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/// <summary> /// 塗聚文 /// 20140225 /// </summary> public
partial class DatatablePage : System.Web.UI.Page { /// <summary> /// 测试 分页数据 /// </summary> DataTable pageDt; /// <summary> /// /// </summary> public
void geovinduDt() { pageDt = new
DataTable(); pageDt.Columns.Add("id", typeof(int)); pageDt.Columns.Add("ddno", typeof(string)); pageDt.Columns.Add("dd", typeof(string)); //dtyhdd.Rows.Add("1", "n1"); //dtyhdd.Rows.Add("2", "n2"); for
(int
i = 1; i <= 31; i++) { //保存到内存表中 DataRow tr = this.pageDt.NewRow(); tr["id"] = i; tr["ddno"] = i.ToString(); tr["dd"] = i.ToString() + "内容"; pageDt.Rows.Add(tr); } } /// <summary> /// 隐患地点共分多少页 /// </summary> int
verypage = 0; /// <summary> /// 隐患当前页 /// </summary> int
currentPage = 0; /// <summary> /// 每页显示多少数据 /// </summary> int
PageSize = 1; /// <summary> /// /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected
void Page_Load(object
sender, EventArgs e) { if
(!IsPostBack) { if
(!string.IsNullOrEmpty(Request.QueryString["page"])) { currentPage = int.Parse(Request.QueryString["page"]); } currentPage++; this.TextBox1.Text = currentPage.ToString(); //【初始化数据】 geovinduDt(); //【执行分页显示】 //每次显示10条数据 需要多少次 verypage = pageDt.Rows.Count / 1; //是否有余数 int
numys = pageDt.Rows.Count % 1; if
(numys > 0) { currentPage++; } //comyhdd.Items.Clear(); if
(currentPage >= pageDt.Rows.Count) { Button1.Enabled = false; return; } DataRow[] mMatches = pageDt.Select("(id="
+ currentPage + ")"); //DataRow matches = new DataRow(); string
strName = mMatches[0]["dd"].ToString(); DataSet pDS = new
System.Data.DataSet(); System.Data.DataTable mDT = pageDt.Clone(); mDT.Clear(); //mDT.TableName = mTableName; //mDT = mDT.Clone(); for
(int
i = 0; i < mMatches.Length; i++) { mDT.Rows.Add(mMatches[i].ItemArray); } pDS.Tables.Add(mDT); //1 Repeater1.DataSource = GetPagedTable(pageDt, currentPage, PageSize); Repeater1.DataBind(); //2 //Repeater1.DataSource = pDS; //Repeater1.DataBind(); this.TextBox1.Text = strName; //Repeater1.DataSource = GetPagedTable(pageDt, yhdddqi, PageSize); //Repeater1.DataBind(); this.Label1.Text = currentPage.ToString() + "/"
+ verypage; } } /// <summary> /// /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected
void Button1_Click(object
sender, EventArgs e) { verypage = 1; //下一页 if
(!string.IsNullOrEmpty(Request.QueryString["page"])) { currentPage = int.Parse(Request.QueryString["page"]); } currentPage++; geovinduDt(); if
(currentPage >= pageDt.Rows.Count) { Button1.Enabled = false; return; } DataRow[] mMatches = pageDt.Select("(id="
+ currentPage + ")"); //DataRow matches = new DataRow(); string
strName = mMatches[0]["dd"].ToString(); this.TextBox1.Text = strName; string
answer = string.Empty; if
(CheckBoxA.Checked == true) { answer = "A"; } if
(CheckBoxB.Checked == true) { if
(!string.IsNullOrEmpty(answer)) { answer = answer + ","
+ "B"; } else { answer = "B"; } } if
(CheckBoxC.Checked == true) { if
(!string.IsNullOrEmpty(answer)) { answer = answer + ","
+ "C"; } else { answer = "C"; } } if
(CheckBoxD.Checked == true) { if
(!string.IsNullOrEmpty(answer)) { answer = answer + ","
+ "D"; } else { answer = "D"; } } Jscript.Alert(answer); this.Label1.Text = currentPage.ToString() + "/"
+ verypage; Response.Redirect("DatatablePage.aspx?page="
+ (currentPage) + "&name="
+ strName); } /// <summary> /// DataTable分页 /// </summary> /// <param name="dt">DataTable</param> /// <param name="PageIndex">页索引,注意：从1开始</param> /// <param name="PageSize">每页大小</param> /// <returns></returns> public
static DataTable GetPagedTable(DataTable dt, int
currentPageIndex, int
pageSize) { //1 //判断当前索引 if
(currentPageIndex == 0) return
dt; //从数据集合拷贝数据 DataTable newdt = dt.Copy(); //数据清空 newdt.Clear(); //开始数据索引 = 当前页-1 x 每页大小 int
rowbegin = (currentPageIndex - 1) * pageSize; //结束数据索引 = 当前页 x 每页大小 int
rowend = currentPageIndex * pageSize; //开始数据索引 大于等于 当前数据集合大小 if
(rowbegin >= dt.Rows.Count) return
newdt; //结束数据索引 大于 当前数据集合大小 if
(rowend > dt.Rows.Count) rowend = dt.Rows.Count; //遍历数据 for
(int
i = rowbegin; i <= rowend - 1; i++) { DataRow newdr = newdt.NewRow(); DataRow dr = dt.Rows[i]; foreach
(DataColumn column in
dt.Columns) { newdr[column.ColumnName] = dr[column.ColumnName]; } newdt.Rows.Add(newdr); } return
newdt; //2 //if (currentPageIndex == 0) //{ //return dt; //} //DataTable newdt = dt.Clone();// dt.Copy(); //int rowbegin = (currentPageIndex - 1) * pageSize;//当前页的第一条数据在dt中的位置 //int rowend = currentPageIndex * pageSize;//当前页的最后一条数据在dt中的位置 //if (rowbegin >= dt.Rows.Count) //{ // return newdt; //} //if (rowend > dt.Rows.Count) //{ // rowend = dt.Rows.Count; //} //DataView dv = dt.DefaultView; //for (int i = rowbegin; i <= rowend - 1; i++) //{ // newdt.ImportRow(dv[i].Row); //} //return newdt; } } |
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<%@ Page Language="C#"
AutoEventWireup="true"
CodeBehind="DatatablePage.aspx.cs"
Inherits="ShoppingDeals.Admin.VipHKExamSystem.DatatablePage"
%><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><head runat="server"><meta http-equiv="Content-Type"
content="text/html; charset=utf-8"
/> <title>Datatable paging,Repeater with Paging </title> <meta name="author"
content="塗聚文"
/></head><body> <form id="form1"
runat="server"> <div> <table style="width:100%;"> <tbody> <tr> <td>id</td> <td>name:</td> </tr> <asp:Repeater ID="Repeater1"
runat="server"> <ItemTemplate> <tr> <td><%# Eval("ddno").ToString()%></td> <td><%# Eval("dd").ToString()%></td> </tr> </ItemTemplate> </asp:Repeater> </tbody> </table> <div><b>選擇答案：</b><asp:CheckBox ID="CheckBoxA"
runat="server"
Text="A"
/><asp:CheckBox ID="CheckBoxB"
runat="server"
Text="B"/><asp:CheckBox ID="CheckBoxC"
runat="server"
Text="C"/><asp:CheckBox ID="CheckBoxD"
runat="server"
Text="D"/></div> <asp:TextBox ID="TextBox1"
runat="server"></asp:TextBox> <asp:Button ID="Button1"
runat="server"
Text="下一頁"
OnClick="Button1_Click"
/> <asp:Label ID="Label1"
runat="server"
Text="Label"></asp:Label></div> </form></body></html> |
Datatable paging,Repeater with Paging,布布扣,bubuko.com
Datatable paging,Repeater with Paging
原文：http://www.cnblogs.com/geovindu/p/3570523.html