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Editorial Team
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Asked: 2026-05-12T19:09:55+00:00

How do I get to the current users name without doing it in the

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How do I get to the current users name without doing it in the code-behind, just using the aspx server tags?

In code-behind I can just do this:

Label4.Text = User.Identity.Name.ToString()

But I’m trying to do it without code-behind like this:

<body>
    <form id="form1" runat="server">
    <div>
        1. <asp:Label ID="Label1" runat="server" Text="<% User.Identity.Name %>"/><br />
        2. <asp:Label ID="Label2" runat="server" Text="<%= User.Identity.Name %>"/><br />
        3. <asp:Label ID="Label3" runat="server" Text="<%# User.Identity.Name %>"/><br />
        4. <asp:Label ID="Label4" runat="server" Text="<%= Context.User.Identity.Name %>"/><br />
        5. <asp:Label ID="Label5" runat="server" Text='<%# User.Identity.Name %>' /><br />
        6. <span runat="server" ID="Span1"><%= User.Identity.Name %></span><br />
        7. <asp:LoginName ID="LoginName1" runat="server" /><br />
        8. <span><%# User.Identity.Name %></span><br />
        9. <span><%= User.Identity.Name %></span><br />
        10. <asp:Label ID="Label6" runat="server" Text='<%= User.Identity.Name %>' /><br />
    </div>
    </form>
</body>

I get the username displayed for lines 6, 7, and 9 but I really want to set a property of a control to this value and not just display it on screen.

Is it possible?

Background: I was whipping up a quick app, dragging and dropping controls on the page, and it turned out that I did it with only having 1 line in code-behind of the page(s). That line was setting the value of a hidden field to the current users name in page load so I could pass the value of that control as a param of a sqlparameter. So I thought that since I was going this route (lots of stuff in aspx that maybe shouldn’t be there) I should try to be consistent with it. I don’t normally do it this way, but wanted to this time

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1 Answer

  1. Editorial Team

    In a comment you wrote:

    Also, if I could get any controls
    value set to this username I could
    then specify my sqlparameter is a
    controlparameter and that would get me
    where I need to be too.

    You can create a custom parameter type.

    Start by creating this class, either in App_Code or in a ASP.NET Server control dll:

    namespace ParameterDemo {
    public class LoginParameter : Parameter {
        public LoginParameter(string name)
            : base(name)
        {}

        protected override object Evaluate(HttpContext context, Control control)
        {
            //UPDATED as suggested in Joels comments below...
            //return HttpContext.Current.User.Identity.Name;
            return context.Current.User.Identity.Name;
        }
    }
}

    and registering it on the page (right after the @Page directive)

    <%@ Register TagPrefix="put" Namespace="ParameterDemo" %>

    (or optionally register it in web.config for use on all pages)

    …and the you can use it like this:

    <asp:SqlDataSource ID="SqlDataSource1" runat="server"
    SelectCommand="SELECT * FROM MyTable WHERE SomeValue=@SomeParameter">
    <SelectParameters>
        <put:loginParameter name="SomeParameter" />
    </SelectParameters>
</asp:ObjectDataSource>

    If this is what you’re looking for, you should consider editing the original question…

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