Implementing Paging In Repater or Datalist

aspx Page

Page:

<%# Container.DataItem %> 
C# File

public int PageNumber
{
get
{
if (ViewState["PageNumber"] != null)
return Convert.ToInt32(ViewState["PageNumber"]);
else
return 0;
}
set
{
ViewState["PageNumber"] = value;
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
LoadData();
}
protected void rptPages_ItemCommand(object source, RepeaterCommandEventArgs e)
{
PageNumber = Convert.ToInt32(e.CommandArgument) - 1;
LoadData();
}
private void LoadData()
{
DataTable dt = YatraGuruBL.Interface.Methods.Help.Get();

PagedDataSource pgitems = new PagedDataSource();
DataView dv = new DataView(dt);
pgitems.DataSource = dv;
pgitems.AllowPaging = true;
pgitems.PageSize = 3;
pgitems.CurrentPageIndex = PageNumber;
if (pgitems.PageCount > 1)
{
rptPages.Visible = true;
ArrayList pages = new ArrayList();
for (int i = 0; i < pgitems.PageCount; i++)
pages.Add((i + 1).ToString());
rptPages.DataSource = pages;
rptPages.DataBind();
}
else
rptPages.Visible = false;
rptItems.DataSource = pgitems;
rptItems.DataBind();
}