前台页面：<h3 class="mt20">活动/宣传信息</h3>
<table width="860" class="info_tab3 ctabt" id="table2">
<tr>
<th width="15%">活动名称</th>
<td><asp:TextBox ID="activityname" size="78" runat="server" TextName="活动名称" MaxLength="100" ></asp:TextBox><span class="title_red">*</span></td>
</tr>
<tr>
<th>活动概要</th>
<td>

<asp:TextBox ID="summary" Width="420px" runat="server" Height="55" TextMode="MultiLine" onpropertychange="MaxLength(this,300)"></asp:TextBox></td>
</tr>
<tr>
<th>活动时间段</th>

<td> <asp:TextBox ID="time" size="78" runat="server" MaxLength="40" ></asp:TextBox></td>
</tr>
<tr>
<th>活动地区</th>
<td><asp:TextBox ID="area" Width="420px" runat="server" Height="55" TextMode="MultiLine" onpropertychange="MaxLength(this,300)"></asp:TextBox></td>
</tr>
<tr>
<th>活动地点</th>
<td> <asp:TextBox ID="address" size="78" runat="server" MaxLength="100" ></asp:TextBox></td>
</tr>
<tr>
<th>宣传媒体</th>
<td><asp:TextBox ID="media" size="78" runat="server" MaxLength="100" ></asp:TextBox></td>
</tr>
</table>

<h3 class="mt20">上传附件</h3>
<tr align="left">
<div class="boperation" >
<center>
&nbsp;<asp:UpdatePanel ID="UpdatePanel1" runat="server" RenderMode="Block" UpdateMode="Conditional">
<ContentTemplate>
其他格式促销资料：<asp:FileUpload ID="fuPhoto" runat="server" onchange="PreviewImg();"
Width="300px" />
</ContentTemplate>
<Triggers>
<asp:PostBackTrigger ControlID="delA" />
</Triggers>
</asp:UpdatePanel>
<asp:HyperLink ID="filePath" runat="server" Target="_blank" Visible="false" ></asp:HyperLink>
<asp:LinkButton Visible="false" ID="delA" Text="[X]" runat="server" OnCommand="delA_Click"></asp:LinkButton>
<asp:HiddenField ID="fileUploadPath" runat="server" />

<asp:UpdatePanel ID="UpdatePanelFileUpload" runat="server" RenderMode="Block" UpdateMode="Conditional">
<Triggers>
<asp:PostBackTrigger ControlID="lbUploadPhoto" />
</Triggers>
</asp:UpdatePanel>
<asp:LinkButton ID="lbUploadPhoto" runat="server" Text="aa" OnClick="lbUpload_Click"></asp:LinkButton>
</center> </div>后台处理：//上传附件
protected void lbUpload_Click(object sender, EventArgs e)
{
fileUpload();
}
//删除附件
protected void delA_Click(object sender, CommandEventArgs e)
{
string path = fileUploadPath.Value;
path = Server.MapPath(path);
FileInfo file = new FileInfo(path);
if (file.Exists)
{
file.Delete();
}
fileUploadPath.Value = "";
fuPhoto.Visible = true;
filePath.Visible = false;
delA.Visible = false;
} public void fileUpload()
{
if (fuPhoto.PostedFile != null && fuPhoto.PostedFile.ContentLength > 0)
{
string ext = System.IO.Path.GetExtension(fuPhoto.PostedFile.FileName).ToLower();
//if (ext != ".jpg" && ext != ".jepg" && ext != ".bmp" && ext != ".gif" && ext != ".png")
//{
// this.Alert("请上传（*.jpg,*.jepg,*.bmp,*.gif,*.png)格式的图片！");
// return;
//}
string dir = Server.MapPath(PRODUCE_TEMP_FILE_PATH);
if (Directory.Exists(dir) == false)
{
Directory.CreateDirectory(dir);
} string filename = DateTime.Now.ToString("yyyyMMddHHmmssffff") + ext;
string path = PRODUCE_TEMP_FILE_PATH + filename;
fuPhoto.PostedFile.SaveAs(Server.MapPath(path));
fileUploadPath.Value = path;
fuPhoto.Visible = false;
delA.Visible = true;
filePath.Visible = true;
filePath.Text = fuPhoto.FileName;
filePath.NavigateUrl = path;
// uploadfilepath.Text = path;
}
else
{
//do some thing;
}
}保存
ProductSellPlanEntity sellplan = new ProductSellPlanEntity();
sellplan.ResourceId = System.Guid.NewGuid().ToString();
sellplan.ProjectId = productNum.Text;
sellplan.CreateNumber = createNumber.Text;
sellplan.ContantCompany = companyID.Value;
sellplan.ProjectTime = projecttime.Text;
sellplan.CreateUser = this.CurrentUser.UserName;
sellplan.CreateUserID = CurrentUser.UserId;
sellplan.Telphone = CurrentUser.OfficePhone;
sellplan.ActivityName = activityname.Text;
sellplan.ActivityDescription = summary.Text;
sellplan.ActivityTime = time.Text;
sellplan.ActivityArea = area.Text;
sellplan.ActivityAddress = address.Text;
sellplan.PropagandaMedia = media.Text;
sellplan.UploadFilename = filePath.Text; if (!string.IsNullOrEmpty(fileUploadPath.Value))
{
string path = Server.MapPath(fileUploadPath.Value);
FileInfo file = new FileInfo(path);
if (file.Exists)
{
string dir = Server.MapPath(PRODUCE_FILE_PATH);
if (Directory.Exists(dir) == false)
{
Directory.CreateDirectory(dir);
}
string fname = DateTime.Now.ToString("yyyyMMddHHmmssffff") + filePath.Text;
string targetFile = dir + fname;
if (path.IndexOf("ImportFiles") >= 0)
{
file.CopyTo(targetFile);
}
sellplan.UploadFilepath = PRODUCE_FILE_PATH + fname;
}
if (path.IndexOf("ImportFiles") >= 0)
{
FileInfo filetemp = new FileInfo(path);
filetemp.Delete();
}
}效果图片：