引用下面的dll文件
dll文件下载
在.aspx文件加载如下代码
<%@ Register Assembly="QuCha" Namespace="QuCha.Net.UI.WebControls" TagPrefix="cc1" %>
<tr>
<td align="center" >
<asp:Button ID="upload" runat="server" OnClick="Button1_Click" Text="上 传" />
</tr>
<tr>
<td> <cc1:UploadProgressBar UploadButtonName="upload" ID="UploadProgressBar1" runat="server">
</cc1:UploadProgressBar></td>
</tr>
上传的时候就自动显示进度条如图: