head'><span class='name'>Name</span><span class='city'>Country</span></span>
        </HeaderTemplate>
    </AutoCompleteTemplates>
    <EjsDataManager Url="https://ej2services.syncfusion.com/production/web-services/api/Employees" Adaptor="Adaptors.WebApiAdaptor" CrossDomain="true"></EjsDataManager>
    <AutoCompleteFieldSettings Value="FirstName"></AutoCompleteFieldSettings>
</EjsAutoComplete>

@code {
    public class EmployeeData
    {
        public string FirstName { get; set; }
        public string Country { get; set; }
    }
    public EmployeeData Data = new EmployeeData();
    public string Query = "new ej.data.Query().select(['FirstName', 'Country']).take(6).requiresCount()";
}

<style>
    .head, .item {
        display: table;
        width: 100%;
        margin: auto;
    }

    .head {
        height: 40px;
        font-size: 15px;
        font-weight: 600;
    }

    .name, .city {
        display: table-cell;
        vertical-align: middle;
        width: 50%;
    }

    .head .name {
        text-indent: 16px;
    }

    .head .city {
        text-indent: 10px;
    }
</style>

The output will be as follows.

AutoComplete

The AutoComplete has options to show a footer element at the bottom of the list items in the suggestion list. Here, you can place any custom element as a footer element using FooterTemplate property.

In the following sample, footer element displays the total number of list items present in the AutoComplete.

@using Syncfusion.EJ2.Blazor.Data
@using Syncfusion.EJ2.Blazor.DropDowns

<EjsAutoComplete TValue="string" ModelType="@Data" Query="@Query" Placeholder="Select a customer">
    <AutoCompleteTemplates>
        <FooterTemplate>
            <span class='footer'>Total list item: 6</span>
        </FooterTemplate>
    </AutoCompleteTemplates>
    <EjsDataManager Url="https://ej2services.syncfusion.com/production/web-services/api/Employees" Adaptor="Adaptors.WebApiAdaptor" CrossDomain=true></EjsDataManager>
    <AutoCompleteFieldSettings Value="FirstName"></AutoCompleteFieldSettings>
</EjsAutoComplete>

@code {

    public class EmployeeData
    {
        public string FirstName { get; set; }
    }
    public EmployeeData Data = new EmployeeData();
    public string Query = "new ej.data.Query().select(['FirstName', 'Country']).take(6).requiresCount()";
}

<style>
    .footer {
        text-indent: 1.2em;
        display: block;
        font-size: 15px;
        line-height: 40px;
        border-top: 1px solid #e0e0e0;
    }
</style>

The output will be as follows.

AutoComplete

No records template

The AutoComplete is provided with support to custom design the suggestion list content when no data is found and no matches found on search with the help of the NoRecordsTemplate property.

In the following sample, suggestion list content displays the notification of no data available.

@using Syncfusion.EJ2.Blazor.DropDowns

<EjsAutoComplete TValue="string" ModelType="@Data" Placeholder="Select a customer" DataSource="@Country">
    <AutoCompleteTemplates>
        <NoRecordsTemplate>
            <span class='norecord'> NO DATA AVAILABLE</span>
        </NoRecordsTemplate>
    </AutoCompleteTemplates>
    <AutoCompleteFieldSettings Value="Name"></AutoCompleteFieldSettings>
</EjsAutoComplete>

@code {
    public class EmployeeData
    {
        public string Name { get; set; }
    }
    public EmployeeData Data = new EmployeeData();

    public class Countries
    {
        public string Name { get; set; }

        public string Code { get; set; }
    }

    List<Countries> Country = new List<Countries>
   {
        new Countries() { Name = "Australia", Code = "AU" },
        new Countries() { Name = "Bermuda", Code = "BM" },
        new Countries() { Name = "Canada", Code = "CA" },
        new Countries() { Name = "Cameroon", Code = "CM" },
        new Countries() { Name = "Denmark", Code = "DK" },
    };
}

The output will be as follows.

AutoComplete

Action failure template

There is also an option to custom design the suggestion list content when the data fetch request fails at the remote server. This can be achieved using the ActionFailureTemplate property.

In the following sample, when the data fetch request fails, the AutoComplete displays the notification.

@using Syncfusion.EJ2.Blazor.Data
@using Syncfusion.EJ2.Blazor.DropDowns

<EjsAutoComplete TValue="string" ModelType="@Data" Placeholder="Select a customer" Query="@Query">
    <AutoCompleteTemplates>
        <ActionFailureTemplate>
            <span class='norecord'>Data fetch get fails </span>
        </ActionFailureTemplate>
    </AutoCompleteTemplates>
    <EjsDataManager Url="https://services.odata.org/V4/Northwind/Northwind.svcs/Employees" Adaptor="Adaptors.ODataV4Adaptor" CrossDomain="true"></EjsDataManager>
    <AutoCompleteFieldSettings Value="FirstName"></AutoCompleteFieldSettings>
</EjsAutoComplete>

@code {
    public class EmployeeData
    {
        public string FirstName { get; set; }
    }
    public EmployeeData Data = new EmployeeData();
    public string Query = "new ej.data.Query().select(['FirstName', 'Country']).take(6).requiresCount()";
}