OATest/UserWork/Address.aspx.cs

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

        if (Session["UserName"] == null)
        {
            Response.Write("<script>alert('请先登录!');window.location.href='../Login.aspx'</script>");
        }
        else
        {
            if (!IsPostBack)
            {
                SqlConnection con = new SqlConnection(ConfigurationManager.AppSettings["Connection"]);
                con.Open();
                string sql = "select * from Branch";
                SqlCommand com = new SqlCommand(sql, con);
                SqlDataReader dr = com.ExecuteReader();
                while (dr.Read())
                {
                    DropDownList1.Items.Add(new ListItem(dr["Branch"].ToString(), dr["Dutyid"].ToString()));
                }
                DropDownList1.Items.Insert(0, "全部");
                con.Close();
            }
        }
        Bind();
    }
    public void Bind()
    {
        SqlConnection con = new SqlConnection(ConfigurationManager.AppSettings["Connection"]);
        con.Open();

        string sql = "select * from Employee";
        SqlDataAdapter da = new SqlDataAdapter(sql, con);
        DataSet ds = new DataSet();
        da.Fill(ds);
        GridView1.DataSource = ds;
        GridView1.DataBind();
        this.Label1.Text = "共" + ds.Tables[0].Rows.Count + "条记录";
        con.Close();
    }
    protected void cmdAdd_Click(object sender, EventArgs e)
    {

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