asp.net後台代碼填充前台資料執行個體

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標籤:asp.net   table   

.aspx代碼如下:

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default12.aspx.cs" Inherits="Default12" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server">    <title></title>    <style type ="text/css">        #tbl_summary{ border:1px solid black;}        #tbl_summary td,#tbl_summary th            { padding:10px; border:1px solid silver;}            td span                { margin:10px;}    </style></head><body>    <form id="form1" runat="server">    <div>        <asp:Table ID="tbl_summary" runat="server">            <asp:TableHeaderRow>                <asp:TableHeaderCell ColumnSpan="4">成績匯總</asp:TableHeaderCell>            </asp:TableHeaderRow>        </asp:Table>    </div>    </form></body></html>


.aspx.cs代碼如下:

using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;using System.Data.OleDb;public partial class Default12 : System.Web.UI.Page{    string str_cnn = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=";    string str_sourcefile = "mdb\\mydb.mdb";    OleDbConnection cnn;    OleDbCommand cmd;    OleDbDataReader datar;    string str_sql;    protected void Page_Load(object sender, EventArgs e)    {        //構建表        //【語文】不及格,【語文】優秀,【數學】不及格,【數學】優秀        //[Good]_cj_yuwen,[Fail]_cj_yuwen,[Good]_cj_shuxue,[Fail]_cj_shuxue        string[] _sarr1 = { "Good", "Fail" };        string[] _sarr2 = { "優秀", "不及格" };        string[] _sarr_km = { "cj_yuwen", "cj_shuxue", "cj_huaxue", "cj_wuli", "cj_yingyu" };        string[] _sarr_kmname = { "語文", "數學", "化學", "物理", "英語" };        TableRow _tr; TableCell _td;        for (int i = 0; i < _sarr_km.Length; i++) {            _tr = new TableRow();            for (int j = 0; j < _sarr1.Length; j++) {                _td = new TableCell();                _td.Text = _sarr_kmname[i] + _sarr2[j];                _tr.Cells.Add(_td);                _td = new TableCell();                _td.ID = _sarr1[j] + _sarr_km[i];                _tr.Cells.Add(_td);            }            tbl_summary.Rows.Add(_tr);        }                string str_conn = str_cnn + MapPath(str_sourcefile);        cnn = new OleDbConnection(str_conn);        cnn.Open();        str_sql = "SELECT * FROM tb_chenji";        cmd = new OleDbCommand(str_sql, cnn);        datar = cmd.ExecuteReader();        Label lab_name;        Single _f;        while (datar.Read()) {            //lab_name = new Label(); lab_name.Text = datar["cj_name"].ToString();            foreach (string _skm in _sarr_km) {                _f = Convert.ToSingle(datar[_skm].ToString());//<strong><em>_skm既作為變數名又作為構建ID的因子,這種方法很重要</em></strong>                if (_f < 60) {                    lab_name = new Label(); lab_name.Text = datar["cj_name"].ToString();                    _td = (TableCell)FindControl("Fail" + _skm);                    _td.Controls.Add(lab_name);                }                if (_f > 85)                {                    lab_name = new Label(); lab_name.Text = datar["cj_name"].ToString();                    _td = (TableCell)FindControl("Good" + _skm);                    _td.Controls.Add(lab_name);                }                            }                }        cnn.Close();    }}

效果如下:


asp.net後台代碼填充前台資料執行個體

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