1.请问如何可以让图片在网页上可以用MOUSE随意拖动到某个位置.
2.如果问题一解决了,那么如何将这两张图保存成为一张图.
2.如果问题一解决了,那么如何将这两张图保存成为一张图.
解决方案 »
- GridView模板列中LinkButton事件如何获得当前行主键值?
- 本人做了一个新网站,全英文,希望大家支持一下,谢谢
- htm页中嵌套动态页面,如何刷新该动态页面(有分页)?急!!!
- petshop4 配置问题,
- 为什么找不到动态加载的控件呢?
- 深圳8级台风,风声响得我睡不着,放两个自制小控件给大家玩玩
- SQL语句行转列有人会么?
- string 怎么转换成 byte []类型 接收邮件时的问题
- 请问在button当中关闭浏览器窗口的C#代码怎么写?(不弹出对话框)
- DATALIST绑定的取值问题?
- baidu的缺陷!
- 数据库连接字符串(ConnectionString) ,开发时候和发布时候不一样,发布上去不能访问
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Drawing;
using System.IO;
using System.Data.OleDb;public partial class ShowIP : System.Web.UI.Page
{
private Bitmap bmp;
private Graphics g;
private MemoryStream ms;
protected void Page_Load(object sender, EventArgs e)
{
bmp = new Bitmap(500, 500);
g = Graphics.FromImage(bmp);
ms = new MemoryStream(); ///定义一个内存流
g.DrawImage(System.Drawing.Image.FromFile(Server.MapPath("image/bj.jpg")), 0, 0, 277, 150);
g.DrawBezier(new Pen(Color.Red), 100,50,200,0,300,300,400,500);
bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
Response.ClearContent();
Response.ContentType = "image/Png";
Response.BinaryWrite(ms.ToArray());
Response.End();
}
private void WriteVisitData(String StrUrl, String StrIP, String StrDate, String StrAddress)
{
OleDbConnection myCon = new OleDbConnection(ConfigurationManager.ConnectionStrings["dataConnectionString"].ConnectionString);
OleDbCommand myCmd = new OleDbCommand("Insert into visitTable(visitUrl, visitIP,visitDate,visitAddress) Values('"
+ StrUrl + "','" + StrIP + "', '" + StrDate + "','" + StrAddress + "')", myCon);
myCon.Open();
myCmd.ExecuteNonQuery();
myCon.Close();
}
private Boolean GetUrlState(String Url)
{
String SqlStr = "Select * From filteredTable Where fUrl='" + Url + "'";
Boolean ResultValue = false;
OleDbConnection myCon = new OleDbConnection(ConfigurationManager.ConnectionStrings["dataConnectionString"].ConnectionString);
OleDbDataAdapter myAdapter = new OleDbDataAdapter(SqlStr, myCon);
DataSet mySet = new DataSet();
myAdapter.Fill(mySet, "filteredTable");
if (mySet.Tables["filteredTable"].Rows.Count > 0)
ResultValue = true;
else
ResultValue = false;
myCon.Close();
myCon.Dispose();
myAdapter.Dispose();
mySet.Dispose();
return ResultValue;
}
}
这是一段绘 图代码!
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Drawing;
using System.IO;
using System.Data.OleDb;public partial class ShowIP : System.Web.UI.Page
{
private Bitmap bmp;
private Graphics g;
private MemoryStream ms;
protected void Page_Load(object sender, EventArgs e)
{
bmp = new Bitmap(500, 500);
g = Graphics.FromImage(bmp);
ms = new MemoryStream(); ///定义一个内存流
g.DrawImage(System.Drawing.Image.FromFile(Server.MapPath("image/bj.jpg")), 0, 0, 277, 150);
g.DrawBezier(new Pen(Color.Red), 100,50,200,0,300,300,400,500);
bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
Response.ClearContent();
Response.ContentType = "image/Png";
Response.BinaryWrite(ms.ToArray());
Response.End();
}
}
发多了。下面的代码没用?这段是绘图的代码!