Web in Visual Studio connect to SQL server-优快云博客

基础配置 http://blog.youkuaiyun.com/kof820/article/details/7040964

连接案例 http://jingyan.baidu.com/article/3ea51489e562bb52e61bbab0.html

1. 新建数据库

　　数据库School 表Student

2. Visual Studio

New -- > Web ---> ASP.NET Empty Web

　　Tools---> Connect to database

　　Test Connection ---> OK

　　Copy to the code

　　Code:

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.SqlClient;

public partial class SQLTest : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
　　　　 //Paste Here!!!
        string strSQLConnect = "Data Source=MIRROR\\MIRRORSQLSERVER;Initial Catalog=School;User ID=sa;Password=****";
        SqlConnection mySqlConnection = new SqlConnection(strSQLConnect);

        using (mySqlConnection)
        {
            mySqlConnection.Open();

            Label1.Text = "<b>mySqlConnection/ConnectionString:<b>" + mySqlConnection.ConnectionString + "<br>";
            Label1.Text += "<b>mySqlConnection/ConnectionTimeout:<b>" + mySqlConnection.ConnectionTimeout + "<br>";
            Label1.Text += "<b>mySqlConnection/Database:<b>" + mySqlConnection.Database + "<br>";
            Label1.Text += "<b>mySqlConnection/DataSource:<b>" + mySqlConnection.DataSource + "<br>";
            Label1.Text += "<b>mySqlConnection/PacketSize:<b>" + mySqlConnection.PacketSize + "<br>";
            Label1.Text += "<b>mySqlConnection/ServerVersion:<b>" + mySqlConnection.ServerVersion + "<br>";
            Label1.Text += "<b>mySqlConnection/State:<b>" + mySqlConnection.State + "<br>";

　　　　　　　　string ss = String.Format("Insert into Student(SName,Phone,Address)values('{0}','{1}','{2}')", "Angela", "1234567890", "Chengdu");
　　　　　　　　SqlCommand myAddCommand = new SqlCommand(ss, mySqlConnection);
　　　　　　　　myAddCommand.ExecuteNonQuery();

　　　　　　　　//SqlCommand myAddCommand = new SqlCommand("Insert into Student(SName,Phone,Address)values('Angela','12345678900','Chengdu')",mySqlConnection);

　　　　　　　　//myAddCommand.ExecuteNonQuery();



            SqlCommand myReadCommand = new SqlCommand("Select * from Student",mySqlConnection);
            SqlDataReader myReader = myReadCommand.ExecuteReader();

            //FieldCount: get the number of columns in the current row
            for (int i = 0; i < myReader.FieldCount; i++)
            {
                Label2.Text += myReader.GetName(i) + "<br>";
            }

            while (myReader.Read())
            {
                for (int j = 0; j < myReader.FieldCount; j++)
                {
                    Label3.Text += myReader[j].ToString();
                }
            }
        }
        //out of the using{} is the state of Connection closed.
        Label4.Text = mySqlConnection.State.ToString();
    }
}