wldwwh.aspx.cs

该程序是商品库存管理系统是B/s模式的 希望大家指教

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)
        {
            //默认显示商品资料的第一页
            bindgrig();
        }
        
    }

    void bindgrig()
    {
        SqlConnection Conn;

        // 设置数据库连接
        String strConn = ConfigurationManager.AppSettings["conn"];
        Conn = new SqlConnection(strConn);

        //从数据库取查询结果
        SqlDataAdapter Cmd = new SqlDataAdapter("select 往来单位编号,往来单位名称,地址,电话 from 往来单位  where 往来单位名称 like '%" + this.TextBox1.Text + "%' order by 往来单位编号", Conn);

        DataSet Ds = new DataSet();
        Cmd.Fill(Ds, "往来单位资料");

        //指定数据源
        GridView1.DataSource = new DataView(Ds.Tables[0]);
        //数据绑定
        GridView1.DataBind();
    }

    protected void Button1_Click(object sender, EventArgs e)
    {
        //查询符合条件商品，默认第一页
        GridView1.PageIndex = 0;
        bindgrig();
    }
    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        //改变显示页面
        GridView1.PageIndex = e.NewPageIndex;
        bindgrig();

    }
    protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
    {
        //设置行编辑状态
        GridView1.EditIndex = e.NewEditIndex;
        bindgrig();

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

        //设置数据库连接
        SqlConnection Conn;
        String strConn = ConfigurationManager.AppSettings["conn"];
        Conn = new SqlConnection(strConn);
        Conn.Open();
        
        //删除行处理
        String sql = "delete from 往来单位 where 往来单位编号='" + 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)
    {
        //设置数据库连接
        SqlConnection Conn;
        String strConn = ConfigurationManager.AppSettings["conn"];
        Conn = new SqlConnection(strConn);
        Conn.Open();

        //提交行修改
        String sql = "update  往来单位 set 往来单位名称='" + ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox1")).Text + "',地址='" + ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox3")).Text + "',电话='" + ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TextBox4")).Text + "' where 往来单位编号='" + 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)
    {
        //行编辑状态取消
        GridView1.EditIndex = -1;
        bindgrig();

    }
}