本来上传是正常的,不知道为什么,今天发现报异常了。处理发生错误!原因:System.IO.FileNotFoundException: Winter.jpg 在 System.Drawing.Image.FromFile(String filename, Boolean useEmbeddedColorManagement) 在 System.Drawing.Image.FromFile(String filename) 在 Manger_imagegallery.UploadImage_OnClick(Object sender, EventArgs e) 位置 d:\wo\Wyweb\Manage\imagery.aspx.cs:行号 106代码是没有问题的,因为我在另外一台电脑运行正常。
奇怪了。 protected void UploadImage_OnClick(object sender, EventArgs e)
    {    
        try
        {
            this.labIamge.Visible = true;
            labIamge.Text = "";
            if (imageUpload.PostedFile.FileName == "")
            {
                Response.Write(ccObj.MessageBox( "要上传的文件不允许为空!"));
                return;
            }
            else
            {
                string filePath= imageUpload.PostedFile.FileName;
                string filename = filePath.Substring(filePath.LastIndexOf("\\") + 1);//图片文件名
                string fileEx = filePath.Substring(filePath.LastIndexOf(".") + 1);//扩展名
                string serverpath = Server.MapPath(@"~\Images\ftp\") + filename;
                string relativepath = @"~\images\ftp\" + filename;
                string strSql = "select * from tb_Image where ImageName='"+filename+"'";
                DataTable dsTable = SqlBase.Select(strSql);
                if (dsTable.Rows.Count > 0)
                {
                    Response.Write(ccObj.MessageBox("该图片已存在!"));
                }
                else
                {
                    //判断图片格式
                    if (fileEx == "jpg" || fileEx == "bmp" || fileEx == "gif")
                    {
                        //生成缩略图
                        System.Drawing.Image image, newimage;
                        image = System.Drawing.Image.FromFile(filePath);
                        System.Drawing.Image.GetThumbnailImageAbort callb=null;
                        newimage = image.GetThumbnailImage(67, 90, callb, new System.IntPtr());
                        //把缩略图保存到指定的虚拟路径
                        newimage.Save(serverpath);
                        //释放image对象占用的资源
                        newimage.Dispose();
                        image.Dispose();
                         string strAddSql = "insert into tb_Image(ImageName,ImageUrl)";
                        strAddSql += "Values('" + filename + "','" + relativepath + "')";
                        SqlBase.ExecuteSql2(strAddSql);
                       
                       dlImageBind();
                        Response.Write(ccObj.MessageBox("上传成功!"));
                    }
                    else
                    {
                        Response.Write(ccObj.MessageBox("上传的图片扩展名错误!"));                    }
                   
                }
               
            }
        
        }
        catch (Exception error)
        {
            labIamge.Text = "处理发生错误!原因:" + error.ToString();
        }
      用断点查出是image = System.Drawing.Image.FromFile(filePath);
                        System.Drawing.Image.GetThumbnailImageAbort callb=null;
没有运行,应该是找不到路径,但问题是,前两天还用的好好的,不知道哪位高手有什么
方法处理,或者说有另外一种写法,稳定点的。