頁面定時刷新（c# asp .net 2003）

最新推荐文章于 2025-08-17 13:44:41 发布

原创最新推荐文章于 2025-08-17 13:44:41 发布 · 2.1k 阅读

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CC 4.0 BY-SA版权

文章标签：

#asp #c# #.net #webform #textbox #string

本文介绍了如何在ASP.NET 2003的C# WebForm中实现页面定时刷新的功能。通过主页面和子页面的交互，结合TextBox控件和字符串操作，展示了自动刷新的技术实现。

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頁面：

主頁面 aspx

<%@ Page language="c#" Codebehind="inp116.aspx.cs" AutoEventWireup="false" Inherits="USE_WEB_SC.ASP.inp116" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >

<HTML>

<HEAD>

<title>各戶下單未承接表</title>

BODY { MARGIN-TOP: 0px; MARGIN-RIGHT: 0px }

BODY { FONT-SIZE: 12px }

TD { FONT-SIZE: 12px }

TH { FONT-SIZE: 12px }

</style>

</HEAD>

<TR>

<TR>

<asp:RequiredFieldValidator id="RequiredFieldValidator1" runat="server" Font-Size="12px" ErrorMessage="不能為空"

Display="Dynamic" ControlToValidate="TextBox1"></asp:RequiredFieldValidator>

<asp:RangeValidator id="RangeValidator1" runat="server" ErrorMessage="請輸入1～30之間的數字！" Display="Dynamic"

Type="Integer" MaximumValue="30" MinimumValue="1" ControlToValidate="TextBox1" Font-Size="12px"></asp:RangeValidator></TD>

</TR>

</TABLE>

</FONT>

</TD>

</TR>

<TR>

<TD vAlign="top"><iframe border="0" name="a1" src="inp116up.aspx" frameBorder="0" width="100%" scrolling="no"

onload="this.height=a1.document.body.scrollHeight"> 您的瀏覽器不支援內置框架或目前的設定為不顯示內置框架。</iframe>

</TD>

</TR>

</TABLE>

</form>

</body>

</HTML>

主頁面 aspx.cs

using System;

using System.Collections;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Web;

using System.Web.SessionState;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.HtmlControls;

using System.Data.SqlClient;

namespace USE_WEB_SC.ASP

{

/// <summary>

/// inp116 的摘要描述。

/// </summary>

public class inp116 : System.Web.UI.Page

{

protected System.Web.UI.WebControls.TextBox TextBox1;

protected System.Web.UI.WebControls.Button Button1;

protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;

protected System.Web.UI.WebControls.RangeValidator RangeValidator1;

protected System.Web.UI.WebControls.DataGrid dgShow;

private void Page_Load(object sender, System.EventArgs e)

{

if(!this.IsPostBack)

{

this.Session.Clear();

string stremp_no=Request.QueryString["emp_no"];

string strCon = System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"];

SqlConnection con = new SqlConnection(strCon);

con.Open();

SqlCommand cmd=new SqlCommand("select c30_02 from cnf30 where c30_05='"+stremp_no+"'",con);

string strc30_05=cmd.ExecuteScalar().ToString();

this.TextBox1.Text=strc30_05;

this.Session["strc30_05"]=Convert.ToString(Convert.ToInt64(strc30_05)*60);

}

this.Session["strcomid"]=this.Request.QueryString["comID"];

}

Web Form 設計工具產生的程式碼

private void Button1_Click(object sender, System.EventArgs e)

{

this.Session.Clear();

this.Session["strc30_05"]=Convert.ToString(Convert.ToInt64(this.TextBox1.Text)*60);

string sessionstr=this.Session["strc30_05"]+"";

this.Session["strcomid"]=this.Request.QueryString["comID"];

}

子頁面 aspx:

<%@ Page language="c#" Codebehind="inp116up.aspx.cs" AutoEventWireup="false" Inherits="USE_WEB_SC.ASP.inp116up" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >

<HTML>

<HEAD>

</HEAD>

<asp:DataGrid id="dgShow" style="Z-INDEX: 101; LEFT: 8px; POSITION: absolute; TOP: 8px" runat="server"

Width="100%" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px" BackColor="White"

CellPadding="3" Font-Size="12px" AutoGenerateColumns="False">

<asp:BoundColumn DataField="i16_01" HeaderText="編號">

</asp:BoundColumn>

<asp:BoundColumn DataField="i16_02" HeaderText="取件時間">

</asp:BoundColumn>

<asp:BoundColumn DataField="i16_21" HeaderText="公司客代">

</asp:BoundColumn>

<asp:BoundColumn DataField="i16_22" HeaderText="公司名稱">

</asp:BoundColumn>

<asp:BoundColumn DataField="i16_23" HeaderText="地址">

</asp:BoundColumn>

<asp:BoundColumn DataField="i16_24" HeaderText="聯系人">

</asp:BoundColumn>

<asp:BoundColumn DataField="i16_25" HeaderText="電話">

</asp:BoundColumn>

<asp:BoundColumn DataField="i16_27" HeaderText="Email">

</asp:BoundColumn>

<asp:BoundColumn DataField="i16_52" HeaderText="目的地">

</asp:BoundColumn>

<asp:BoundColumn DataField="i16_55" HeaderText="件數">

</asp:BoundColumn>

<asp:BoundColumn DataField="i16_57" HeaderText="重量">

</asp:BoundColumn>

<asp:BoundColumn DataField="i16_59" HeaderText="備註">

</asp:BoundColumn>

<asp:BoundColumn DataField="dep_no3" HeaderText="建檔分站">

</asp:BoundColumn>

<asp:BoundColumn DataField="comid" HeaderText="建檔公司">

</asp:BoundColumn>

<asp:HyperLinkColumn Target="_blank" DataNavigateUrlField="i16_04" DataNavigateUrlFormatString="http://www.use.com.hk/ASPN/inp016.aspx?key_i16_04={0}"

DataTextField="i16_04" HeaderText="查看" DataTextFormatString="詳細資料">

</asp:HyperLinkColumn>

</Columns>

</asp:DataGrid>

</form>

</body>

</HTML>

子頁面aspx.cs:

using System;

using System.Collections;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Web;

using System.Web.SessionState;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.HtmlControls;

using System.Data.SqlClient;

namespace USE_WEB_SC.ASP

{

/// <summary>

/// inp116up 的摘要描述。

/// </summary>

public class inp116up : System.Web.UI.Page

{

protected System.Web.UI.WebControls.DataGrid dgShow;

private void Page_Load(object sender, System.EventArgs e)

{

// 在這裡放置使用者程式碼以初始化網頁

this.BindData();

}

private void BindData()

{

string strcomid=this.Session["strcomid"]+"";

string strempty="";

string strCon = System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"];

SqlConnection con = new SqlConnection(strCon);

DataSet ds = new DataSet();

if(strcomid=="0000")

{

SqlDataAdapter da = new SqlDataAdapter("select i16_01,i16_02,i16_21,i16_22,i16_23,i16_24,i16_25,i16_27,i16_52,i16_55,i16_57,i16_59,dep_no3,comid,i16_04 from inf16 where i16_61='"+strempty+"' and i16_63='"+strempty+"'",con);

da.Fill(ds,"inf16");

}

else

{

SqlDataAdapter da = new SqlDataAdapter("select i16_01,i16_02,i16_21,i16_22,i16_23,i16_24,i16_25,i16_27,i16_52,i16_55,i16_57,i16_59,dep_no3,comid,i16_04 from inf16 where comid='"+strcomid+"' and i16_61='"+strempty+"' and i16_63='"+strempty+"'",con);

da.Fill(ds,"inf16");

}

dgShow.DataSource = ds.Tables["inf16"].DefaultView;

// ds.Tables["inf16"].DefaultView.Sort="c32_02 ASC";

dgShow.DataBind();

}