в 15:30, 26 мая 2010

2010-05-26T15:30:57Z

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2010-05-26T12:00:37Z

1 версия

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== Set border style dynamically (C#)==



<source lang="csharp">
File: Default.aspx
<%@ Page language="c#" Inherits="GreetingCardMaker" CodeFile="Default.aspx.cs" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Greeting Card Maker</title>
</head>
<body>
<form runat="server">
<div>
<div >Choose a background color:<br />
<asp:dropdownlist ID="lstBackColor"
runat="server"
Height="22px"
Width="194px"></asp:dropdownlist>
<br /><br />
Choose a font:<br />
<asp:dropdownlist ID="lstFontName"
runat="server"
Height="22px"
Width="194px"></asp:dropdownlist>
<br /><br />

Specify a numeric font size:<br />
<asp:textbox ID="txtFontSize" runat="server"></asp:textbox>
<br /><br />
Choose a border style:<br />
<asp:radiobuttonlist ID="lstBorder"
runat="server"
Height="59px"
Width="177px"
Font-Size="X-Small"></asp:radiobuttonlist>
<br /><br />
<asp:checkbox ID="chkPicture"
runat="server"
Text="Add the Default Picture"></asp:checkbox>
<br /><br />
Enter the greeting text below:<br />
<asp:textbox ID="txtGreeting"
runat="server"
Height="85px"
Width="240px"
TextMode="MultiLine"></asp:textbox>
<br /><br />
<asp:button ID="cmdUpdate"
runat="server"
Height="24px"
Width="71px"
Text="Update"
onclick="cmdUpdate_Click"></asp:button>
</div>
<asp:panel ID="pnlCard" runat="server"
Height="507px" Width="339px"
HorizontalAlign="Center"><br /> 
<asp:Label ID="lblGreeting"
runat="server"
Height="150px"
Width="256px"></asp:Label>
<br /><br /><br />
<asp:Image ID="imgDefault"
runat="server"
Height="160px"
Width="212px"
Visible="False"></asp:Image>
</asp:panel>
</div>
</form>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Collections;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

public partial class GreetingCardMaker : System.Web.UI.Page
{
protected void Page_Load(object sender, System.EventArgs e)
{
if (this.IsPostBack == false)
{
lstBackColor.Items.Add("White");
lstBackColor.Items.Add("Red");
lstBackColor.Items.Add("Green");
lstBackColor.Items.Add("Blue");
lstBackColor.Items.Add("Yellow");
lstFontName.Items.Add("Times New Roman");
lstFontName.Items.Add("Arial");
lstFontName.Items.Add("Verdana");
lstFontName.Items.Add("Tahoma");
ListItem item = new ListItem();
item.Text = BorderStyle.None.ToString();
item.Value = ((int)BorderStyle.None).ToString();
lstBorder.Items.Add(item);
item = new ListItem();
item.Text = BorderStyle.Double.ToString();
item.Value = ((int)BorderStyle.Double).ToString();
lstBorder.Items.Add(item);
item = new ListItem();
item.Text = BorderStyle.Solid.ToString();
item.Value = ((int)BorderStyle.Solid).ToString();
lstBorder.Items.Add(item);

lstBorder.SelectedIndex = 0;
imgDefault.ImageUrl = "default.png";
}
}
protected void cmdUpdate_Click(object sender, System.EventArgs e)
{
pnlCard.BackColor = Color.FromName(lstBackColor.SelectedItem.Text);
lblGreeting.Font.Name = lstFontName.SelectedItem.Text;
try
{
if (Int32.Parse(txtFontSize.Text) > 0)
{
lblGreeting.Font.Size = FontUnit.Point(Int32.Parse(txtFontSize.Text));
}
}catch {
}
pnlCard.BorderStyle = (BorderStyle)Int32.Parse(lstBorder.SelectedItem.Value);
if (chkPicture.Checked == true)
{
imgDefault.Visible = true;
}else {
imgDefault.Visible = false;
}
lblGreeting.Text = txtGreeting.Text;
}
}</source>

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

в 15:30, 26 мая 2010

Admin: 1 версия