更新进度不起作用 [英] update progress not work

问题描述

我想在单击按钮时显示gif图像，但是它不起作用.

i want to display a gif image when button is clicked but it does not work.

<asp:ScriptManager ID="s1" runat="server"></asp:ScriptManager>
<asp:UpdateProgress ID="up1" runat="server" AssociatedUpdatePanelID="u1">
<ProgressTemplate>
    <img src="images/progress.gif" />
    Processing....
</ProgressTemplate>
</asp:UpdateProgress>

<asp:UpdatePanel ID="u1" runat="server">
<ContentTemplate>
    <asp:Panel ID="Panel1" runat="server">
    <table align="left" border="1" width="100%">
<tr>
<td align="center" colspan="2">
    <asp:Label ID="Label2" runat="server" Text="Your Message to Top Management" Font-Size="Large"

        ForeColor="Black"></asp:Label>
</td>

</tr>
<tr>
<td align="left">
    <asp:Label ID="Label1" runat="server" Text="Write Your Message"

        Font-Size="Medium" ForeColor="Black"></asp:Label>
</td>
<td align="left">
    <asp:TextBox ID="txt_msg" runat="server" TextMode="MultiLine" Height="200px"

        Width="500px" Font-Size="Medium"></asp:TextBox>

</td>
</tr>
<tr>
<td colspan="2">
</td>
</tr>

<tr>
<td colspan="2" align="center">
    <asp:Button ID="Button1" runat="server" Text="Send Your Message"

         OnClientClick="return validate()" onclick="Button1_Click"

        Font-Size="Large" />
</td>
</tr>

<tr>
<td align="center" colspan="2">
    <asp:Label ID="Label3" runat="server" Font-Size="Large"

        ForeColor="Green" Visible="false"></asp:Label>
</td>

</tr>
</table>
</asp:Panel>
</ContentTemplate>
</asp:UpdatePanel>

请帮助我....
Mitesh

please help me....
Mitesh

推荐答案

请看一下相同的讨论:
UpdateProgress在Updatepanel控件下无法正常工作. [

Please have a look on same discussion:
UpdateProgress not working under Updatepanel control.[^]

我已经测试了以下代码及其正常工作. br/> 这是经过测试的代码..

I have tested following code and its working fine..
here the tested code..

<asp:ScriptManager ID="s1" runat="server">
    </asp:ScriptManager>
     <asp:UpdateProgress ID="up1" runat="server" AssociatedUpdatePanelID="u1">
        <ProgressTemplate>
            <img src="images/progress.gif"  alt="processing.."/>
        </ProgressTemplate>
    </asp:UpdateProgress>
       <asp:UpdatePanel ID="u1" runat="server">
        <ContentTemplate>
            <asp:Panel ID="Panel1" runat="server">
                <table align="left" border="1" width="100%">
                    <tr>
                        <td align="center" colspan="2">
                            <asp:Label ID="Label2" runat="server" Text="Your Message to Top Management" Font-Size="Large"

                                ForeColor="Black"></asp:Label>
                        </td>
                    </tr>
                    <tr>
                        <td align="left">
                            <asp:Label ID="Label1" runat="server" Text="Write Your Message" Font-Size="Medium"

                                ForeColor="Black"></asp:Label>
                        </td>
                        <td align="left">
                            <asp:TextBox ID="txt_msg" runat="server" TextMode="MultiLine" Height="200px" Width="500px"

                                Font-Size="Medium"></asp:TextBox>
                        </td>
                    </tr>
                    <tr>
                        <td colspan="2">
                        </td>
                    </tr>
                    <tr>
                        <td colspan="2" align="center">
                            <asp:Button ID="Button1" runat="server" Text="Send Your Message"

                                OnClick="Button1_Click" Font-Size="Large" />
                        </td>
                    </tr>
                    <tr>
                        <td align="center" colspan="2">
                            <asp:Label ID="Label3" runat="server" Font-Size="Large" ForeColor="Green" Visible="false"></asp:Label>
                        </td>
                    </tr>
                </table>
            </asp:Panel>
        </ContentTemplate>
    </asp:UpdatePanel>

请查看以下链接以了解更多信息..
http://msdn.microsoft.com/en-us/library/bb386421.aspx [ ^ ]

check out following link for more understanding..
http://msdn.microsoft.com/en-us/library/bb386421.aspx[^]

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