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A simple BBS demo including(CRUD) - 6

2009-01-13 23:45 155 查看

9. Create a webform named "Update" in the website.

Update.aspx

==========

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Update.aspx.cs" Inherits="Update" %>

<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head runat="server">

<title>Update</title>

</head>

<body>

<form id="form1" runat="server">

<div>

<table>

<tr>

<td>Title: </td>

<td><asp:TextBox ID="txtTitle" runat="server" Width="327px"></asp:TextBox>

<asp:RequiredFieldValidator ID="RfvTxtTitle" runat="server"

ControlToValidate="txtTitle" ErrorMessage="*"></asp:RequiredFieldValidator></td>

</tr>

<tr>

<td>Writer: </td>

<td>

<asp:TextBox ID="txtWriter" Width="327px" runat="server"></asp:TextBox>

<asp:RequiredFieldValidator ID="RfvTxtWriter" runat="server"

ControlToValidate="txtWriter" ErrorMessage="*"></asp:RequiredFieldValidator>

</td>

</tr>

<tr>

<td>Content: </td>

<td><asp:TextBox ID="txtContent" runat="server" Height="227px" TextMode="MultiLine"

Width="327px"></asp:TextBox>

<asp:RequiredFieldValidator ID="RfvTxtContent" runat="server"

ControlToValidate="txtContent" ErrorMessage="*"></asp:RequiredFieldValidator>

</td>

</tr>

<tr>

<td colspan="2"><asp:Label ID="lblMsg" runat="server" Visible="false" ForeColor="Red"></asp:Label></td>

</tr>

</table>

<p>

<asp:Button ID="btnUpdate" Text="Update" runat="server"

onclick="btnUpdate_Click" />

<asp:Button ID="btnCancel" Text="Cancel" runat="server"

onclick="btnCancel_Click" />

<asp:ScriptManager ID="ScriptManager1" runat="server">

</asp:ScriptManager>

<cc1:ConfirmButtonExtender ID="ConfirmButtonExtender1" ConfirmText="Do you really wanna update it?" TargetControlID="btnUpdate" runat="server">

</cc1:ConfirmButtonExtender>

</p>

</div>

</form>

</body>

</html>

===========================================================================================

Update.aspx.cs

============

using System;

using System.Collections;

using System.Configuration;

using System.Data;

using System.Linq;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.HtmlControls;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Xml.Linq;

public partial class Update : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

int id = Convert.ToInt32(Request.Params["ID"]);

BLL bbs = new DAL().GetDataByID(id);

txtTitle.Text = bbs.Title;

txtWriter.Text = bbs.Writer;

txtContent.Text = bbs.Content;

}

}

protected void btnUpdate_Click(object sender, EventArgs e)

{

int id = Convert.ToInt32(Request.Params["ID"]);

BLL bbs = new BLL();

bbs.Title = txtTitle.Text;

bbs.Writer = txtWriter.Text;

bbs.Content = txtContent.Text;

try

{

new DAL().UpdateDataByID(bbs, id);

}

catch (Exception ex)

{

lblMsg.Visible = true;

lblMsg.Text = "최대 3000자 까지 입력 가능합니다.";

}

Response.Redirect("List.aspx");

}

protected void btnCancel_Click(object sender, EventArgs e)

{

Response.Redirect("Read.aspx?ID="+Convert.ToInt32(Request.Params["ID"]));

}

}

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