s_stockmanger.aspx.cs

asp.net+sql2000超市管理系统

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 Supermart
{
	/// <summary>
	/// S_stockManger 的摘要说明。
	/// </summary>
	public class S_stockManger : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Image Image4;
		protected System.Web.UI.WebControls.Image Image1;
		protected System.Web.UI.WebControls.DropDownList ddl_mertype;
		protected System.Web.UI.WebControls.Image Image2;
		protected System.Web.UI.WebControls.Image Image5;
		protected System.Web.UI.WebControls.DataGrid depotManger;
		private string strConn=System.Configuration.ConfigurationSettings.AppSettings["SQLCONNECTION"];
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if(!this.IsPostBack)
			{
				Bindddl_mertype();
				Bind_depotlist();
			}
			// 在此处放置用户代码以初始化页面
		}

		#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.ddl_mertype.SelectedIndexChanged += new System.EventHandler(this.ddl_mertype_SelectedIndexChanged);
			this.depotManger.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.depotManger_PageIndexChanged);
			this.depotManger.CancelCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.depotManger_CancelCommand);
			this.depotManger.EditCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.pricelist_EditCommand);
			this.depotManger.UpdateCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.depotManger_UpdateCommand);
			this.depotManger.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.depotManger_ItemDataBound);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
		public void Bindddl_mertype()
		{
			SqlConnection con=new SqlConnection(strConn);
			con.Open();
			SqlCommand cmd=new SqlCommand("select * from type",con);
			SqlDataReader sdr=cmd.ExecuteReader();
			this.ddl_mertype.DataSource=sdr;
			this.ddl_mertype.DataTextField="typeName";
			this.ddl_mertype.DataValueField="typeID";
			this.ddl_mertype.DataBind();
			con.Close();
			sdr.Close();
		}

		private void pricelist_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			this.depotManger.EditItemIndex=e.Item.ItemIndex;
			this.Bind_depotlist();
		}
		public void Bind_depotlist()
		{
			SqlConnection con=new SqlConnection(strConn);
			con.Open();
			SqlDataAdapter sda=new SqlDataAdapter();
			sda.SelectCommand=new SqlCommand("select merchandise.merID,merchandise.merName,type.typeName,merchandise.merBit,merchandise.stock,merchandise.cost,depot.depotName from merchandise,depot,type where merchandise.depotID=depot.depotID and merchandise.typeID=type.typeID and type.typeName='"+this.ddl_mertype.SelectedItem.Text+"'",con);
			DataSet ds=new DataSet();
			sda.Fill(ds,"title");
			sda.Dispose();
			this.depotManger.DataKeyField="merID";
			this.depotManger.DataSource=ds.Tables["title"].DefaultView;
			this.depotManger.DataBind();
			con.Close();
		}

		private void depotManger_CancelCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			this.depotManger.EditItemIndex=-1;
			this.Bind_depotlist();
		}

		private void depotManger_UpdateCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			string merID=this.depotManger.DataKeys[e.Item.ItemIndex].ToString();
			string depotName=((TextBox)(e.Item.Cells[5].Controls[0])).Text;
			SqlConnection con=new SqlConnection(strConn);
			con.Open();
			SqlCommand cmd=new SqlCommand("update merchandise set merchandise.depotID=(select depotID from depot where depotName='"+depotName+"') where  merID='"+merID+"'",con);
			cmd.ExecuteNonQuery();
			this.depotManger.EditItemIndex=-1;
			this.Bind_depotlist();
		}

		private void ddl_mertype_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			Bind_depotlist();
		}

		private void depotManger_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
		{
			if(e.Item.ItemType==ListItemType.Item||e.Item.ItemType==ListItemType.AlternatingItem)
			{
				e.Item.Attributes.Add("onmouseover","c=this.style.backgroundColor;this.style.backgroundColor='#6699ff'");
				e.Item.Attributes.Add("onmouseout","this.style.backgroundColor=c");
			}
		}

		private void depotManger_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			this.depotManger.CurrentPageIndex=e.NewPageIndex;
			this.Bind_depotlist();
		}
	}
}