<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void Button1_Click(object sender, EventArgs e)
{
Label1.Text = "Your favorite: ";
Label1.Text += RadioButtonList1.SelectedItem.Text.ToString();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>asp.net RequiredFieldValidator example: how to validate RadioButtonList</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2 style="color:Green">RadioButtonList Validation</h2>
<asp:Label
ID="Label1"
runat="server"
Font-Size="Large"
ForeColor="Crimson"
>
</asp:Label>
<br /><br />
<asp:Label
ID="Label2"
runat="server"
Text="Favorite"
Font-Bold="true"
ForeColor="DodgerBlue"
>
</asp:Label>
<asp:RadioButtonList
ID="RadioButtonList1"
runat="server"
RepeatColumns="3"
BackColor="DodgerBlue"
ForeColor="AliceBlue"
BorderColor="DarkBlue"
BorderWidth="2"
>
<asp:ListItem>CheckBoxList</asp:ListItem>
<asp:ListItem>TreeView</asp:ListItem>
<asp:ListItem>Button</asp:ListItem>
<asp:ListItem>SqlDataSource</asp:ListItem>
<asp:ListItem>GridView</asp:ListItem>
<asp:ListItem>Calendar</asp:ListItem>
<asp:ListItem>BulletedList</asp:ListItem>
</asp:RadioButtonList>
<asp:RequiredFieldValidator
ID="ReqiredFieldValidator1"
runat="server"
ControlToValidate="RadioButtonList1"
ErrorMessage="Select your favorite!"
>
</asp:RequiredFieldValidator>
<br />
<asp:Button
ID="Button1"
runat="server"
ForeColor="DodgerBlue"
Text="Submit Favorite"
OnClick="Button1_Click"
/>
</div>
</form>
</body>
</html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void Button1_Click(object sender, EventArgs e)
{
Label1.Text = "Your favorite: ";
Label1.Text += RadioButtonList1.SelectedItem.Text.ToString();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>asp.net RequiredFieldValidator example: how to validate RadioButtonList</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2 style="color:Green">RadioButtonList Validation</h2>
<asp:Label
ID="Label1"
runat="server"
Font-Size="Large"
ForeColor="Crimson"
>
</asp:Label>
<br /><br />
<asp:Label
ID="Label2"
runat="server"
Text="Favorite"
Font-Bold="true"
ForeColor="DodgerBlue"
>
</asp:Label>
<asp:RadioButtonList
ID="RadioButtonList1"
runat="server"
RepeatColumns="3"
BackColor="DodgerBlue"
ForeColor="AliceBlue"
BorderColor="DarkBlue"
BorderWidth="2"
>
<asp:ListItem>CheckBoxList</asp:ListItem>
<asp:ListItem>TreeView</asp:ListItem>
<asp:ListItem>Button</asp:ListItem>
<asp:ListItem>SqlDataSource</asp:ListItem>
<asp:ListItem>GridView</asp:ListItem>
<asp:ListItem>Calendar</asp:ListItem>
<asp:ListItem>BulletedList</asp:ListItem>
</asp:RadioButtonList>
<asp:RequiredFieldValidator
ID="ReqiredFieldValidator1"
runat="server"
ControlToValidate="RadioButtonList1"
ErrorMessage="Select your favorite!"
>
</asp:RequiredFieldValidator>
<br />
<asp:Button
ID="Button1"
runat="server"
ForeColor="DodgerBlue"
Text="Submit Favorite"
OnClick="Button1_Click"
/>
</div>
</form>
</body>
</html>
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