建立SQL Server数据库连接实例

ADO.NET对数据库进行访问所用到的主要类：

Connection,DataSet,DataRow,DataColumn,DataRelation,Command,DataAdapter,DataReader,Parameter,Transaction

View Code

using System;
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;

using System.Data.SqlClient;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{

}
public void bindGridView()
{
string ConStr = System.Configuration.ConfigurationManager.AppSettings["strCon"];
SqlConnection con = new SqlConnection(ConStr);
string SqlStr = "select * from tb_sellInfo05";
SqlDataAdapter ada = new SqlDataAdapter(SqlStr, con);
con.Open();//打开数据库连接
DataSet ds = new DataSet();
ada.Fill(ds);
GrvInfo.DataSource = ds;
GrvInfo.DataBind();
con.Close();//关闭数据库连接
}
protected void GrvInfo_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
this.GrvInfo.PageIndex = e.NewPageIndex;
this.bindGridView();

}
protected void BtnOK_Click(object sender, EventArgs e)
{
try
{
this.bindGridView();
Response.Write("<script language=javascript>alert('恭喜您！SQL Server数据库连接成功！')</script>");
}
catch
{
Response.Write("<script language=javascript>alert('很遗憾！SQL Server数据库连接失败！')</script>");
}

}
}