分页

 

 protected void Page_Load(object sender, EventArgs e)
    ...{

        if (!Page.IsPostBack)
        ...{

            int pageIndex = 1;
            if (Request.Params["page"] != null && Request.Params["page"].ToString() != "")
            ...{
                Session["pagePro"] = Convert.ToInt32(Request.Params["page"]);
                pageIndex = Convert.ToInt32(Request.Params["page"]);
            }
            else
            ...{
                if (Session["pagePro"] != null && Session["pagePro"].ToString() != "")
                ...{
                    pageIndex = Convert.ToInt32(Session["pagePro"]);
                }
                else
                ...{
                    pageIndex = 1;
                    Session["pagePro"] = 1;
                }
            }

            dataBind(pageIndex);
        }


    }
private void dataBind(int pageIndex)
    ...{
        
        pageIndex--;

        //调用业务逻辑层的公共类产生对象,以便使用公共分页方法        
        PFCMIS.BLL.Common.CommonUse combll = new PFCMIS.BLL.Common.CommonUse();
        string strWhere = "";
        //Session传值注意修改，命名方式要求规范
        if (Session["strCertificateInfoWhere"] != null && Session["strCertificateInfoWhere"].ToString() != "")
        ...{
            strWhere = Session["strCertificateInfoWhere"].ToString();
        }
        DataSet ds = new DataSet();
        //调用业务逻辑层的函数返回查询的数据集结果
        int record_Count = combll.PaginationCount("vwPracGrad", strWhere);//获取总行数
        ds = combll.Pagination("StuNo", "vwPracGrad", this.grid.PageSize, pageIndex, strWhere);

       
        grid.DataSource = ds.Tables[0].DefaultView;


        int page_Size = grid.PageSize;
        //int page_Size = 20;
        int totalPages = int.Parse(Math.Ceiling((double)record_Count / page_Size).ToString());
        if (totalPages > 0)
        ...{
            if ((pageIndex + 1) > totalPages)
                pageIndex = totalPages - 1;
        }
        else
        ...{
            pageIndex = 0;
        }

        grid.DataBind();

        int page_Count = totalPages;
        int page_Current = pageIndex + 1;

        Page011.Record_Count = record_Count;
        Page011.Page_Count = page_Count;
        Page021.Page_Count = page_Count;

        Page011.Page_Size = page_Size;
        Page021.Page_Size = page_Size;
        Page011.Page_Current = page_Current;
        Page021.Page_Current = page_Current;


        //***************************************************************************
        //以前用的分页方法
        /**/////调用业务逻辑层的类产生一对象
        //PFCMIS.BLL.PfcEduAdmMIS.PracCertificate probll = new PFCMIS.BLL.PfcEduAdmMIS.PracCertificate();

        //string strWhere = "";
        //if (Session["strWherePro"] != null && Session["strWherePro"].ToString() != "")
        //{
        //    strWhere = Session["strWherePro"].ToString();
        //}
        //DataSet ds = new DataSet();

        /**/////调用业务逻辑层的函数返回查询的数据集结果
        //ds = probll.GetList(strWhere);
        //int record_Count = ds.Tables[0].Rows.Count;
        //grid.DataSource = ds.Tables[0].DefaultView;
        //int page_Size = grid.PageSize;
        //int totalPages = int.Parse(Math.Ceiling((double)record_Count / page_Size).ToString());
        //if (totalPages > 0)
        //{
        //    if ((pageIndex + 1) > totalPages)
        //        pageIndex = totalPages - 1;
        //}
        //else
        //{
        //    pageIndex = 0;
        //}
        //grid.CurrentPageIndex = pageIndex;
        //grid.DataBind();
        //int page_Count = grid.PageCount;

        //int page_Current = pageIndex + 1;

        //Page011.Record_Count = record_Count;
        //Page011.Page_Count = page_Count;
        //Page021.Page_Count = page_Count;

        //Page011.Page_Size = page_Size;
        //Page021.Page_Size = page_Size;
        //Page011.Page_Current = page_Current;
        //Page021.Page_Current = page_Current;
        //************************************************************************
    }