C#, ASP.NET 방명록 소스예제(C#,ASP.NET,닷넷 교육,구로디지털단지)
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.OleDb;
using System.Configuration;
namespace Visit
{
public partial class _Default : System.Web.UI.Page
{
OleDbConnection conn;
string ConStr = "Provider=MSDAORA;data source=ONJ;User ID=scott;Password=tiger";
protected void Page_Load(object sender, EventArgs e)
{
// 페이지 맨 처음 실행 되었을 때 작용
if (!Page.IsPostBack)
{
VisitorGrid_Bind();
}
}
//저장
protected void btnSave_Click(object sender, EventArgs e)
{
try
{
if (IsSave())
{
conn = new OleDbConnection(ConStr);
conn.Open();
string sql = "insert into VisitorTable (VisitorNo,VisitorName,VisitorEmail,VisitorContent,VisitorDate) values (";
sql += "seq_visitor.nextval" + ",";
sql += "'" + txtName.Text + "'" + ",";
sql += "'" + txtEmail.Text + "'" + ",";
sql += "'" + txtContent.Text + "'" + ",";
sql += "sysdate)";
OleDbCommand myCommand = new OleDbCommand(sql);
myCommand.Connection = conn;
myCommand.ExecuteNonQuery();
conn.Close();
txtName.Text = "";
txtEmail.Text = "";
txtContent.Text = "";
VisitorGrid.PageIndex = 0;
VisitorGrid_Bind();
}
else
{
txtName.Text = "";
txtEmail.Text = "";
txtContent.Text = "";
VisitorGrid.PageIndex = 0;
VisitorGrid_Bind();
}
}
catch (Exception ex)
{
txtContent.Text = ex.ToString();
}
}
// 이미 데이타베이스 들어간 값을 가져와서 그리드에 바인딩
protected void VisitorGrid_Bind()
{
OleDbDataAdapter adapter = null;
OleDbConnection conn;
conn = new OleDbConnection(ConStr);
conn.Open();
string sqlc = "select * from VisitorTable ORDER BY VisitorNo DESC";
adapter = new OleDbDataAdapter(sqlc, conn);
DataSet ds = new DataSet();
adapter.Fill(ds);
VisitorGrid.DataSource = ds;
VisitorGrid.DataBind();
conn.Close();
}
//저장여부를 체크
protected bool IsSave()
{
if (Request.Cookies["VisitorName"] == null)
{
Response.Cookies["VisitorName"].Value = txtName.Text;
Response.Cookies["VisitorEmail"].Value = txtEmail.Text;
Response.Cookies["VisitorContent"].Value = txtContent.Text;
return true;
}
else if ((Request.Cookies["VisitorName"].Value == txtName.Text) && (Request.Cookies["VisitorEmail"].Value == txtEmail.Text) && (Request.Cookies["VisitorContent"].Value == txtContent.Text))
{
return false;
}
else
{
Response.Cookies["VisitorName"].Value = txtName.Text;
Response.Cookies["VisitorEmail"].Value = txtEmail.Text;
Response.Cookies["VisitorContent"].Value = txtContent.Text;
return true;
}
}
//페이징 처리
protected void VisitorGrid_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
VisitorGrid.PageIndex = e.NewPageIndex;
VisitorGrid_Bind();
}
}
}
<%@ Page Title="홈 페이지" Language="C#" AutoEventWireup="true"
CodeBehind="Default.aspx.cs" Inherits="Visit._Default" %>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title></title>
<style type="text/css">
.style1
{
width: 66px;
}
.style2
{
}
.style3
{
width: 54px;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div>
방명록
<br />
<br />
<table border="1" cellpadding="0" cellspacing="0"
style="width: 100%; height: 52px;">
<tr>
<td bgcolor="#669999" class="style1">
이름 </td>
<td class="style2">
<asp:TextBox ID="txtName" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
ControlToValidate="txtName" Display="None" ErrorMessage="이름"></asp:RequiredFieldValidator>
</td>
<td bgcolor="#669999" class="style3">
이메일 </td>
<td>
<asp:TextBox ID="txtEmail" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server"
ControlToValidate="txtEmail" Display="None" ErrorMessage="이메일"></asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td bgcolor="#669999" class="style1">
내용
</td>
<td class="style2" colspan="3">
<asp:TextBox ID="txtContent" runat="server" Height="138px" TextMode="MultiLine"
Width="512px"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server"
ControlToValidate="txtContent" Display="None" ErrorMessage="내용"></asp:RequiredFieldValidator>
</td>
</tr>
</table>
<br />
<asp:Button ID="btnSave" runat="server" Text="저장" onclick="btnSave_Click" />
<br />
<br />
<asp:ValidationSummary ID="ValidationSummary1" runat="server"
ShowMessageBox="True" ShowSummary="False" />
<br />
<asp:GridView ID="VisitorGrid" runat="server" AutoGenerateColumns="False"
CellPadding="4" ForeColor="#333333" GridLines="None" Width="656px"
onpageindexchanging="VisitorGrid_PageIndexChanging">
<AlternatingRowStyle BackColor="White" />
<EditRowStyle BackColor="#7C6F57" />
<FooterStyle BackColor="#1C5E55" Font-Bold="True" ForeColor="White" />
<HeaderStyle BackColor="#1C5E55" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#666666" ForeColor="White" HorizontalAlign="Center" />
<RowStyle BackColor="#E3EAEB" />
<SelectedRowStyle BackColor="#C5BBAF" Font-Bold="True" ForeColor="#333333" />
<SortedAscendingCellStyle BackColor="#F8FAFA" />
<SortedAscendingHeaderStyle BackColor="#246B61" />
<SortedDescendingCellStyle BackColor="#D4DFE1" />
<SortedDescendingHeaderStyle BackColor="#15524A" />
<Columns>
<asp:boundField headerText="글번호" dataField="VisitorNo"/>
<asp:boundField headerText="방문자 이름" dataField="VisitorName"/>
<asp:boundField headerText="이메일" dataField="VisitorEmail"/>
<asp:boundField headerText="글내용" dataField="VisitorContent"/>
<asp:boundField headerText="작성일" dataField="VisitorDate"/>
</Columns>
</asp:GridView>
<br />
<br />
<br />
</div>
</form>
</body>
</html>
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