Make a little change to the last time, add a more beautiful progress show
The top one is the running picture, the following is the end of the picture
The icons used are here:
Changes to the last front desk are as follows:
<%@ Page language= "C #" codebehind= "WebForm54.aspx.cs" autoeventwireup= "false" inherits= "csdn. WebForm54 "%>
<! DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 transitional//en" >
<HTML>
<HEAD>
<title>WebForm54</title>
<meta content= "Microsoft Visual Studio. NET 7.1" name= "generator" >
<meta content= "C #" Name= "Code_language" >
<meta content= "JavaScript" name= "vs_defaultClientScript" >
<meta content= "http://schemas.microsoft.com/intellisense/ie5" name= "Vs_targetschema" >
<style type= "Text/css" >
. font {font-weight:normal; font-size:9pt; COLOR: #000000; font-family: "Song Body", Sans-serif; Background-color: #f0f0f0; Text-decoration:none}
</style>
</HEAD>
<body>
<form id= "Form1" method= "POST" runat= "Server" >
<div id= "Div_load" runat= "Server" >
<table width= "height=" border= "1" bordercolor= "#cccccc" cellpadding= "5" cellspacing= "1"
class= "Font" style= "Filter:alpha" (opacity=80); width:320px; height:72px ">
<TR>
<TD>
<p>
<BR>
<asp:label id= "lab_state" runat= "Server" ></asp:Label></P>
</TD>
</TR>
</table>
<BR>
</div>
<asp:button id= "btn_startwork" runat= "Server" text= "Run a long time task" ></asp:Button><BR>
<BR>
<asp:label id= "LAB_JG" runat= "Server" ></asp:Label>
</form>
</body>
</HTML>
Background modifications are as follows:
Using System;
Using System.Collections;
Using System.ComponentModel;
Using System.Data;
Using System.Data.SqlClient;
Using System.Drawing;
Using System.Web;
Using System.Web.SessionState;
Using System.Web.UI;
Using System.Web.UI.WebControls;
Using System.Web.UI.HtmlControls;
Namespace Csdn
{
<summary>
Summary description of the WebForm54.
</summary>
public class WebForm54:System.Web.UI.Page
{
protected System.Web.UI.HtmlControls.HtmlGenericControl div_load;
protected System.Web.UI.WebControls.Button btn_startwork;
protected System.Web.UI.WebControls.Label lab_state;
protected System.Web.UI.WebControls.Label LAB_JG;
protected work w;
private void Page_Load (object sender, System.EventArgs e)
{
Place user code here to initialize page
if (session["work"]==null)
{
W=new work ();
session["Work"]=W;
}
Else
{
w= (work) session["work"];
}
Switch (w.state)
{
Case 0:
{
This.div_load. Visible=false;
Break
}
Case 1:
{
This.lab_state. text= "" + (TimeSpan) (datetime.now-w.starttime). Totalseconds.tostring ("0.00") + "seconds passed, percent complete:" +w.percent+ "%";
This.btn_startwork. Enabled=false;
Page.registerstartupscript ("", "<script>window.settimeout" (' Location.href=location.href ', 1000); </script > ");
This.lab_jg. Text= "";
Break
}
Case 2:
{
This.lab_jg. Text= "The task ends and all operations are performed successfully, when" + ((TimeSpan) (W.finishtime-w.starttime)). totalseconds+ "seconds";
This.btn_startwork. Enabled=true;
This.div_load. Visible=false;
Break
}
Case 3:
{
This.lab_jg. Text= "The task ends in" + ((TimeSpan) (W.errortime-w.starttime)). totalseconds+ "Second error causes the task to fail";
This.btn_startwork. Enabled=true;
This.div_load. Visible=false;
Break
}
}
}
Code generated #region the Web forms Designer
Override protected void OnInit (EventArgs e)
{
//
CodeGen: This call is required for the ASP.net Web forms Designer.
//
InitializeComponent ();
Base. OnInit (e);
}
<summary>
Designer supports required methods-do not use the Code editor to modify
The contents of this method.
</summary>
private void InitializeComponent ()
{
This.btn_startwork. Click + + new System.EventHandler (This.btn_startwork_click);
This. Load + = new System.EventHandler (this. Page_Load);
}
#endregion
private void Btn_startwork_click (object sender, System.EventArgs e)
{
if (w.state!=1)
{
This.btn_startwork. Enabled=false;
This.div_load. Visible=true;
W.runwork ();
Page.registerstartupscript ("", "<script>location.href=location.href;</script>");
}
}
}
public class work
{
public int state=0;//0-No start, 1-running, 2-Successful end, 3-fail end
public int percent=0;//percent complete
Public DateTime StartTime;
Public DateTime Finishtime;
Public DateTime Errortime;
public void Runwork ()
{
Lock (This)
{
if (state!=1)
{
state=1;
Starttime=datetime.now;
System.Threading.Thread thread=new System.Threading.Thread (New System.Threading.ThreadStart (DoWork));
Thread. Start ();
}
}
}
private void DoWork ()
{
Try
{
SqlConnection conn=new SqlConnection (system.configuration.configurationsettings.appsettings["Conn"));
SqlCommand cmd=new SqlCommand ("Insert into Test (test) VALUES (' Test ')", conn);
Conn. Open ();
for (int p=0;p<100;p++)
{
for (int i=0;i<10;i++)
{
Cmd. ExecuteNonQuery ();
}
percent=p;//here is the definition of percentage, and you estimate how much time the operating fee defines.
}
Conn. Close ();
The above code performs a database operation that consumes time
state=2;
}
Catch
{
Errortime=datetime.now;
percent=0;
state=3;
}
Finally
{
Finishtime=datetime.now;
percent=0;
}
}
}
}
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