Pager Overview
The Telerik UI Pager TagHelper for ASP.NET Core is a server-side wrapper for the Kendo UI Pager widget which enables splitting a set of data into pages with flexible and intuitive UI.
The user interface of the Pager is useful for paging data-bound components that have a data source and do not have a built-in UI for paging such as the ListView or scenarios that require paging options—for example, Kendo Templates with a data source.
You can customize the page number templates or use an input for navigation to a specific page, toggle the visibility of previous and next buttons, include a pagesize dropdown and alter the information messages. The pager API also offers the ability to localize its messages.
Initializing the Pager
To use the Pager, you have to define a standalone data source and pass it by name to the Pager and to the data-bound control that will use it.
The following example demonstrates how to tie a pager to a data source and enable the page-sizes functionality.
<kendo-datasource name="dataSource1" type="DataSourceTagHelperType.Ajax" server-operation="false">
<transport>
<read url="@Url.Action("TagHelper_Products_Read", "DataSource")" />
</transport>
</kendo-datasource>
<kendo-pager name="pager1" refresh="true" datasource-id="dataSource1" page-sizes="true">
</kendo-pager>
Pager Settings and Types
The Pager has two types:
numericinput
The Pager is numeric by default. To configure the number of buttons that will be shown in a numeric pager, use the button-count attribute. To configure the pager to accept only use input, set the numeric attribute to false and the input attribute to true.
Responsive
The Kendo UI Pager is responsive by default. To disable the responsive behavior and have all of its elements visible at all times set the responsive attribute to false.
The Pager widget determines which internal elements to render based on its width. When the Pager width is greater than or equal to 600 pixels, all elements are visible:
When the Pager width is greater than or equal to 600 pixels, all elements are visible:
When the Pager width is greater than 480 and less than 600 pixels, the label showing the current paging information is hidden:
When the Pager width is greater than 360 and less than 480 pixels, the current page is represented by a native <select/> element. The pageSizes dropdown and the label showing the current paging information are hidden.
When the Pager width is less than 360 pixels, the current page is represented by a native <select/> element. The pageSizes dropdown and the label showing the current paging information are hidden.
Templates
The Kendo UI Pager features templates for its page number links.
To change the look of the currently selected page number, use the selectTemplate attribute.
To change the look of the non-selected page number links, use the linkTemplate attribute.
Messages
The Pager provides options for defining the tooltips for its page and navigation links, information text and labels.
To localize the messages, set the desired strings in the messages tags.
Event Handling
Subscribe to Events
You can subscribe to the events exposed by Kendo UI Pager by the handler name.
<kendo-pager name="pager" on-change="onChange">
<script>
function onChange(e) {
console.log("pager change event");
}
</script>
Reference
Existing Instances
You are able to reference an existing Pager instance via the jQuery.data(). Once a reference is established, you are able to use the Pager API to control its behavior.
//Put this after your Kendo Pager tag declaration
<script>
$(function() {
// Notice that the name of the Pager is used to get its client-side instance
var pager = $("#pager").data("kendoPager");
});
</script>