stuserproduct.aspx.cs

连锁配送中心系统

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;
using System.Configuration;

namespace STcontract.User
{
	/// <summary>
	/// UserProduct 的摘要说明。
	/// </summary>
	public class UserProduct : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DataGrid STmyGrid;
		SqlConnection STconn;
		private string STmysql;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if(Session["STNickName"] != null)
			{
				//获得数据库连接字符串
				string STconnection = ConfigurationSettings.AppSettings["strconnection"];
				//创建数据库连接
				STconn = new SqlConnection(STconnection);
				if(!IsPostBack)
				{
					//自定义ST_DgBind()方法，加载自己连锁店产品的信息
					BindGrid();
					STconn.Open();
					string STNickName = Session["STNickName"].ToString();
					STmysql = "select STProDe.ID,STProDe.STProdID,STProDe.STProdName,STProDe.STProdPrice,STProDe.STProdBZ,STProDe.STProdSH,STProDe.STProdInfo from STProDe,STUser where STProDe.STDepID = STUser.STDepID and STUser.STNickName = '" + STNickName + "'";
					//创建数据库SqlCommand对象
					SqlCommand STcmd = new SqlCommand(STmysql,STconn);
					SqlDataReader STsdr = STcmd.ExecuteReader();
					if(STsdr.Read())
					{
						//将获取的ID保存到会话中
						Session["ID"] = STsdr["ID"];
					}
					STconn.Close();
				}
			}
			else
			{
				Response.Redirect("../Index.aspx");
			}

			
		}



		public void BindGrid()
		{
			string STNickName = Session["STNickName"].ToString();
			//创建查询指定连锁店产品信息的sql语句
			STmysql = "select STProDe.ID,STProDe.STProdID,STProDe.STProdName,STProDe.STProdPrice,STProDe.STProdBZ,STProDe.STProdSH,STProDe.STProdInfo from STProDe,STUser where STProDe.STDepID = STUser.STDepID and STUser.STNickName = '" + STNickName + "'";
			//创建SqlDataAdapter的实例
			SqlDataAdapter STsda=new SqlDataAdapter(STmysql,STconn);
			//创建DataSet的实例
			DataSet STds=new DataSet();
			//将信息填充到DataSet
			STsda.Fill(STds);
			//将信息绑定到DataGrid
			STmyGrid.DataSource = STds;
			STmyGrid.DataBind();


		}

		//处理分页
		public void STmyGrid_Page(object sender,DataGridPageChangedEventArgs e)
		{
			//获取DataGrid的当前显示页的索引
			STmyGrid.CurrentPageIndex=e.NewPageIndex;
			BindGrid();
		}
		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion


		public void dgItem(object source, DataGridCommandEventArgs e)
		{
			//获取要编辑的ID号
			int ID = int.Parse(e.Item.Cells[0].Text);
			//点击编辑按钮所触发的事件
			if(e.CommandName=="edit")
			{
				//弹出用于编辑的窗口
				Response.Write("<script language='javascript' defer>ret = window.showModalDialog('STAddProduct.aspx?Action=edit&id="+ID+"',window,'dialogHeight:250px;dialogWidth:600px;center:Yes;Help:No;Resizable:No;Scroll:auto;Status:no;');</script>");	
			}
			//点击删除所触发的事件
			if(e.CommandName=="delete")
			{
				//自定义delete()，删除指定ID的信息
				delete();
			}
			BindGrid();
		}

		private void STmyGrid_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
		{
		
		}

		//加载delete()
		public void delete()
		{
			//获取需要删除的信息的id号
			string ID = Session["ID"].ToString();
			//创建删除指定id的产品信息的sql语句
			string STstrsql = "delete from STProDe  where ID = @ID";
			SqlCommand STcmd = new SqlCommand(STstrsql,STconn);
			STcmd.Parameters.Add(new SqlParameter("@ID",SqlDbType.Int,4));
			STcmd.Parameters["@ID"].Value = ID;
			STcmd.Connection.Open();
			try
			{
				STcmd.ExecuteNonQuery();
			}
			catch(SqlException)
			{
			
			}
			STmysql = "select STProDe.ID,STProd.* from STProDe,STProd,STDep where STProDe.STDepID = STDep.STDepID and STProDe.STProdID = STProd.STProdID";
			STcmd.Connection.Close();			
			Response.Redirect("STUserProduct.aspx");
		}


	}
}