AutoComplete TagHelper Overview
The Telerik UI AutoComplete TagHelper for ASP.NET Core is a server-side wrapper for the Kendo UI AutoComplete widget.
The AutoComplete provides suggestions depending on the typed text and allows multiple value entries.
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Initializing the AutoComplete
The following example demonstrates how to define the AutoComplete by using the AutoComplete TagHelper.
<kendo-autocomplete name="products" filter="FilterType.StartsWith"></kendo-autocomplete>
Basic Configuration
The AutoComplete TagHelper configuration options are passed as attributes of the tag.
@(Html.Kendo().AutoComplete()
.Name("products2")
.DataTextField("ProductName")
.Filter("contains")
.MinLength(3)
.HtmlAttributes(new { style = "width:100%" })
.DataSource(source =>
{
source
.Read(read =>
{
read.Action("GetProducts", "Home")
.Data("onAdditionalData");
})
.ServerFiltering(true);
})
)
<script>
function onAdditionalData() {
return {
text: $("#products").val() // sends the typed value from the AutoComplete to the server
};
}
</script>
<kendo-autocomplete name="products" filter="FilterType.Contains"
datatextfield="ProductName"
min-length="3" style="width: 100%;">
<datasource type="DataSourceTagHelperType.Custom" server-filtering="true">
<transport>
<read url="@Url.Action("GetProducts", "Home")" data="onAdditionalData" />
</transport>
</datasource>
</kendo-autocomplete>
<script>
function onAdditionalData() {
return {
text: $("#products").val() // sends the typed value from the AutoComplete to the server
};
}
</script>
public JsonResult GetProducts(string text)
{
// filter the data based on the text value
// return an IEnumerable collection to the view
return Json(products.ToList());
}