asp.net with c#
<p>I have one page which is placed in the Master Page.</p>

<p>In the master page i have 1 dropdown and one GridView, dropdown is display the category , based on the dropdown list selection it will display the list of videos in the Grid.</p>

<p>In the content page i have the video player, in the page load it will play the video by default.</p>

<p>But when i choose the drop down list which is available in the master page, the page is refreshing, SO the video is start play from the first.</p>

<p>The content page should not refresh, So the video will continuously play.</p>

<p>So please advice how to stop the page refresh in the content page. please help me its urgent.</p>

<p>Thanks in Advance</p>

<p>All are in mater page</p>

<p>`
                        </p>

<pre><code>                    &lt;asp:DropDownList ID="drp_Channel" Width="220px" CssClass="ddl" 
                            AutoPostBack="true" runat="server" 
                            onselectedindexchanged="drp_Channel_SelectedIndexChanged"&gt;
                      &lt;asp:ListItem&gt;-- Select Channels --&lt;/asp:ListItem&gt;
                      &lt;/asp:DropDownList&gt;
                   &lt;/ContentTemplate&gt;
                    &lt;/asp:UpdatePanel&gt;
</code></pre>

<p>
                                </p>

<pre><code>                            &lt;asp:GridView ID="grd_Video" runat="server" AutoGenerateColumns="False" OnRowCommand="LinkName"
                            GridLines="None" ShowHeader="False" Width="100%" EmptyDataText="No Videos Found" &gt;
                            &lt;Columns&gt;
                                &lt;asp:TemplateField&gt;
                                    &lt;ItemTemplate&gt;

                                        &lt;asp:ImageButton ID="img_Video" runat="server" BorderColor="#666699" CssClass="imgbox"
                                            ImageUrl='&lt;%#(string)FormatImageUrl((string)Eval("Video_Thumbnail")) %&gt;' 
                                            CommandName="imgClick" CommandArgument='&lt;%# Bind("Video_ID")%&gt;' 
                                            BorderWidth="0px" Height="40px" ToolTip="Click to view video" Width="50px" 
                                            BorderStyle="Double" /&gt;

                                    &lt;/ItemTemplate&gt;
                                &lt;/asp:TemplateField&gt;
                                &lt;asp:TemplateField&gt;
                                    &lt;ItemTemplate&gt;
                                    &lt;asp:LinkButton ID="lnk_VideoName" runat="server" ToolTip="Click to view video" 
                                            CommandName="lnkClick" CommandArgument='&lt;%# Bind("Video_ID")%&gt;' 
                                            Text='&lt;%# DataBinder.Eval(Container, "DataItem.Video_Name") %&gt;' 
                                            CssClass="linkVideo" Width="130px"&gt;&lt;/asp:LinkButton&gt; 

                                    &lt;/ItemTemplate&gt;
                                &lt;/asp:TemplateField&gt;
                            &lt;/Columns&gt;
                            &lt;AlternatingRowStyle BackColor="#cccccc" /&gt;

                        &lt;/asp:GridView&gt;
                        &lt;/ContentTemplate&gt;
                            &lt;/asp:UpdatePanel&gt;`
</code></pre>

<p>in code behind for binding grid,</p>

<p>DataTable dt1Video = new MDBusiness.MDSUser().GetVideo(intNetId, intChanId, intCatId);
                    grd_Video.DataSource = dt1Video;
                    grd_Video.DataBind();
                    up1.Update();
                    up2.Update();</p>
