記錄總數： 總頁數： 當前頁： 轉到第頁
二、.ascx.cs文件
复制代码 代码如下:using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;
namespace IOCS.WEB.UserControl{ public partial class Pagination : System.Web.UI.UserControl { public event EventHandler PageButtonClick; public bool FirstPost = false; protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) {
} // 只輸入數字 txtpage.Attributes.Add("onclick", @"if(!((event.keyCode>=48&&event.keyCode<=57) ||(event.keyCode>=96&&event.keyCode<=105) ||(event.keyCode==8)))event.returnValue=false;" );
} GridView _gv;
///

/// 需要分頁的GridView ///

public GridView TargetControlID { set { _gv = value; } get { return _gv; } }
protected void PagerButtonClick(object sender, EventArgs e) { //獲得linkebutton的參數值 string arg = ((LinkButton)sender).CommandArgument; switch (arg) { case ("next"): { if (_gv.PageIndex < _gv.PageCount - 1) { _gv.PageIndex=_gv.PageIndex+1; } break; } case ("prev"): { if (_gv.PageIndex > 0) { _gv.PageIndex--; } break; } case ("first"): { _gv.PageIndex = 0; break; } case ("last"): { if (_gv.PageCount > 0) { _gv.PageIndex = _gv.PageCount - 1; } break; }
default: { _gv.PageIndex = Convert.ToInt32(arg); break; } } PageButtonClick(sender, e);
}
public void SetPageButton() { if (_gv.PageIndex == 0) { LinkFirst.Enabled = false; LinkPrevious.Enabled = false;
LinkFirst.Style["color"] = "gray"; LinkPrevious.Style["color"] = "gray";
object s = LinkFirst.Style.Keys; if (_gv.PageCount > 1) { LinkNext.Enabled = true; LinkLast.Enabled = true; txtpage.Enabled = true; txtpage.Enabled = true; LinkNext.Style["color"] = "#000"; LinkLast.Style["color"] = "#000"; txtpage.Style["readonly"] = "false"; } else { LinkNext.Enabled = false; LinkLast.Enabled = false; txtpage.Enabled = false; LinkNext.Style["color"] = "gray"; LinkLast.Style["color"] = "gray"; txtpage.Style["readonly"] = "true";//background-color } } else if (_gv.PageIndex == _gv.PageCount - 1) { LinkFirst.Enabled = true; LinkPrevious.Enabled = true; LinkNext.Enabled = false; LinkLast.Enabled = false; LinkFirst.Style["color"] = "#000"; LinkPrevious.Style["color"] = "#000"; LinkNext.Style["color"] = "gray"; LinkLast.Style["color"] = "gray"; } else { LinkFirst.Enabled = true; LinkPrevious.Enabled = true; LinkNext.Enabled = true; LinkLast.Enabled = true; LinkFirst.Style["color"] = "#000"; LinkPrevious.Style["color"] = "#000"; LinkNext.Style["color"] = "#000"; LinkLast.Style["color"] = "#000"; } }
///

/// 設定頁面信息 ///

/// DataSet的紀錄總數
public void SetPageRecord(int dsCount) { LRecords.Text = dsCount.ToString(); int mod= dsCount%_gv.PageSize; LPages.Text = (mod == 0 ? dsCount / _gv.PageSize : dsCount / _gv.PageSize + 1).ToString(); LPage.Text = (_gv.PageIndex + 1).ToString(); tbPage.Visible = true; SetPageButton(); }
protected void txtpage_TextChanged(object sender, EventArgs e) { if (txtpage.Text != "") { try { int index = int.Parse(txtpage.Text.Trim()); if (index <= _gv.PageCount && index >= 1) { _gv.PageIndex = index - 1; } else { Page.ClientScript.RegisterStartupScript(this.GetType(), "Script", "alert('對不起，頁數超過索引范圍!');"); } } catch {
Page.ClientScript.RegisterStartupScript(this.GetType(), "Script", "alert('對不起，只能輸入數字!');"); } } PageButtonClick(sender, e); } }}