c#, code behind with html5

on c# code behind, how can i get id name called 'DEP_FIRST_NAME_1'?  not value of the DEP_FIRST_NAME_1

<input runat="server" type="text" class="form-control" id="DEP_FIRST_NAME_1" name="DEP_FIRST_NAME_1" placeholder="First Name" />

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LVL 1
ITsolutionWizardAsked:
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Ryan ChongConnect With a Mentor Commented:
use this to referring to the control in code behind:
System.Web.UI.HtmlControls.HtmlInputText t = (System.Web.UI.HtmlControls.HtmlInputText)this.FindControl("DEP_FIRST_NAME_1");
            if (t != null)
            {
                Response.Write(t.ID + ":" + t.Value);
            }

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to get the "ID" , you may do a loop at code behind, like:
foreach (Control c in Page.Controls)
            {
                foreach (Control childc in c.Controls)
                {
                    Response.Write(childc.ID + "<br>");
                }
            }

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or you want to get it from jQuery?
0
 
Ryan ChongCommented:
for jQuery, you can try:
<script src="https://code.jquery.com/jquery-3.1.0.slim.min.js"
	    integrity="sha256-cRpWjoSOw5KcyIOaZNo4i6fZ9tKPhYYb6i5T9RSVJG8="
	    crossorigin="anonymous"></script>

<script language="javascript">
    $('#form1 input').each(function (id, value) {
        console.log(this.id);
    });
</script>

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