zoukankan      html  css  js  c++  java
  • datalist分页

    自己写了个datalist的分页 先暂时放这里 有的地方还要修改  呵呵


    static int pagecount;
    static int pagesize=9;
    static int currentpage;
    private void GetData()
        
    {
            DataTable dt 
    = new DataTable();
            SqlConnection con 
    = new SqlConnection(str);
            SqlDataAdapter da 
    = new SqlDataAdapter("select * from authors",con);
            
    try
            
    {
                da.Fill(dt);
                
    if (dt != null && dt.Rows.Count != 0)
                
    {
                    Session[
    "dt"= dt;
                    DataTable newtb 
    = new DataTable();
                    DataColumn col1 
    = new DataColumn("au_id");
                    DataColumn col2 
    = new DataColumn("au_lname");
                    newtb.Columns.Add(col1);
                    newtb.Columns.Add(col2);

                    
    for (int i = 0; i < pagesize; i++)
                    
    {
                        DataRow row 
    = newtb.NewRow();
                        row[
    0= dt.Rows[i][0];
                        row[
    1= dt.Rows[i][1];
                        newtb.Rows.Add(row);
                    }

                    DlTest.RepeatColumns 
    = 3;
                    DlTest.DataSource 
    = newtb;
                    DlTest.DataBind();
                    pagecount 
    = dt.Rows.Count / pagesize;
                    
    if (pagecount > 1)
                    
    {
                        currentpage 
    = 1;
                        LinkLastPage.Visible 
    = true;
                        LinkNextPage.Visible 
    = true;
                    }

                }

            }

            
    catch
            

                
            }

        }

        
    private void getPageData(int cpage)
        
    {
            DataTable tb 
    = new DataTable();
            tb 
    = (DataTable)Session["dt"];
            DataTable newtb 
    = new DataTable();
            DataColumn col1 
    = new DataColumn("au_id");
            DataColumn col2 
    = new DataColumn("au_lname");
            newtb.Columns.Add(col1);
            newtb.Columns.Add(col2);
            
    for (int i = (cpage-1)*pagesize+1; i <= cpage * pagesize; i++)
            
    {
                DataRow row 
    = newtb.NewRow();
                row[
    0= tb.Rows[i][0];
                row[
    1= tb.Rows[i][1];
                newtb.Rows.Add(row);
            }

            DlTest.RepeatColumns 
    = 3;
            DlTest.DataSource 
    = newtb;
            DlTest.DataBind();
        }


        
    protected void LinkLastPage_Click(object sender, EventArgs e)
        
    {
            currentpage 
    -= 1;
            
    if (currentpage < 1)
            
    {
                Response.Write(
    "<script language='javascript'>alert('已是最前一页了!');</script>");
                currentpage 
    = 1;
                
    return;
            }

            getPageData(currentpage);
        }

        
    protected void LinkNextPage_Click(object sender, EventArgs e)
        
    {
            currentpage
    +=1;
            
    if (currentpage > pagecount)
            
    {
                Response.Write(
    "<script language='javascript'>alert('已是最后一页了!');</script>");
                currentpage 
    = pagecount;
                
    return;
            }

            getPageData(currentpage);
        }
  • 相关阅读:
    oracle如何在所有procedure里搜索某些关键字, 存储过程
    Delphi 中文件的操作FileOpen
    【oracle】varchar和varchar2区别
    Delphi 2010 新增功能之: IOUtils 单元(6): TPath(结构体) 的方法与属性
    oracle如何在所有procedure里搜索某些关键字, 存储过程
    Delphi ADOConnection连接 sqlserver
    一种在SQLServer中实现Sequence的高效方法
    SQL Server 序列(SEQUENCE)使用
    [惠普HP] HP1215出现硒鼓底灰刮板拆机图解教程
    记录一下 山客 BK650 UPS 的配置软件下载地址
  • 原文地址:https://www.cnblogs.com/joy/p/726524.html
Copyright © 2011-2022 走看看