Custom Pager for SPGridView - Part 2

Now that we have an enhanced gridview, we can associate a pager with it. SPGridViewPager comes to mind. The way it is displayed is not exactly what we want, because all it allows you to do is to move to the next page and to the previous page, and it displays the range of rows, not individual page numbers, like this:

There aren't any properties in SPGridViewPager to alter this display style. So, we need to create a new pager class, inheriting from SPGridViewPager.  Unfortunately, overriding the CreateChildControls() method in this class does nothing. So, our only hope is to override the Render() method:

This allows us to generate HTML on the fly, overriding the default rendering.

The problem we are having now is that we will have to trigger a postback from HTML elements. This is not so hard - that's what the Page.ClientScript.GetPostBackEventReference method is for. Here is how we can display individual page numbers (with the number in bold if the page is current, and a link to the correct page for non-current page numbers.)

In this method, a postback is triggered, with the gridview being the event target and "Page$" followed by a number being the event argument. The OOTB SPGridView knows how to raise a postback event for such an event argument.

Here I would like to remind everyone that the Page.ClientScript.GetPostBackEventReference(target,argument) method call is displayed in the HTML source as "javascript:__doPostBack(target, argument)."

To be continued...