一段代码Code

后台aspx.cs Code 

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 SubjectData.BLL;
using SubjectData.Common;

namespace SubjectManager.Disease
{
    public partial class SubjectList : System.Web.UI.Page
    {
        DiseaseSubject dal_sub = new DiseaseSubject();
        public string Nothing;

        #region My Init
        /// <summary>
        /// 层次分割符
        /// Hyey.wl
        /// 2010-03-18
        /// </summary>
        const string STR_TREENODE = "┆┄";
        /// <summary>
        /// Data View Source.
        /// Hyey.wl
        /// 2010-03-18
        /// </summary>
        DataView dv;
        /// <summary>
        /// ID
        /// </summary>
        const string STR_ID = "SubID";
        /// <summary>
        /// Parent ID
        /// </summary>
        const string STR_PARENTID = "parentId";
        /// <summary>
        /// Type Name 
        /// </summary>
        const string STR_DISPLAYNAME = "SubTypeName";
        #endregion

        protected void Page_Load(object sender, EventArgs e)
        {
            string schar = STR_TREENODE;

            if (!IsPostBack)
            {
                //绑定专题类型
                bindSubType(-1, ref schar);
                if (this.ddlSubType.Items.FindByValue("-1") == null)
                    this.ddlSubType.Items.Insert(0, new ListItem("--请选择--", "-1"));
                BindDate(1, 10);
            }
        }

        #region   查询参数
        //专题名称
        protected string Query_Name
        {
            get
            {
                if (Request.QueryString["q_name"] != null && Request.QueryString["q_name"].ToString() != String.Empty)
                {
                    string query_name = this.Request.QueryString["q_name"].Trim();

                    return query_name.Replace("'", "").Replace(";", "");
                }
                else
                {
                    return null;
                }
            }
        }

        //相关药物
        protected string Query_ConDrugs
        {
            get
            {
                if (Request.QueryString["q_cdrug"] != null && Request.QueryString["q_cdrug"].ToString() != String.Empty)
                {
                    string query_cdrug = this.Request.QueryString["q_cdrug"].Trim();

                    return HyeyClass.Web.PageValidate.ReplaceStr(query_cdrug);

                }
                else
                {
                    return null;
                }
            }
        }
        //学科ID
        protected string Query_KiID
        {
            get
            {
                if (Request.QueryString["q_kn"] != null && Request.QueryString["q_kn"].ToString() != String.Empty)
                {
                    string query_kiID = this.Request.QueryString["q_kn"].Trim();
                    return HyeyClass.Web.PageValidate.ReplaceStr(query_kiID);

                }
                else
                {
                    return null;
                }
            }
        }

        #endregion


        #region  组织查询where条件

        string Org_where() //---------------------------------------------组织where条件
        {
            System.Text.StringBuilder strBuilder = new System.Text.StringBuilder();
            strBuilder.Append("1=1");

            if (this.Query_Name != null)
            {
                strBuilder.Append(" and ");
                strBuilder.Append("SubName like '%" + this.Query_Name + "%'");
                TxtSubName.Text = Query_Name;

            }
            if (this.Query_ConDrugs != null)
            {
                strBuilder.Append(" and ");
                strBuilder.Append("ConDrugs like  '%" + this.Query_ConDrugs + "%'");
                TxtConDrugs.Text = this.Query_ConDrugs;

            }
            if (this.Query_KiID != null)
            {
                strBuilder.Append(" and ");
                strBuilder.Append("kiID = " + this.Query_KiID);

                for (int i = 0; i < ddlSubType.Items.Count; i++)
                {
                    if (ddlSubType.Items[i].Value == Query_KiID)
                    {
                        ddlSubType.Items[i].Selected = true;
                    }
                }
            }

           
            return strBuilder.ToString();

        }


        #endregion

        /// <summary>
        /// Binds the type of the sub.
        /// Hyey.wl
        /// 2010-03-18
        /// 绑定树集目录列表.
        /// </summary>
        /// <param name="schar">The schar is tree split string.</param>
        void bindSubType(int pid ,ref string schar)
        {
            string url = "XMLData/SubjectType.xml";
            string strXmlFile = Server.MapPath(url);
            EditXML xmlDal = new EditXML(strXmlFile);
            DataSet ds = xmlDal.GetTable();

            dv = ds.Tables[0].DefaultView;

            dv.Sort = STR_PARENTID;

            if (pid == -1)
            {
                foreach (DataRow row in dv.Table.Rows)
                {
                    if (Convert.ToInt32(row[STR_PARENTID]) == 0)
                    {
                        this.ddlSubType.Items.Add(new ListItem(schar + row[STR_DISPLAYNAME].ToString(), row[STR_ID].ToString()));
                        bindSubType(Convert.ToInt32(row[STR_ID]), ref schar);
                    }
                }
            }
            else
            {
                DataRowView[] rows = dv.FindRows(pid);
                foreach (DataRowView row in rows)
                {
                    if (Convert.ToInt32(row[STR_ID]) != Convert.ToInt32(row[STR_PARENTID]))
                    {
                        schar += STR_TREENODE;
                        this.ddlSubType.Items.Add(new ListItem(schar + row[STR_DISPLAYNAME].ToString(), row[STR_ID].ToString()));
                        bindSubType(Convert.ToInt32(row[STR_ID]), ref schar);
                    }

                }
                schar = STR_TREENODE;
            }

        }

        void BindDate(int PageIndex, int PageSize)
        {
            string strWhere = Org_where();

            #region
            //显示的字段
            string strFld = "SubID,SubName,kiID,Knowledge,ConDrugs,Op,AddTime";

            int RecordCount = 0;
            int PageCount = 0;


            //			if( HiddenRecordCount.Value == "" )
            //			{
            string Count_sql = "select count(*) from DiseaseSubject where " + strWhere;
            HiddenRecordCount.Value = HyeyClass.DALFactory.DataAccess.CreateComm().ExecScalar(Count_sql);  //取出记录总数
            //			}

            RecordCount = Convert.ToInt32(HiddenRecordCount.Value);

            if (RecordCount % PageSize == 0)
            {
                PageCount = RecordCount / PageSize;

            }
            else
            {
                PageCount = RecordCount / PageSize + 1;

            }


            if (PageIndex > PageCount)
                PageIndex = PageCount;


            if (PageIndex == PageCount && PageCount == 1)
            {

                this.LinkFirst1.Enabled = false;
                this.LinkPrev1.Enabled = false;

                this.LinkNext1.Enabled = false;
                this.LinkEnd1.Enabled = false;


            }
            else if (PageIndex == 1)
            {
                this.LinkFirst1.Enabled = false;
                this.LinkPrev1.Enabled = false;

                this.LinkNext1.Enabled = true;
                this.LinkEnd1.Enabled = true;

            }
            else if (PageIndex == PageCount)
            {
                this.LinkFirst1.Enabled = true;
                this.LinkPrev1.Enabled = true;

                this.LinkEnd1.Enabled = false;
                this.LinkNext1.Enabled = false;

            }
            else if (PageIndex != 1 && PageIndex != PageCount)
            {
                this.LinkFirst1.Enabled = true;
                this.LinkPrev1.Enabled = true;

                this.LinkEnd1.Enabled = true;
                this.LinkNext1.Enabled = true;

            }


            this.HiddenIndex.Value = PageIndex.ToString();//当前页的值，放入隐藏控件中
            this.TextIndex1.Text = PageIndex.ToString();
            this.txtNum.Text = PageSize.ToString();
            this.LabelPageSow1.Text = "<font color='red'>" + PageIndex.ToString() + "</font>" + "/" + PageCount.ToString();
            this.LabNum1.Text = RecordCount.ToString();

            //-------------------------------------------------------------------------------------

            if (PageIndex <= 0)
                return;

            #endregion



            DataSet ds = dal_sub.GetList(strFld, strWhere, PageIndex, PageSize, "subId", "subid desc", 0);


            if (ds == null || ds.Tables[0].Rows.Count == 0)
            {
                Nothing = "没有数据";
                return;
            }
           

            this.Repeater1.DataSource = ds;
            this.Repeater1.DataBind();

            ds.Dispose();
        }

        #region 页面跳转

        int getPageSize()
        {
            if (txtNum.Text == String.Empty || txtNum.Text == "0" || !HyeyClass.Web.PageValidate.IsNumber(txtNum.Text.Trim()))
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(txtNum.Text.Trim());
            }
        }

        protected void LinkFirst1_Click(object sender, System.EventArgs e)
        {
            FirstPage();
        }

        protected void LinkPrev1_Click(object sender, System.EventArgs e)
        {
            PrevPage();
        }

        protected void LinkNext1_Click(object sender, System.EventArgs e)
        {
            NextPage();
        }

        protected void LinkEnd1_Click(object sender, System.EventArgs e)
        {
            LastPage();
        }
        private void ImageButton1_Click(object sender, System.Web.UI.ImageClickEventArgs e)
        {
            goPage();
        }

        void FirstPage()  //第一页
        {

            BindDate(1, 20);

        }

        void PrevPage() //上一页
        {

            int CurrentIndex = Convert.ToInt32(this.HiddenIndex.Value.ToString());
            int PrevIndex = CurrentIndex - 1;

            BindDate(PrevIndex, getPageSize());


        }

        void NextPage()  //下一页
        {

            int CurrentIndex = Convert.ToInt32(this.HiddenIndex.Value.ToString());
            int NextIndex = CurrentIndex + 1;

            BindDate(NextIndex, getPageSize());


        }

        void LastPage()  //最后一页
        {

            int pagesize = getPageSize();
            int RecordCount = Convert.ToInt32(this.HiddenRecordCount.Value.ToString());
            int EndIndex = 0;

            if (RecordCount % pagesize == 0)
            {
                EndIndex = RecordCount / pagesize;

            }
            else
            {
                EndIndex = RecordCount / pagesize + 1;

            }

            BindDate(EndIndex, pagesize);




        }

        void goPage()   //跳转
        {


            if (this.TextIndex1.Text == String.Empty || this.TextIndex1.Text == "0" || !HyeyClass.Web.PageValidate.IsNumber(this.TextIndex1.Text.Trim()))
            {
                HyeyClass.Web.MessageBox.Show(this, "页面索引无效");
                return;

            }
            if (getPageSize() > 0)
            {
                int pagesize = getPageSize();
                int RecordCount = Convert.ToInt32(this.HiddenRecordCount.Value.ToString());
                int EndIndex = 0;

                if (RecordCount % pagesize == 0)
                {
                    EndIndex = RecordCount / pagesize;

                }
                else
                {
                    EndIndex = RecordCount / pagesize + 1;

                }

                if (Convert.ToInt32(this.TextIndex1.Text.Trim()) > EndIndex)
                {
                    HyeyClass.Web.MessageBox.Show(this, "索引值超出范围,最大页面索引为:" + EndIndex.ToString());
                    return;

                }

                BindDate(Convert.ToInt32(this.TextIndex1.Text.Trim()), getPageSize());
            }
            else if (getPageSize() > Convert.ToInt32(HiddenRecordCount.Value.ToString()))
            {
                HyeyClass.Web.MessageBox.Show(this, "超出页面的总记录数!");
                return;
            }
            else
            {
                HyeyClass.Web.MessageBox.Show(this, "页面显示的医生个数无效!");
                return;
            }


        }




        #endregion

        //搜索
        protected void imgBtnSearch_Click(object sender, ImageClickEventArgs e)
        {
            Response.Redirect("SubjectList.aspx?q_name=" + TxtSubName.Text + "&q_cdrug=" + TxtConDrugs.Text + "&q_kn=" + ddlSubType.SelectedValue.ToString() );
        }

        protected void imgBtnAdd_Click(object sender, ImageClickEventArgs e)
        {
            Response.Redirect("AddSubject.aspx");
        }



    }
}