asp.net Linq TO Sql paging method
- 2020-05-07 19:30:22
- OfStack
Paging method
Page calls
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="replist"> controls ID</param>
/// <param name="DataSource"> The data source </param>
/// <param name="IndexPage"> The current page </param>
/// <param name="PageSize"> Number of data bars per page </param>
/// <param name="PageParemart"> Page search parameters like &a=a&b=b </param>
/// <returns></returns>
public static string ShowPage<T>(System.Web.UI.WebControls.Repeater replist, IQueryable<T> DataSource, int IndexPage, int PageSize, string PageParemart)
{
string rtnStr = "";
int sourceCount = DataSource.Count();
if (sourceCount == 0)// Data source no data
{
rtnStr = string.Empty;
}
else
{
int yutemp = sourceCount % PageSize;
int pagecounts = (yutemp == 0) ? (sourceCount / PageSize) : (sourceCount / PageSize + 1);// Total number of pages
rtnStr = " <div style='width:100%;'><div style=' float:left;'> Page one: " + IndexPage + " page /" + pagecounts + " Page, " + sourceCount + " records </div> ";
if (pagecounts == 1) // In total, 1 Page data
{
replist.DataSource = DataSource;
rtnStr += "[ Home page ] [ on 1 page ] [ Under the 1 page ] [ back ] ";
}
else
{
rtnStr += "<div style=' float:right;'>";
if (IndexPage == 1)// Home page
{
replist.DataSource = DataSource.Take(PageSize);
rtnStr += "[ Home page ] [ on 1 page ] <a href='?page=" + (IndexPage + 1) + PageParemart + "'>[ Under the 1 page ]</a> <a href='?page=" + (pagecounts) + PageParemart + "'>[ back ]</a> ";
}
else
{
replist.DataSource = DataSource.Skip((IndexPage - 1) * PageSize).Take(PageSize);
if (IndexPage == pagecounts)// At the end of the page
{
rtnStr += "<a href='?page=1" + PageParemart + "'>[ Home page ]</a> <a href='?page=" + (IndexPage - 1) + PageParemart + "'>[ on 1 page ]</a> [ Under the 1 page ] [ back ] ";
}
else
{
rtnStr += "<a href='?page=1" + PageParemart + "'>[ Home page ]</a> <a href='?page=" + (IndexPage - 1) + PageParemart + "'>[ on 1 page ]</a> <a href='?page=" + (IndexPage + 1) + PageParemart + "'>[ Under the 1 page ]</a> <a href='?page=" + (pagecounts) + PageParemart + "'>[ back ]</a> ";
}
}
rtnStr += "</div></div>";
}
replist.DataBind();
}
return rtnStr;
}
Page calls
private int PageSize = 10;
private int IndexPage = 1;
private string PageParemart = "";
private void Bind()
{
strwhere = "1=1 " + strwhere;
str2 = "1=1 " + str2;
var a = from b in datas.fav_Awards_User select b;
Label2.Text = common.PageFen.ShowPage(replist, a, this.IndexPage, this.PageSize, this.PageParemart);
if (Label2.Text == "")
{
Label1.Visible = true;
}
}