Datatable paging,Repeater with Paging

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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">
 
<html xmlns="http://www.w3.org/1999/xhtml" >
<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>

 

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public partial class ExamCNTestDisplay : System.Web.UI.Page
  {
      VIPExamQuestionsBLL vIPExamQuestionsBLL = new VIPExamQuestionsBLL();
      VipExamProjectBLL vipExamProjectBLL = new VipExamProjectBLL();
      VipExamProjectInfo vipExamProjectInfo = new VipExamProjectInfo();
      string examProjectId = string.Empty;
      int fcount = 0;
      int _currentPage = 0;
      int k = 0;
      /// <summary>
      ///
      /// </summary>
      public int currentPage
      {
          set { _currentPage = value; }
          get { return _currentPage; }
      }
 
      public int getPage = 1;
       
     DataTable Tissues =new DataTable();
      /// <summary>
      ///
      /// </summary>
      /// <param name="sender"></param>
      /// <param name="e"></param>
      protected void Page_Load(object sender, EventArgs e)
      {
           
          //DataTable Tissues = (DataTable)Session["Tissues"];
           
          if (Tissues.Rows.Count==0)
          {
              Tissues.Columns.Add("ID", typeof(int));
              Tissues.Columns.Add("Answer", typeof(string));
          }
 
          if (!IsPostBack)
          {
              examProjectId = Request.QueryString["DisID"];
              if (k == 0)
              {
                  ViewState["ExamProjectId"] = Request.QueryString["DisID"];
                  k++;
              }
              else
              {
 
                  examProjectId = ViewState["ExamProjectId"].ToString();
                  k++;
              }
              ////Session["BackLogin"] = "ExamProjectList.aspx";
              //if (object.Equals(Session["ExamAdminLogin"], null))
              //{
 
              //    Jscript.AlertAndRedirect("沒有登錄無權限!", "VIPExamLogin.aspx");
              //}
              if (!string.IsNullOrEmpty(examProjectId))
              {
                  vipExamProjectInfo = vipExamProjectBLL.SelectVipExamProject(int.Parse(examProjectId));
                  if (!object.Equals(vipExamProjectInfo, null))
                  {
                      Page.Title = vipExamProjectInfo.ExamProjectTitle;
 
                  }
 
                  PagedDataSource pds = new PagedDataSource();
                  if (!object.Equals(vIPExamQuestionsBLL.SelectVipQuestionsExamProjectDisplay(int.Parse(examProjectId)), null))
                  {
                      pds.DataSource = getdatatable(vIPExamQuestionsBLL.SelectVipQuestionsExamProjectDisplay(int.Parse(examProjectId))).DefaultView;
 
                      //pds.AllowCustomPaging = true;
                      pds.AllowPaging = true;
                      //pds.AllowServerPaging = true;
                      pds.PageSize = 1;
                      fcount = pds.Count;
                      currentPage = Convert.ToInt32(Request["page"]);
                      //设当前页
                      pds.CurrentPageIndex = currentPage;
 
                      getPage = currentPage;
                      FormView1.DataSource = pds;
                      FormView1.DataBind();
                      //设几个超链接
 
 
 
                      if (!pds.IsFirstPage)
                      {
                          lnkUp.NavigateUrl = Request.CurrentExecutionFilePath + "?page=" + (currentPage - 1);
                          //LinkButton1.ResolveClientUrl(Request.CurrentExecutionFilePath + "?page=" + (currentPage - 1));
                      }
 
                      if (!pds.IsLastPage)
                      {
                          //LinkButton1.ResolveClientUrl (Request.CurrentExecutionFilePath + "?page=" + (currentPage - 1));
 
                          lnkDown.NavigateUrl = Request.CurrentExecutionFilePath + "?page=" + (currentPage + 1) + "&DisID=" + examProjectId;
                          ((Label)FormView1.Controls[0].FindControl("Label3")).Text = (currentPage + 1).ToString();
                          //bool ca = CheckBoxA.Checked;CheckBoxA
                          //bool cb = CheckBoxB.Checked;
                          //bool cc = CheckBoxC.Checked;
                          //bool cd = CheckBoxD.Checked;
                          //FormView1.DefaultMode = FormViewMode.Insert;
                          CheckBox CheckBoxA = (CheckBox)FormView1.Controls[0].FindControl("CheckBoxA");//(CheckBox)FormView1.Row.FindControl("CheckBoxA");//
                          CheckBox CheckBoxB = (CheckBox)FormView1.Controls[0].FindControl("CheckBoxB");
                          CheckBox CheckBoxC = (CheckBox)FormView1.Controls[0].FindControl("CheckBoxC");
                          CheckBox CheckBoxD = (CheckBox)FormView1.Controls[0].FindControl("CheckBoxD");
                          HtmlInputCheckBox CheckBox1 = (HtmlInputCheckBox)FormView1.Controls[0].FindControl("CheckBox1");
                          string answer = string.Empty;
                          if (FormView1.CurrentMode == FormViewMode.ReadOnly)
                          {
                              // Jscript.Alert(CheckBoxB.Checked.ToString());
         
 
 
                          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";
                              }
                          }
                      }
                      //if (((CheckBox)FormView1.FindControl("CheckBoxA")).Checked == true)
                      //{
                      //    Jscript.Alert("ok");
                      //}
                          string id = ((Label)FormView1.Controls[0].FindControl("Label2")).Text;
                          Tissues.Rows.Add(int.Parse(id), answer);
                          Jscript.Alert(id + "," + answer + "," + CheckBox1.Checked.ToString());
 
                          CheckBoxA.Checked = false;
                          CheckBoxB.Checked = false;
                          CheckBoxC.Checked = false;
                          CheckBoxD.Checked = false;
 
                      }
                      else
                      {
                          ((Label)FormView1.Controls[0].FindControl("Label3")).Text = (currentPage + 1).ToString();
                          lnkDown.Visible = false; //顯示完不顯示,而顯示提交按鈕
                          this.Button1.Visible = true;
                          // Jscript.Alert("end");
                          Session.Add("Tissues", Tissues);
                          //(DataTable)Session["Tissues"] = Tissues;
                          string id = ((Label)FormView1.Controls[0].FindControl("Label2")).Text;
 
                          if (Tissues.Rows.Count > 0)
                          {
                              Jscript.Alert(Tissues.Rows[0][0].ToString());
                          }
                      }
 
                  }
                  else
                  {
                      Jscript.Alert("還沒有添加試題");
                      return;
                  }
 
 
                  // FormView1.DataSource = vIPExamQuestionsBLL.SelectVipQuestionsExamProjectDisplay(1);
                  // FormView1.DataBind();
              }
              else
              {
                  Jscript.Alert("沒有查找相關關項目的數據!");
                  return;
              }
 
          }
          
      }
      /// <summary>
      ///
      /// </summary>
      /// <param name="sender"></param>
      /// <param name="e"></param>
      protected void FormView1_PageIndexChanging(object sender, FormViewPageEventArgs e)
      {
          //FormView1.DataSource=getdatatable(vIPExamQuestionsBLL.SelectVipQuestionsExamProjectDisplay(int.Parse(examProjectId))).DefaultView;
          //FormView1.DataBind();
      }
      /// <summary>
      ///
      /// </summary>
      /// <param name="sender"></param>
      /// <param name="e"></param>
      protected void Button1_Click(object sender, EventArgs e)
      {
          if (FormView1.PageIndex == fcount)
          {
              Jscript.Alert("end");
              DataTable table = Session["Tissues"] as DataTable;
 
              if (table.Rows.Count>0)
              {
                   
                  //read table and push in Sqlserver
                  Jscript.Alert(table.Rows[0][0].ToString());
              }
              else
              {
                  //session either expired or invalid page being accessed.
              }
          }
      }
 
      /// <summary>
      ///
      /// </summary>
      /// <param name="dt"></param>
      /// <returns></returns>
      private DataTable getdatatable(DataTable table)
      {
          if (!object.Equals(table, null))//
          {
              DataTable tableDec = new DataTable();
 
              #region ExamQuestionsProject,ExamQuestionsTitle,ExamQuestionsA,ExamQuestionsB,ExamQuestionsC,ExamQuestionsD,ExamQuestionsAnswer,ExamQuestionsDesc,ExamProjectTitle
              tableDec.Columns.Add("ExamQuestionsID", typeof(int));
              tableDec.Columns.Add("ExamQuestionsProject", typeof(int));
              tableDec.Columns.Add("ExamQuestionsTitle", typeof(string));
              tableDec.Columns.Add("ExamQuestionsA", typeof(string));
              tableDec.Columns.Add("ExamQuestionsB", typeof(string));
              tableDec.Columns.Add("ExamQuestionsC", typeof(string));//在職狀態
              tableDec.Columns.Add("ExamQuestionsD", typeof(string));
              tableDec.Columns.Add("ExamQuestionsAnswer", typeof(string));
              tableDec.Columns.Add("ExamQuestionsDesc", typeof(string));
              tableDec.Columns.Add("ExamProjectTitle", typeof(string));
              tableDec.Columns.Add("ExamProjectCheck", typeof(bool));
 
              #endregion
              foreach (DataRow row in table.Rows) // Loop over the rows.
              {
 
                  bool check = false;
                  tableDec.Rows.Add(row["ExamQuestionsID"], row["ExamQuestionsProject"], row["ExamQuestionsTitle"], row["ExamQuestionsA"], row["ExamQuestionsB"], row["ExamQuestionsC"], row["ExamQuestionsD"], row["ExamQuestionsAnswer"], row["ExamQuestionsDesc"], row["ExamProjectTitle"], check);
 
              }
 
 
              return tableDec;
          }
          else
          {
              return null;
          }
 
 
          //DataColumn col = new DataColumn("check", typeof(bool));
          //dt.Columns.Add(col);
          ////dt.Columns.AddRange(col);
          ////dt.Columns.AddRange("check", typeof(bool));
 
          //for (int i=0;i<dt.Rows.Count;i++)
          //{
          //    DataRow row = dt.NewRow();
          //    row["check"] = false;
          //    dt.Rows.Add(row);
          //}
 
 
          ////for(int i=0;i<dt.Rows.Count;i++)
          ////{
               
              
          ////}
          //return dt;
      }
  }

 

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