Programmatically display the image button in asp.net c#

I get my expected output displayed as below, but how do I know which button the user clicked?
enter image description here

Below here is my code in asp.net, or maybe I should use asp:Repeater to do this ?

    <table style="width: auto">
     

        <% int count = 1;

            for (int i = 0; i < (No_of_Bed / 2); i++){%>

        <tr>

        <% for (int j = 0; j < 2; j++) { %>
                <td>
                    Position <%=count %> :
                </td>
                <td>
                    <asp:ImageButton ID="bed" runat="server" ImageUrl="~/img.png" />
                </td>
            
        <% count++; }%>

           </tr>
         <%   } %>
            
        <tr>
</table>

Answers:

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Method 1

Okay, so here is an example of how to do it.

<table style="width: auto">
     

        <% int count = 1;

            for (int i = 0; i < (No_of_Bed / 2); i++){%>

        <tr>

        <% for (int j = 0; j < 2; j++) { %>
                <td>
                    Position <%=count %> :
                </td>
                <td>
                    <asp:ImageButton ID="bed" runat="server" OnClick="bed_Click" CommandName='Parse here the value you want' ImageUrl="~/img.png" />
                </td>
            
        <% count++; }%>

           </tr>
         <%   } %>
            
        <tr>
</table>

You can use by the way CommandName and CommandArgument, it does not really matter.
Backend:

 protected void bed_Click(object sender, ImageClickEventArgs e)
        {
            ImageButton btn = sender as ImageButton;

            string commandname = btn.CommandName;
        }

Method 2

for that, you need a different Id for every Image buttons,
not sure if it is useful for your Requirement, but you can try using this

Change ID=”bed_0″ -> For Image one ,
ID=”bed_1″ So on

For that, you can use int j

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