webusercontrol2.ascx.cs

visual stdio 2005

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.OleDb;

public partial class WebUserControl2 : System.Web.UI.UserControl
{
    OleDbConnection Conn;
    protected void Page_Load(object sender, EventArgs e)
    {
        String Provider, DataBase, ConnStr, SQL;

        Provider = "Microsoft.Jet.OLEDB.4.0;";
        DataBase = Server.MapPath("~/BDB/BookStore.mdb");
        ConnStr = "Provider=" + Provider + "Data Source=" + DataBase;

        Conn = new OleDbConnection(ConnStr);
        if (!IsPostBack) BindGrid();

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        String strSQL = "insert into userinfo values ('"
       + TextBox1.Text + "','"
       + TextBox2.Text + "','" + TextBox3.Text + "','" + TextBox4.Text + "','" + TextBox5.Text + "','" + TextBox6.Text + "','" + TextBox7.Text + "','" + TextBox8.Text + "','" + TextBox9.Text + "')";
        OleDbCommand Comm = new OleDbCommand(strSQL, Conn);

        Conn.Open();

        try
        {
            Comm.ExecuteNonQuery();
            Response.Write("<script>alert('用户信息添加成功');</script>");
            TextBox1.Text = "";
            TextBox2.Text = "";
            TextBox3.Text = "";
            TextBox4.Text = "";
            TextBox5.Text = "";
            TextBox6.Text = "";
            TextBox7.Text = "";
            TextBox8.Text = "";
            TextBox9.Text = "";

        }
        catch (OleDbException)
        {
            Response.Write("<script>alert('添加失败');</script>");  
        }

        Conn.Close();

        BindGrid();

    }

    public void BindGrid()
    {

        OleDbDataAdapter da = new OleDbDataAdapter("select * from userinfo ", Conn);

        DataSet ds = new DataSet();

        da.Fill(ds);

        //GridView1.DataSource = ds;
        //GridView1.DataBind();
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        TextBox1.Text = "";
        TextBox2.Text="";
        TextBox3.Text = "";
        TextBox4.Text = "";
        TextBox5.Text = "";
        TextBox6.Text = "";
        TextBox7.Text = "";
        TextBox8.Text = "";
        TextBox9.Text = "";
    }
}