在管理系统中常用的 文本框弹出选择框 自定义控件（4）

    public partial class TextBoxSelectDialogDefault : PageBase
    {
        protected string dataKey = string.Empty;
        //protected TextBoxSelectXmlModel xmlModel = null;
        #region ViewState Property
        protected TextBoxSelectXmlModel xmlModel
        {
            set
            {
                ViewState["xmlModel"] = value;
            }
            get
            {
                if (ViewState["xmlModel"] == null)
                {
                    return new TextBoxSelectXmlModel();
                }
                else
                {
                    return (TextBoxSelectXmlModel)ViewState["xmlModel"];
                }
            }
        }
        private int StartHiddenIndex
        {
            set
            {
                ViewState["StartHiddenIndex"] = value;
            }
            get
            {
                if (ViewState["StartHiddenIndex"] == null)
                {
                    return 0;
                }
                else
                {
                    return (int)ViewState["StartHiddenIndex"];
                }
            }
        }
        #endregion
        protected void Page_Load(object sender, EventArgs e)
        {
            dataKey = Request.QueryString["key"];
            if (!IsPostBack)
            {
                GetXmlData();
                SetSearchForm();
                SetGridColumn();
                InitList(0);
            }
        }
        #region Get XML Data
        private void GetXmlData()
        {
            if (dataKey != string.Empty)
            {
                xmlModel = new XmlAnalyze().GetXmlModel(this, dataKey) as TextBoxSelectXmlModel;
                if (xmlModel == null)
                {
                    WriteError(string.Format("The xml file is null,or the DataKey '{0}' has not finded!", dataKey));
                }
            }
        }
        #endregion
        #region Set Grid Column And Appearance
        private void SetGridColumn()
        {
            string[] showFieldArray = xmlModel.ShowFields.Split(',');
            string[] showFieldHeaderArray = xmlModel.ShowFieldsHeader.Split(',');
            string[] fieldWidthArray = xmlModel.FieldWidth.Split(',');
            if (showFieldArray.Length != showFieldHeaderArray.Length || showFieldHeaderArray.Length != fieldWidthArray.Length)
                WriteError("FieldWidth,ShowFields or ShowFieldsHeader's Columns are not equal! ");
            string[] hiddenFieldArray = xmlModel.HiddenFields.Split(',');
            for (int i = 0; i < showFieldArray.Length; i++)
            {
                BoundField col = new BoundField();
                col.HeaderText = showFieldHeaderArray[i];
                //col.AccessibleHeaderText = showFieldArray[i];
                col.DataField = showFieldArray[i];
                col.HeaderStyle.Width = new Unit(fieldWidthArray[i]);
                GridView1.Columns.Add(col);
            }
            StartHiddenIndex = showFieldArray.Length;

            foreach (string hf in hiddenFieldArray)
            {
                BoundField colHidden = new BoundField();
                colHidden.DataField = hf;
                GridView1.Columns.Add(colHidden);
            }
        }
        protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            if ((e.Row.RowType == DataControlRowType.DataRow) || (e.Row.RowType == DataControlRowType.Header) || (e.Row.RowType == DataControlRowType.Footer))
            {
                for (int i = StartHiddenIndex; i < e.Row.Cells.Count; i++)
                {
                    e.Row.Cells[i].Style.Add(HtmlTextWriterStyle.Display, "none");
                }
            }
            if (e.Row.RowType == DataControlRowType.Header)
            {
                string[] allFields= string.Format("{0},{1}", xmlModel.ShowFields, xmlModel.HiddenFields).Split(',');
                
                for (int i = 0; i < e.Row.Cells.Count; i++)
                {
                    e.Row.Cells[i].ID = allFields[i];
                    e.Row.Cells[i].CssClass = "TableHeader";
                }
            }
            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                foreach (TableCell tc in e.Row.Cells)
                {
                    tc.CssClass = "TableItem";
                }
            }
        }
        #endregion
        #region Set Search Form Appearance
        private void SetSearchForm()
        {
            if (xmlModel.SearchFields == string.Empty)
            {
                panelSearch.Visible = false;
                return;
            }
            hiddenParams.Value = xmlModel.CallBackParams;
            lbDescription.Text = xmlModel.SearchFieldsHeader;

        }
        #endregion
        #region Search Event
        protected void btnSearch_Click(object o, EventArgs e)
        {
            //GetXmlData();
            string[] searchFieldsArray = xmlModel.SearchFields.Split(',');
            StringBuilder sbWhere = new StringBuilder();
            if (txtKeyWord.Text.Trim() != string.Empty)
            {
                sbWhere.Append(" and ");
                foreach (string field in searchFieldsArray)
                {
                    sbWhere.Append(string.Format("{0} like '%{1}%' or ", field, txtKeyWord.Text.Trim()));
                }
                sbWhere.Remove(sbWhere.Length - 4, 4);
                ViewState[WhereStr] = sbWhere.ToString();
            }
            else
            {
                ViewState[WhereStr] = null;
            }
            InitList(1);
        }
        #endregion
        #region Init List
        private void InitList(int currentPage)
        {
            int recordCount = 0;
            DataTable dt = new DataTable();
            StringBuilder sbWhere = new StringBuilder();
            if (ViewState[WhereStr] != null)
            {
                sbWhere.Append(ViewState[WhereStr].ToString());
            }
            if (xmlModel.Where != string.Empty)
            {
                sbWhere.Append(" and ");
                sbWhere.Append(xmlModel.Where);
            }
            Paged.GetPagedData(xmlModel.TableName,
                xmlModel.HiddenFields != string.Empty ? string.Format("{0},{1}", xmlModel.ShowFields, xmlModel.HiddenFields) : xmlModel.ShowFields,
                PageSize, currentPage,
                xmlModel.Order, sbWhere.ToString(), out recordCount, ref dt);
            this.GridView1.DataSource = dt.DefaultView;
            this.GridView1.DataBind();
            AspNetPager1.CurrentPageIndex = currentPage;
            AspNetPager1.RecordCount = recordCount;
            AspNetPager1.PageSize = PageSize;
        }
        #endregion
        #region Change Page Index
        protected void AspNetPager1_PageChanging(object o, Wuqi.Webdiyer.PageChangingEventArgs e)
        {
            //GetXmlData();
            InitList(e.NewPageIndex);
        }
        #endregion

这是弹出框的页面后台代码，主要实现的就是显示弹出框数据