获取Razor中动态生成的按钮的ID

Question

I've a table with a list of object and in every row I've dynamically generated button to delete the row.

how to get in @{ c# } the id of the pressed button?

@for (int i = 0; i < BL.SNG.GetListLen(); i++)
{
    <form method="post"
          action="">
        <input type="submit"
               value="Delete @i"
               id="@i"
               onclick="button_click(this.id)" />
    </form>
    </td>

Answer 1

You are placing the id on the wrong element. Since the loop creates a new form element and a new button on each iteration. the id should be assigned to the form element itself. I assume button_click refers to some JavaScript function defined elsewhere.

Note that it is discouraged to attach event handlers to elements in the html markup portion of your page. You should generally add them from JavaScript. Like this:

document.getElementsByTagName("input")
.forEach( addEventListener("click", function (...) { });

Sorry, I just noticed your comment about deleting the row represented from the database. You could use the submit action of the form itself to do that as well.