Asp.net程序中上传图片时出现错误,该怎么解决?

Tian308165166 2011-05-25 08:05:15

点上传时出现的错误提示：
处理发生错误！原因：
System.IO.FileNotFoundException: 17.png
在 System.Drawing.Image.FromFile(String filename, Boolean useEmbeddedColorManagement)
在 System.Drawing.Image.FromFile(String filename)
在 Manage_Imagery.AddImgGoods_OnClick(Object sender, EventArgs e)

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jetable 2011-05-25

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try{}catch{}最基本的，看异常原因是文件未找到

子夜__ 2011-05-25

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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;

using System.Data.SqlClient;



public partial class _Default : System.Web.UI.Page 

{

    protected void Page_Load(object sender, EventArgs e)

    {



    }

    protected void Button1_Click(object sender, EventArgs e)

    {

        string name = FileUpload1.FileName;//上传文件名字

        string size = FileUpload1.PostedFile.ContentLength.ToString();

        string type = FileUpload1.PostedFile.ContentType;

        string type2 = name.Substring(name.LastIndexOf(".") + 1);

        string ipath = Server.MapPath("upimg") + "\\" + name;

        string fpath = Server.MapPath("upfile") + "\\" + name;

        string path="F:\\aaa\\"+FileUpload1.FileName;

        string wpath = "upimg\\" + name;

        if (type2 == "jpg" || type2 == "gif" || type2 == "bmp" || type2 == "png")

        {

            FileUpload1.SaveAs("F:\\aaa\\"+FileUpload1.FileName);

           // Image1.ImageUrl="F:\\aaa\\"+FileUpload1.FileName;

            Label1.Text = "你传图片的名字是" + name + "<br>文件大小为" + size + "<br>文件类型为" + type2 + "<br>文件路径为" + ipath;

        }

        

        SqlConnection cn = new SqlConnection("server=.;database=Northwind;uid=sa;pwd=sa");

        SqlCommand cmd = new SqlCommand("insert into Image(imageName,imagepath) values('" + name + "','" + path + "')", cn);

        cn.Open();

        cmd.ExecuteNonQuery();

        cn.Close();

    }

    protected void Button2_Click(object sender, EventArgs e)

    {    SqlConnection cn = new SqlConnection("server=.;database=Northwind;uid=sa;pwd=sa");

    SqlCommand cmd = new SqlCommand("select imageName from Image where imageID='" + Convert.ToInt32(TextBox1.Text) + "'", cn);

    cn.Open();

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

    cn.Close();

    Image1.ImageUrl = "F:\\aaa\\" + a;

     }

}