您的位置：首页 > 移动开发 > Objective-C

使用非类型化的DataSet完成用户信息的增删改查操作

2011-10-13 20:43 465 查看

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

<!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></title>

</head>

<body>

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

    <div>



        <asp:GridView ID="GridView1" runat="server">

        </asp:GridView>

        <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>

<asp:Button ID="Button4" runat="server" Text="查找" onclick="Button4_Click" />

        <asp:Button ID="Button1" runat="server" Text="更改" onclick="Button1_Click" />

        <asp:Button ID="Button3" runat="server" Text="删除" onclick="Button3_Click" />

        <asp:Label ID="Label1" runat="server"></asp:Label>

        <br />





        name:

        <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox><br />

      price: <asp:TextBox ID="TextBox3" runat="server"></asp:TextBox><br />

       photoPath:<asp:TextBox ID="TextBox4" runat="server"></asp:TextBox>

<asp:Button ID="Button2" runat="server" Text="添加" onclick="Button2_Click" />

<br />

        <br />

        <br />



    </div>

    </form>

</body>

</html>

这是HTML页面的代码

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.Configuration;

using System.Data.SqlClient;

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

{

    protected void Page_Load(object sender, EventArgs e)

    {

    }

    protected void Button1_Click(object sender, EventArgs e)

    {

        DataSet ds = new DataSet();

        string strcnn = ConfigurationManager.ConnectionStrings["cnnstring"].ConnectionString;

        using (SqlConnection sqlCnn = new SqlConnection(strcnn))

        {

            SqlCommand sqlCmm = sqlCnn.CreateCommand();

            sqlCmm.CommandText = "Select * from pros";

            SqlDataAdapter sqlDA = new SqlDataAdapter(sqlCmm);

            sqlCnn.Open();

            sqlDA.Fill(ds);

            ds.Tables[0].Rows[0]["name"] = TextBox1.Text;

            SqlCommandBuilder builder = new SqlCommandBuilder(sqlDA);

            sqlDA.Update(ds);

            this.GridView1.DataSource = ds;

            this.GridView1.DataBind();

        }



    }

    protected void Button2_Click(object sender, EventArgs e)

    {

        DataSet ds1 = new DataSet();

        string strcnn = ConfigurationManager.ConnectionStrings["cnnstring"].ConnectionString;

        using (SqlConnection sqlCnn = new SqlConnection(strcnn))

        {

            SqlCommand sqlCmm = sqlCnn.CreateCommand();

            sqlCmm.CommandText = "Select * from pros";

            SqlDataAdapter sqlDA = new SqlDataAdapter(sqlCmm);

            sqlCnn.Open();

            sqlDA.Fill(ds1);

            DataRow dr = ds1.Tables[0].NewRow();

            dr["name"] = TextBox2.Text;

            dr["price"] = TextBox3.Text;

            dr["photoPath"] = TextBox4.Text;

            ds1.Tables[0].Rows.Add(dr);

            SqlCommandBuilder builder = new SqlCommandBuilder(sqlDA);

            sqlDA.Update(ds1);

            this.GridView1.DataSource = ds1;

            this.GridView1.DataBind();

        }



    }

    protected void Button3_Click(object sender, EventArgs e)

    {

         DataSet ds2 = new DataSet();

        string strcnn = ConfigurationManager.ConnectionStrings["cnnstring"].ConnectionString;

        using (SqlConnection sqlCnn = new SqlConnection(strcnn))

        {

            SqlCommand sqlCmm = sqlCnn.CreateCommand();

            sqlCmm.CommandText = "Select * from pros";

            SqlDataAdapter sqlDA = new SqlDataAdapter(sqlCmm);

            sqlCnn.Open();

            sqlDA.Fill(ds2);

            DataRow[] row = ds2.Tables[0].Select("name='"+TextBox1.Text+"'");

            foreach (var item in row)

            {

                item.Delete();

            }



            SqlCommandBuilder builder = new SqlCommandBuilder(sqlDA);

            sqlDA.Update(ds2);

            this.GridView1.DataSource = ds2;

        this.GridView1.DataBind();

        }



    }

    protected void Button4_Click(object sender, EventArgs e)

    {

        DataSet ds3 = new DataSet();

        string strcnn = ConfigurationManager.ConnectionStrings["cnnstring"].ConnectionString;

        using (SqlConnection sqlCnn = new SqlConnection(strcnn))

        {

            SqlCommand sqlCmm = sqlCnn.CreateCommand();

            sqlCmm.CommandText = "Select * from pros where name='"+TextBox1.Text+"'";

            SqlDataAdapter sqlDA = new SqlDataAdapter(sqlCmm);

            Response.Write(sqlDA.ToString());

            sqlCnn.Open();

            sqlDA.Fill(ds3);

            SqlCommandBuilder builder = new SqlCommandBuilder(sqlDA);

            sqlDA.Update(ds3);

            this.GridView1.DataSource = ds3;

            this.GridView1.DataBind();

        }

    }

}

这是.aspx的代码能够简实现增删改查

内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理

标签： dataset textbox button asp server object

相关文章推荐

新的分享

章节导航