前臺代碼
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox ID="txtId" runat="server"></asp:TextBox>
<asp:TextBox ID="txtName" runat="server"></asp:TextBox>
<asp:TextBox ID="txtPassword" runat="server"></asp:TextBox>
<asp:Button ID="Button1" runat="server" Text="添加" οnclick="Button1_Click1" />
<asp:Button ID="btnedit" runat="server" οnclick="btnedit_Click" Text="保存" />
<br />
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False">
<Columns>
<asp:BoundField DataField="ID" HeaderText="編號" />
<asp:BoundField DataField="NAME" HeaderText="帳號" />
<asp:BoundField DataField="PASSWORD" HeaderText="密碼" />
<asp:TemplateField HeaderText="操作">
<ItemTemplate>
<asp:LinkButton ID="LinkButton2" runat="server" οnclick="LinkButton2_Click" CommandArgument='<%#Eval("ID") %>'>刪除</asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="操作">
<ItemTemplate>
<asp:LinkButton ID="ledelete" runat="server" CommandArgument='<%#Eval("ID") %>' οnclick="ledelete_Click">編輯</asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
</form>
</body>
</html>
後臺代碼
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Configuration;
using System.Data.OracleClient;
using System.Data;
using System.Text;
namespace Orcale連接數據庫
{
public partial class WebForm1 : System.Web.UI.Page
{
string constr = ConfigurationManager.ConnectionStrings["constr"].ConnectionString;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
DataLoad();
}
}
private void DataLoad()
{
OracleConnection conn = new OracleConnection(constr);
OracleCommand cmd = conn.CreateCommand();
conn.Open();
cmd.CommandText = "select * from T_USER order by ID";
OracleDataAdapter adapter = new OracleDataAdapter(cmd);
DataTable dt = new DataTable();
adapter.Fill(dt);
cmd.Dispose();
conn.Dispose();
GridView1.DataSource = dt;
GridView1.DataBind();
}
protected void Button1_Click1(object sender, EventArgs e)
{
OracleConnection conn = new OracleConnection(constr);
OracleCommand cmd = conn.CreateCommand();
conn.Open();
cmd.CommandText = "insert into T_USER values(:id,:name,:password)";
cmd.Parameters.AddWithValue(":id",txtId.Text);
cmd.Parameters.AddWithValue(":name", txtName.Text);
cmd.Parameters.AddWithValue(":password",txtPassword.Text);
cmd.ExecuteNonQuery();
txtId.Text = null;
txtName.Text = null;
txtPassword.Text = null;
DataLoad();
}
protected void LinkButton2_Click(object sender, EventArgs e)
{
LinkButton btndelete = sender as LinkButton;
OracleConnection conn = new OracleConnection(constr);
OracleCommand cmd = conn.CreateCommand();
conn.Open();
cmd.CommandText = "delete from T_USER where ID=:id";
cmd.Parameters.AddWithValue(":id", btndelete.CommandArgument);
if (cmd.ExecuteNonQuery() > 0)
{
DataLoad();
}
}
//編輯
protected void ledelete_Click(object sender, EventArgs e)
{
txtId.Enabled = false;
LinkButton btnedit = sender as LinkButton;
OracleConnection conn = new OracleConnection(constr);
OracleCommand cmd = conn.CreateCommand();
conn.Open();
cmd.CommandText = "select ID,NAME,PASSWORD from T_USER where ID=:id";
cmd.Parameters.AddWithValue(":id", Convert.ToInt32(btnedit.CommandArgument));
OracleDataAdapter adapter = new OracleDataAdapter(cmd);
DataTable dt = new DataTable();
adapter.Fill(dt);
cmd.Dispose();
conn.Dispose();
txtId.Text = dt.Rows[0]["ID"].ToString();
txtName.Text = dt.Rows[0]["NAME"].ToString();
txtPassword.Text = dt.Rows[0]["PASSWORD"].ToString();
}
protected void btnedit_Click(object sender, EventArgs e)
{
OracleConnection conn = new OracleConnection(constr);
OracleCommand cmd = conn.CreateCommand();
conn.Open();
cmd.CommandText = "update T_USER set ID=:id,NAME=:name,PASSWORD=:password where ID="+txtId.Text+"";
cmd.Parameters.AddWithValue(":id", txtId.Text);
cmd.Parameters.AddWithValue(":name", txtName.Text);
cmd.Parameters.AddWithValue(":password", txtPassword.Text);
cmd.ExecuteNonQuery();
txtId.Text = null;
txtName.Text = null;
txtPassword.Text = null;
DataLoad();
}
}
}
Web.config鏈接數據庫字符串
<connectionStrings>
<add name="constr" connectionString="Data Source=orclzhs;Persist Security Info=True;User ID=zhs;Password=zhs;Unicode=True" providerName="System.Data.OracleClient"/>
</connectionStrings>
