谁帮帮我。运行时。分页显示除第一页正常。第二页显示时没有数据，第二页无法传递用户输入参数

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class Chukutext : System.Web.UI.UserControl
{
    static string A = "GetRecordFromPage";
    static string RetColumns = "*";
    static string Orderfld = "Goods_data";
    static string PageSize = "5";
    static string IsCount = "0";
    static string OrderType = "1";
    static string PageIndex = "1";
    static string tbName = "Goods";
    static string strWhere = "Goods_Danweibh=1";
    static int int_Count = 0;
   // static string Name = "";
    //static string L="";
    //申明变量
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            Session["Name"] = "xujing";
            SqlData da = new SqlData();
            SqlDataReader read = da.ExceRead("select * from UserName where User_USER='" + Session["Name"].ToString() + "'");
            read.Read();
            if (read.HasRows)
            {
                Session["User_AUTHORITY"] = read["User_AUTHORITY"].ToString();
                Session["User_UNIT"] = read["User_UNIT"].ToString();
                Session["User_NAME"] = read["User_NAME"].ToString();
                //保存用户权限；确定用户登录状态
            }
            read.Close();
            this.Text_data.Text = DateTime.Now.ToString();
            this.Text_Chukuren.Text = Session["User_NAME"].ToString();
            this.Text_Danwei.SelectedValue = Session["User_UNIT"].ToString();
        }
       
            this.LinkButton2_Click(sender, e);            
    }
    protected void Chuku_Click(object sender, EventArgs e)
    {
       
        
        if (this.Text_Names.ToString() != null)
        {
            if (Convert.ToInt32(Session["User_AUTHORITY"]) < 3)
            {
                Response.Write("<script language=javascript>alert('您的权限不够，不能出库');location='Chuku.aspx'</script>");
            }
            else
            {
                if (this.Text_Danwei.SelectedValue != Session["User_UNIT"].ToString())
                {                    Response.Write("<script language=javascript>alert('单位选择不符，不能出库');location='Chuku.aspx'</script>");
                }
                else
                {
                    int I = 0;
                    I = int_Count - Convert.ToInt16(this.Text_Count.Text);
                    if (I < 0)
                    {
                        Response.Write("<script language=javascript>alert('库存数量不足!');location='Chuku.aspx'</script>");
                    }
                    else
                    {
                        string sqlstr = "insert into Chuku "
                    + "(Chuku_Danwei,Chuku_Name,Chuku_Xinghao,Chuku_Count,Chuku_Shebeidanwei,Chuku_Jiage,Chuku_Changjia,Chuku_Bumeng,Chuku_Lingyongren,Chuku_Data,Chuku_Chukuren)"
                    + "values('"
                    + this.Text_Danwei.SelectedValue + "','"
                    + this.Text_Names.Text.ToString() + "','"
                    + this.Text_Xinghao.Text.ToString() + "','"
                    + this.Text_Count.Text.ToString() + "','"
                    + this.Text_SDanwei.Text.ToString() + "','"
                    + this.Text_Jiage.Text.ToString() + "','"
                    + this.Text_Changjia.ToString() + "','"
                    + this.Text_Bumeng.ToString() + "','"
                    + this.Text_Linyongren.ToString() + "','"
                    + DateTime.Now.ToString() + "','"
                    + this.Text_Chukuren.Text.ToString() + "')";
                        Insert.dataBind(dl, sqlstr);
                        //增加出库数据表中记录
                        //库存数量-出库数量，修改库存数据时使用    
                        SqlData da = new SqlData();
                        string P_str_Com = "update Goods set Goods_Shuliang='" + I + "' where Goods_id='" + this.Label1.Text.ToString() + "'";
                        bool add = da.ExceSQL(P_str_Com);
                        //修改库存数据表                        Response.Write("<script language=javascript>alert('出库成功!');location='Chuku.aspx'</script>");
                    }
                }
            }
        }
    }    
    protected void LinkButton2_Click(object sender, EventArgs e)
    {
        if (this.Text_Names.Text.Trim().ToString() != "")
        {
            strWhere = "Goods_danwei='" + Session["User_UNIT"].ToString() + "' and  Goods_hpmingc like '%" + this.Text_Names.Text.ToString() + "%'";
            string[] Str1 = new string[] { tbName, strWhere };
            int Count = GetRecordCount.Int_Count(Str1);
            this.Label_Count.Text = Count.ToString();
            //查询记录总数
            if (Count != 0)
            {
                this.Chuku.Visible = true;
                if (Request.QueryString["ID"] != null)
                {
                    PageIndex = Request.QueryString["ID"];
                }
                string[] Str = new string[] { A, tbName, RetColumns, Orderfld, PageSize, PageIndex, IsCount, OrderType, strWhere };
                GetRecordFromPage.Page(DataList1, Str);
                //分页显示
                if (Count > Convert.ToInt32(PageSize))
                {
                    int Page_Count = Count / Convert.ToInt32(PageSize) + 1;
                    if (PageIndex == null || PageIndex == "1")
                    {
                        this.Page_Index.Enabled = false;
                        this.Paga_S.Enabled = false;
                    }
                    if (Convert.ToInt32(Request.QueryString["ID"]) == Page_Count)
                    {
                        this.Paga_X.Enabled = false;
                        this.Paga_H.Enabled = false;
                    }
                }
                else
                {
                    this.Page_Index.Enabled = false;
                    this.Paga_S.Enabled = false;
                    this.Paga_X.Enabled = false;
                    this.Paga_H.Enabled = false;
                }
            }
            else
            {
                this.Page_Index.Enabled = false;
                this.Paga_S.Enabled = false;
                this.Paga_X.Enabled = false;
                this.Paga_H.Enabled = false;
            }        }
        else
        {
            Response.Write("<script language=javascript>alert('设备名称为空！');location='javascript:history.go(-1)'</script>");
        }
    }    protected void Page_Index_Click(object sender, EventArgs e)
    {
        Page.Response.Redirect("Chuku.aspx?ID=1");
    }
    protected void Paga_S_Click(object sender, EventArgs e)
    {
        int ID = Convert.ToInt32(Request.QueryString["ID"]);
        ID = ID - 1;
        Page.Response.Redirect("Chuku.aspx?ID=" + ID);
        //上一页
    }
    protected void Paga_X_Click(object sender, EventArgs e)
    {
        Session["tbName"] = this.Text_Names.Text;
        
        if (Request.QueryString["ID"] == null)
        {
            Page.Response.Redirect("Chuku.aspx?ID=2");
        }
        else
        {
            int ID = Convert.ToInt32(Request.QueryString["ID"]);
            ID = ID + 1;
           Page.Response.Redirect("Chuku.aspx?ID=" + ID );
            //Response.Redirect("Chuku.aspx?ID=" + ID + " && Name=" + this.Text_Names.Text);        }
        //下一页
    }
    protected void Paga_H_Click(object sender, EventArgs e)
    {
       // strWhere = "Goods_hpmingc like '%" + this.Text_Name.ToString() + "%'";
        strWhere = "Goods_danwei='" + Session["User_UNIT"].ToString() + "' and  Goods_hpmingc like '%" + this.Text_Names.Text.ToString() + "%'";
        string[] Str1 = new string[] { tbName, strWhere };
        int Count = GetRecordCount.Int_Count(Str1);
        Page.Response.Redirect("Chuku.aspx?ID=" + (Count / Convert.ToInt32(PageSize) + 1));
        //最后一页
    }
    protected void LinkButton_xuanze_Click(object sender, EventArgs e)
    {
        int index = ((DataListItem)((LinkButton)sender).NamingContainer).ItemIndex;
        Label Label_bianhao = DataList1.Items[index].FindControl("Label_bianhao") as Label;
        Label Label_shebeimingc = DataList1.Items[index].FindControl("Label_shebeimingc") as Label;
        Label Label_shebeixinghao = DataList1.Items[index].FindControl("Label_shebeixinghao") as Label;
        Label Label_shuliang = DataList1.Items[index].FindControl("Label_shuliang") as Label;
        //获取用户选择的参数
        Label Label_jiage = DataList1.Items[index].FindControl("Label_jiage") as Label;
        Label Label_danwei = DataList1.Items[index].FindControl("Label_danwei") as Label;
        Label Label_changjia = DataList1.Items[index].FindControl("Label_changjia") as Label;
        this.Label1.Text = Label_bianhao.Text;
        this.Text_Names.Text = Label_shebeimingc.Text;
        this.Text_Xinghao.Text = Label_shebeixinghao.Text;
        //this.Text_Count.Text = Label_shuliang.Text;
        int_Count =Convert.ToInt16(Label_shuliang.Text);
        //传递到用户文本框内。减少输入内容
        this.Text_SDanwei.Text = Label_danwei.Text;
        this.Text_Jiage.Text = Label_jiage.Text;
        this.Text_Changjia.Text = Label_changjia.Text;
        if (Label_bianhao.Text != null)
        {
            this.Chuku.Visible = true;
        }
        
    }
}