khfw_dh_list.aspx.cs

退书管理系统

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;

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

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        string sf=this.TextBox1.Text.ToString();
        string sql = "select   *   from   [thglkhfw]   where     1=1";
        if (sf.Trim()!=string.Empty)
        {
            sql = sql + "and sf like '%" + @sf + "%'";
        }
        SqlConnection conn1 = new SqlConnection((string)Application["connstr"]);
        conn1.Open();
        SqlDataAdapter adapter1 = new SqlDataAdapter(sql, conn1);
        adapter1.SelectCommand.Parameters.Add("@sf", SqlDbType.VarChar).Value = sf;
        DataSet ds1 = new DataSet();
        adapter1.Fill(ds1, "thglkhfw");
        this.DataGrid1.DataSource = ds1.Tables["thglkhfw"].DefaultView;
        this.DataGrid1.DataBind();
        conn1.Close();

        
    }
}