?using System;
using System.Data;
using System.Data.SqlClient;
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;

public partial class spwh : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            //默認顯示商品資料的第一頁
            bindgrig();
        }
        
    }

    void bindgrig()
    {
        SqlConnection Conn;

        // 設置數據庫連接
        String strConn = ConfigurationManager.AppSettings["conn"];
        Conn = new SqlConnection(strConn);

        //從數據庫取查詢結果
        SqlDataAdapter Cmd = new SqlDataAdapter("select 往來單位編號,往來單位名稱,地址,電話 from 往來單位  where 往來單位名稱 like '%" + this.TextBox1.Text + "%' order by 往來單位編號", Conn);

        DataSet Ds = new DataSet();
        Cmd.Fill(Ds, "往來單位資料");

        //指定數據源
        GridView1.DataSource = new DataView(Ds.Tables[0]);
        //數據綁定
        GridView1.DataBind();
    }

    protected void Button1_Click(object sender, EventArgs e)
    {
        //查詢符合條件商品，默認第一頁
        GridView1.PageIndex = 0;
        bindgrig();
    }
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        //改變顯示頁面
        GridView1.PageIndex = e.NewPageIndex;
        bindgrig();

    }
    protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
    {
        //設置行編輯狀態
        GridView1.EditIndex = e.NewEditIndex;
        bindgrig();

    }
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {

        //設置數據庫連接
        SqlConnection Conn;
        String strConn = ConfigurationManager.AppSettings["conn"];
        Conn = new SqlConnection(strConn);
        Conn.Open();
        
        //刪除行處理
        String sql = "delete from 往來單位 where 往來單位編號='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";

        SqlCommand Comm = new SqlCommand(sql, Conn);

        Comm.ExecuteNonQuery();
        Conn.Close();

        GridView1.EditIndex = -1;
        bindgrig();


    }
    protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
    {
        //設置數據庫連接
        SqlConnection Conn;
        String strConn = ConfigurationManager.AppSettings["conn"];
        Conn = new SqlConnection(strConn);
        Conn.Open();

        //提交行修改
        String sql = "update  往來單位 set 往來單位名稱='" + ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox1")).Text + "',地址='" + ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox3")).Text + "',電話='" + ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox4")).Text + "' where 往來單位編號='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";

        SqlCommand Comm = new SqlCommand(sql, Conn);

        Comm.ExecuteNonQuery();
        Conn.Close();

        GridView1.EditIndex = -1;
        bindgrig();
    }

    protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
    {
        //行編輯狀態取消
        GridView1.EditIndex = -1;
        bindgrig();

    }
}