how to submit form in asp and get its values

asp.net, html

Solution

Your code doesn't seem to have any radiobutton controls...

Samples showing different options:

HTML

<form id="form1" runat="server">
 <div>
    <p>
        Name:
        <asp:TextBox ID="textbox1" runat="server" />
        <br />
        Coffee preference:
        <asp:RadioButtonList ID="CoffeeSelections" runat="server" RepeatLayout="Flow" RepeatDirection="Horizontal">
            <asp:ListItem>Latte</asp:ListItem>
            <asp:ListItem>Americano</asp:ListItem>
            <asp:ListItem>Capuccino</asp:ListItem>
            <asp:ListItem>Espresso</asp:ListItem>
        </asp:RadioButtonList>
        <br />
    </p>
    <asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />
</div>
<div>
    <h1>
        Results</h1>
    <p>
        <asp:Label runat="server" ID="labelResults"></asp:Label></p>
</div>
</form>

Code:

//You can inspect on Page_Load
protected void Page_Load(object sender, EventArgs e)
{
    //Only inspect on submission
    if (Page.IsPostBack)
    {
        if (!string.IsNullOrEmpty(CoffeeSelections.SelectedValue))
        {
            labelResults.Text = CoffeeSelections.SelectedValue + "<br />";
        }

        //you can also inspect request.form colletion
        foreach (string item in Request.Form)
        {
            labelResults.Text += "<b>KEY</b> : " + item + " <b>VALUE</b> = " + Request.Form[item] + "<br />";
        }
    }
}

//You can also inspect on raised control events (e.g. button)
protected void Button1_Click(object sender, EventArgs e)
{
    string _foo = CoffeeSelections.SelectedValue;
    labelResults.Text += _foo;

}

Problem

Original source