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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.IO;
using System.Drawing.Drawing2D;
namespace WebPageIndex
{
/**//// <summary>
/// WebForm1 µÄժҪ˵Ã÷¡£
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.HtmlControls.HtmlImage IMG1;

private void Page_Load(object sender, System.EventArgs e)
{
// ÔÚ´Ë´¦·ÅÖÃÓû§´úÂëÒÔ³õʼ»¯Ò³Ãæ
MyTempImage myTempImage=new MyTempImage();
IMG1.Src=myTempImage.CreateImage();

}
public class MyTempImage : Page
{
public string CreateImage()
{
string str="ÐËÖй«Ë¾²ÆÎñÕÂ";
Bitmap image=new Bitmap(300,300);
Graphics g=Graphics.fromImage(image);
string thefullname=Server.MapPath("/")+"\\nowtime.gif";
Pen p=new Pen(Brushes.Red,10);
Pen p1=new Pen(Brushes.Red,5);
SolidBrush b=new SolidBrush(Color.Red);
g.SmoothingMode=SmoothingMode.AntiAlias;
Point point1 = new Point( 150, 50);
Point point2 = new Point(50, 150);
Point point3 = new Point(230, 150);

Point[] curvePoints =
{
point1,
point2,
point3,
};
g.FillPolygon(b,curvePoints,FillMode.Winding );
g.DrawEllipse(p,10,10,280,280);
g.DrawString(str,new Font("Á¥Êé",20,FontStyle.Bold),new
SolidBrush(Color.fromArgb(255, 255,0


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public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string str = "123456789";
        //string str1 = Eval("str").ToString ......

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/**//// <summary>
/// Ãû³Æ£ºIsNumberic
/// ¹¦ÄÜ£ºÅжÏÊäÈëµÄÊÇ·ñÊÇÊý×Ö
/// ²ÎÊý£ºstring oText£ºÔ´Îı¾
/// ·µ»ØÖµ£º¡¡bool true:ÊÇ¡¡false:·ñ
/// </summary>
public bool IsNumberic(string oText)
{
try
{
int var1=Convert.ToInt32 (oText);
return true;
}
catch ......

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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; //µ¼ÈëÃüÃû¿Õ¼ä
using System.IO;
using Excel = Microsoft.Office.Interop.Excel;
using System.Reflection;
using System.Data;
usi ......
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