в 15:30, 26 мая 2010

2010-05-26T15:30:57Z

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2010-05-26T12:00:49Z

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== A combination of bullet-list and radio-button list controls==



<source lang="csharp">
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs"
Inherits="Data" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Bullets & Radios</title>
</head>
<body>
<div id="pageContent">
<form id="form1" runat="server">
<asp:RadioButtonList ID="BulletOptions" runat="server" AutoPostBack="True"
OnSelectedIndexChanged="BulletOptions_SelectedIndexChanged"
RepeatColumns="3"
RepeatDirection="Horizontal" />
<hr />
<asp:BulletedList ID="BulletedList1" runat="server"
BulletImageUrl="/core35/images/bullet.gif" />
</form>
</div>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class Data : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
FillOptions();
FillCountries();
}
}
protected void FillOptions()
{
BulletOptions.DataSource = Enum.GetValues(typeof(BulletStyle));
BulletOptions.SelectedIndex = 0;
BulletOptions.DataBind();
}
protected void FillCountries()
{
string connString = ConfigurationManager.ConnectionStrings["NorthwindConnectionString"].ConnectionString;
string cmdText = "SELECT DISTINCT country FROM customers";
DataTable data = new DataTable();
SqlDataAdapter adapter = new SqlDataAdapter(cmdText, connString);
adapter.Fill(data);
BulletedList1.DataSource = data;
BulletedList1.DataTextField = "country";
BulletedList1.DataBind();
}
protected void BulletOptions_SelectedIndexChanged(object sender, EventArgs e)
{
BulletStyle style = (BulletStyle) Enum.Parse(typeof(BulletStyle), BulletOptions.SelectedValue);
BulletedList1.BulletStyle = style;
}
}</source>

== Data binding with the RadioButtonList Control==



<source lang="csharp">
<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<script runat="server">
protected void btnSubmit_Click(object sender, EventArgs e)
{
lblProduct.Text = rblProducts.SelectedItem.Text;
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>Show RadioButtonList</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:RadioButtonList
id="rblProducts"
DataSourceID="srcProducts"
DataTextField="Title"
DataValueField="Id"
RepeatColumns="3"
Runat="server" />
<asp:Button
id="btnSubmit"
Text="Submit"
Runat="server" OnClick="btnSubmit_Click" />
<hr />
<asp:Label
id="lblProduct"
Runat="server" />
<asp:SqlDataSource
id="srcProducts"
SelectCommand="SELECT Id, Title FROM Products"
ConnectionString="<%$ ConnectionStrings:Products %>"
Runat="server" />
</div>
</form>
</body>
</html>

File: Web.config
<configuration>
<connectionStrings>
<add name="Products"
connectionString="Data Source=.\SQLEXPRESS;
AttachDbFilename=|DataDirectory|MyDatabase.mdf;Integrated Security=True;User Instance=True" />
</connectionStrings>
</configuration>
Three properties that have an effect on its layout:
RepeatColumns: The number of columns of radio buttons to display.
RepeatDirection: The direction that the radio buttons are repeated.
Possible values are Horizontal and Vertical.
RepeatLayout: Determines whether the radio buttons are displayed in an HTML table.
Possible values are Table and Flow.</source>

== Get selected item index from asp:RadioButtonList (VB.net)==



<source lang="csharp">
<%@ Page Language="VB" %>
<script runat="server">
sub Submit(Sender as Object, e as EventArgs)
dim strIncome as string = lbIncome.SelectedItem.Text
dim strAge as string = rlAge.SelectedItem.Text

lblMessage.Text = "Hello " & tbName.Text & "!" & _
"Your income is: " & strIncome & "<br>" & _
"Your age is: " & strAge & "<br>"

if rlAge.SelectedIndex < 3 then
lblMessage.Text += "You"re a young one!"
else
lblMessage.Text += "You"re a wise one!"
end if

if cbNewsletter.Checked then
lblMessage.Text += "You will be receiving our" & _
" newsletter shortly."
end if
end sub
</script>
<html><body>
<form runat="server">
<asp:Label id="lblMessage" runat="server" />

Enter your name:
<asp:TextBox id="tbName" runat="server" />

Choose your age:<br>
<asp:RadioButtonList id="rlAge" runat="server"
RepeatDirection="horizontal">
<asp:ListItem><18</asp:ListItem>
<asp:ListItem>19-24</asp:ListItem>
<asp:ListItem>25-34</asp:ListItem>
<asp:ListItem>35-49</asp:ListItem>
<asp:ListItem>50-65</asp:ListItem>
</asp:RadioButtonList>

Choose your income:<br>
<asp:ListBox id="lbIncome" runat="server"
size=1>
<asp:ListItem>< $9</asp:ListItem>
<asp:ListItem>$10-$99</asp:ListItem>
<asp:ListItem>$100-$499</asp:ListItem>
<asp:ListItem>> $500</asp:ListItem>
</asp:ListBox>

Do you want to receive our newsletter?<br>
<asp:Checkbox id="cbNewsletter" runat="server"
Text="Yes!" />

<asp:Button id="btSubmit" runat="server"
Text="Submit" OnClick="Submit" />
</form>
</body></html></source>

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ASP.NET Tutorial/ASP.net Controls/RadioButtonList - История изменений

в 15:30, 26 мая 2010

Admin: 1 версия