关于上传PDF文件的奇怪问题(无限郁闷中...........)

Question

我用asp.net写上传的程序，上传图片、exe文件、zip文件都没有问题，但是一上传pdf文件到本地，程序就报错(找不到服务器或者白板)，这是为什么呀？(数据库sqlserver2000,操作系统win2003)

Answer 1

代码如下： <form id="Form1" method="post" runat="server" encType="multipart/form-data">
<table cellSpacing="0" cellPadding="0" width="780" align="center">
<tr>
<td vAlign="top">
<table width="780" bgColor="#ffffff">
<tr>
<td align="center">
<table width="700">
<tr align="center">
<td class="titleSystem" height="40">添加电子报刊信息</td>
</tr>
</table>
<table class="tableborder" borderColor="#f8bf26" cellSpacing="0" cellPadding="0" width="80%"
border="1">
<tr align="center" bgColor="#f8c967" height="30">
<td colSpan="2"><font color="#ffffff">电子报刊基本信息</font></td>
</tr>
<tr height="30">
<td align="right" width="25%" bgColor="#f9e5af">所属期号&nbsp;</td>
<td width="75%" bgColor="#fefaef">&nbsp;第&nbsp;<asp:dropdownlist id="number" Runat="server" DataValueField="peri_number" DataTextField="peri_number"></asp:dropdownlist>&nbsp;期
</td>
</tr>
<tr height="30">
<td align="right" bgColor="#f9e5af">电子文档上传&nbsp;</td>
<td bgColor="#fefaef">&nbsp;<input class="inputcss" id="pdf" type="file" size="40" name="pdf" runat="server">
<asp:requiredfieldvalidator id="valPdf" Runat="server" ControlToValidate="pdf" ForeColor="saddlebrown" ErrorMessage="请上传电子文档"
Display="Dynamic"></asp:requiredfieldvalidator></td>
</tr>
</table>
</td>
</tr>
<tr>
<td align="center"><asp:imagebutton id="submit" onmouseover="MM_swapImage('submit','','/Cms/Images/button_addElectronic_on.gif',1)"
onmouseout="MM_swapImgRestore()" Runat="server" CausesValidation="True" ImageUrl="/Cms/Images/button_addElectronic.gif"></asp:imagebutton><asp:imagebutton id="cancel" onmouseover="MM_swapImage('cancel','','/Cms/Images/button_cancelElectronic_on.gif',1)"
onmouseout="MM_swapImgRestore()" Runat="server" CausesValidation="False" ImageUrl="/Cms/Images/button_cancelElectronic.gif"></asp:imagebutton></td>
</tr>
</table>
</td>
</tr>
</table>
</form>
private void submit_Click(object sender, System.Web.UI.ImageClickEventArgs e)
{
if(Session["CmsAdmin"]!=null)
{
string pdfExt;
string NewName = DateTime.Now.ToString("yyyyMMddHHmmss");
int back = 0;
try
{
if(Page.IsValid)
{
HttpPostedFile PostedPdf = pdf.PostedFile; pdfExt = System.IO.Path.GetExtension(PostedPdf.FileName).ToString().ToLower();
                                       
//生成电子文档文件
PostedPdf.SaveAs(pdfSavePath + NewName + pdfExt); ElectronicVO eVO = new ElectronicVO();
eVO.Number = Convert.ToInt32(number.SelectedValue);
eVO.Pdf = NewName + pdfExt; back = eP.AddElectronic(eVO);
if(back>0) Page.Response.Write(PageView.NormalString("电子报刊添加成功！","Default.aspx"));
else Page.Response.Write(PageView.ErrorString("电子报刊添加失败！数据库操作失败！"));
}
}
catch(Exception ex)
{
Page.Response.Write(PageView.ErrorString("电子报刊添加错误：" + ex.Message));
}
}
else
{
Page.Response.Redirect("/Cms/Login.aspx");
}
}