部署iis后不能上传文件...高手帮帮忙啊,在线等...

Question

 public string fileSaveAs(HttpPostedFile _postedFile, int _isWater)
        {
            try
            {
                string _fileExt = _postedFile.FileName.Substring(_postedFile.FileName.LastIndexOf(".") + 1);
                //验证合法的文件
                if (!CheckFileExt(this.fileType, _fileExt))
                {
                    return "{msg: 0, msbox: \"不允许上传" + _fileExt + "类型的文件！\"}";
                }
                if (this.fileSize > 0 && _postedFile.ContentLength > fileSize * 1024)
                {
                    return "{msg: 0, msbox: \"文件超过限制的大小！\"}";
                }
                string _fileName = DateTime.Now.ToString("yyyyMMddHHmmssff") + "." + _fileExt; //随机文件名
                //检查保存的路径 是否有/开头结尾
                if (this.filePath.StartsWith("/") == false) this.filePath = "/" + this.filePath;
                if (this.filePath.EndsWith("/") == false) this.filePath = this.filePath + "/";
                //按日期归类保存
                string _datePath = DateTime.Now.ToString("yyyyMMdd") + "/";
                this.filePath += _datePath;
                //获得要保存的文件路径
                string serverFileName = this.filePath + _fileName;
                //物理完整路径                    
                string toFileFullPath = HttpContext.Current.Server.MapPath(this.filePath);
                //检查是否有该路径没有就创建
                if (!Directory.Exists(toFileFullPath))
                {
                    Directory.CreateDirectory(toFileFullPath);
                }
                //将要保存的完整文件名                
                string toFile = toFileFullPath + _fileName;
                //保存文件
                _postedFile.SaveAs(toFile);                return "{msg: 1, msbox: \"" + serverFileName + "\"}";
            }
            catch
            {
                return "{msg: 0, msbox: \"上传过程中发生错误！\"}";
            }
        }

Answer 1

2003 server 系统有限制大于200k的文件上传的。请确认一下是不是文件大于200k的原因。

Answer 2

我重新上传下我的一些代码，这个不全//aspx文件
 <asp:TextBox ID="txtUrl" runat="server" CssClass="input w380 left"></asp:TextBox>
 <a href="javascript:void(0);" class="files">
 <input type="file" id="FileUpload" name="FileUpload" /></a> //js代码
//单个文件上传
$(function () {
    $("#FileUpload").bind("change", function () {
        //开始提交
        $("#form1").ajaxSubmit({
            beforeSubmit: function (formData, jqForm, options) {
                //隐藏上传按钮
                $(".files").hide();
                //显示LOADING图片
                $(".uploading").show();
            },
            success: function (data, textStatus) {
                if (data.msg == 1) {
                    $("#txtUrl").val(data.msbox);
                } else {
                    alert(data.msbox);
                }
                $(".files").show();
                $(".uploading").hide();
            },
            error: function (data, status, e) {
                alert("上传失败，错误信息：" + e);
                $(".files").show();
                $(".uploading").hide();
            },
            url: "/Tools/SingleUpload.ashx",
            type: "post",
            dataType: "json",
            timeout: 600000
        });
    });
});
//SingleUpload.ashx代码
 public class SingleUpload : IHttpHandler
    {
        public void ProcessRequest(HttpContext context)
        {
            //检查是否登录后上传操作
            //if (context.Session["AdminNo"] == null)
            //{
            //    context.Response.Write("{msg: 0, msbox: \"请登录后再进行上传文件！\"}");
            //    return;
            //}
            HttpPostedFile _upfile = context.Request.Files["FileUpload"];
            string _delfile = context.Request.Params["txtUrl"];
            if (_upfile == null)
            {
                context.Response.Write("{msg: 0, msbox: \"请选择要上传文件！\"}");
                return;
            }
            UpLoad upFiles = new UpLoad();
            string msg = upFiles.FileSaveAs(_upfile, 0);
            //删除已存在的旧文件
            if (!string.IsNullOrEmpty(_delfile))
            {
                string _filename = HttpContext.Current.Server.MapPath(_delfile);
                if (File.Exists(_filename))
                {
                    File.Delete(_filename);
                }
            }
            //返回成功信息
            context.Response.Write(msg);
        }        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
//upload文件上传代码
public string FileSaveAs(HttpPostedFile _postedFile, int _isWater)
        {
            try
            {
                string _fileExt = _postedFile.FileName.Substring(_postedFile.FileName.LastIndexOf(".") + 1);
                //验证合法的文件
                if (!CheckFileExt(this.fileType, _fileExt))
                {
                    return "{msg: 0, msbox: \"不允许上传" + _fileExt + "类型的文件！\"}";
                }
                if (this.fileSize > 0 && _postedFile.ContentLength > fileSize * 1024)
                {
                    return "{msg: 0, msbox: \"文件超过限制的大小！\"}";
                }
                string _fileName = DateTime.Now.ToString("yyyyMMddHHmmssff") + "." + _fileExt; //随机文件名
                //检查保存的路径 是否有/开头结尾
                if (this.filePath.StartsWith("/") == false) this.filePath = "/" + this.filePath;
                if (this.filePath.EndsWith("/") == false) this.filePath = this.filePath + "/";
                //按日期归类保存
                string _datePath = DateTime.Now.ToString("yyyyMMdd") + "/";
                this.filePath += _datePath;
                //获得要保存的文件路径
                string serverFileName = this.filePath + _fileName;
                //物理完整路径                    
                string toFileFullPath = HttpContext.Current.Server.MapPath(this.filePath);
                //检查是否有该路径没有就创建
                if (!Directory.Exists(toFileFullPath))
                {
                    Directory.CreateDirectory(toFileFullPath);
                }
                //将要保存的完整文件名                
                string toFile = toFileFullPath + _fileName;
                //保存文件
                _postedFile.SaveAs(toFile);                return "{msg: 1, msbox: \"" + serverFileName + "\"}";
            }
            catch
            {
                return "{msg: 0, msbox: \"上传过程中发生错误！\"}";
            }
        }