how to pass Id of selected item when the check box is checked in repeater?

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ASP.NET

repeater

Hi,

I 'm begginer in asp.net. I have a repeater that user can select several item for delete (by checking checkbox of any item) and click on an button for delete selected items.

in onclick event of this button, I want read id of selected item and pass them to Storeprocedure for delete from DB.
Now my ask is:
1. how to pass Id ("Feed_ID") of selected item when the check box is checked in below code?
also I want that when a item selected(user checked checkbox) background color of selected item changed. how to do this?
this is my repeater code:

<ItemTemplate>
                            <div id="rptRssContent">
                                <div id="rptRssVisibleBtn" class="RepeaterDivs"  style="width:5%;">
                                        <a id="RssVisibleLink" href='Default.aspx?VisibleRssId=<%#Eval("Feed_ID") %>'>
                                        <asp:Image ID="EditLinkImg" runat="server" ImageUrl="~/Images/eye(3).png"  Width="30px" Height="30px"/>
                                        </a>
                                </div>

                                <div id="rptRssEditBtn" class="RepeaterDivs" style="width:5%;">
                                        <a id="EditRssLink" href='Default.aspx?EditRssId=<%#Eval("Feed_ID") %>'>
                                        <asp:Image ID="EditRssImg" runat="server" ImageUrl="~/image/pencil.png"  Width="30px" Height="30px"/>
                                        </a>
                                </div>
                                <div id="rptRssDeleteChkDiv"  class="RepeaterDivs" style="width:5%;">
                                        <asp:CheckBox ID="rptRssDeleteChk" runat="server" />
                                </div>

                                <div id="rptRssTitle" class="RepeaterDivs" style="width:15%;">
                                  <%#Eval("FTitle")%>
                                    
                                </div>
                                <div id="rptRssDescription" class="RepeaterDivs" style="width:45%;">
                                  <%#Eval("FDescription")%>
                                    
                                </div>
                                <div id="rptRssUrl" class="RepeaterDivs" style="width:15%;">
                                    <%#Eval("FUrl") %>
                                </div>
                                <div id="rptRssPublicationDate" class="RepeaterDivs" style="width:10%;">
                                    <%#Eval("FPublicationDate") %>
                                </div>
                                <div class="RepeaterDivs" style="width:100%;">
                                    <hr />
                                </div>
                            </div>
                        </ItemTemplate>

I thanks a lot :)