search.aspx.cs

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using System;
using System.Collections;
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;
using System.Data.Sql;

public partial class search : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void Button1_Click(object sender, EventArgs e)
    {

        Image2.Visible = false;  //当点击问我来的时候图片控件为不可见
        string connstr = ConfigurationManager.ConnectionStrings["yutian66"].ConnectionString;//==连接数据库字符串==
        SqlConnection conn = new SqlConnection(connstr);  
        conn.Open();//打开数据库
        string sqlname = TextBox1.Text.Trim().ToString();//获取文本域内的值 
        SqlCommand cmd = new SqlCommand();//定义相关变量
        SqlDataAdapter da = new SqlDataAdapter();
        DataSet ds = new DataSet();
        SqlParameter para = new SqlParameter();//定义比较变量
        para.ParameterName = "@sqlname";
        para.Value = sqlname;
        cmd.Parameters.Add(para);
        //模糊查询数据库语句
        string sql = "select id,title as 名称,author as 作者,addtime as 发布时间,hits as 点击率 from paper where title like '%" + sqlname + "%' or content like '%" + sqlname + "%' or author=@sqlname";
        cmd.CommandText = sql;
        cmd.Connection = conn;
        da.SelectCommand = cmd;
        da.Fill(ds);
        //将需要的数据源赋给GridView控件
        GridView1.DataSource = ds.Tables[0].DefaultView;
        GridView1.DataBind();
        conn.Close();//关闭数据库

        
    }
}