goodsmodify.aspx.cs

用vs2005和sql2000实现的仓库管理系统。包括人员信息维护、仓库信息维护、存放规则维护、货物进出记录等模块 数据库中预存有测试数据

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.Configuration ;
using System.Data .SqlClient ;

namespace WMS
{

	/// <summary>
	/// GoodsModify 的摘要说明。
	/// </summary>
	public class GoodsModify : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox tbx_gname;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfv_gname;
		protected System.Web.UI.WebControls.TextBox tbx_gprice;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfv_gprice;
		protected System.Web.UI.WebControls.TextBox tbx_gprovider1;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfv_gprovider1;
		protected System.Web.UI.WebControls.TextBox tbx_gprovider2;
		protected System.Web.UI.WebControls.TextBox tbx_gdescribe;
		protected System.Web.UI.WebControls.Button btn_modify;
		protected System.Web.UI.WebControls.Button btn_delete;
		protected System.Web.UI.WebControls.Label lbl_gid;
		protected System.Web.UI.WebControls.HyperLink hlk_goodsmanage;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if(!IsPostBack)
			{
				//从文件Web.config中读取连接字符串
				string strconn= ConfigurationSettings.AppSettings["dsn"];
				//连接本地计算机的WMS数据库
				SqlConnection cn= new SqlConnection (strconn);
				cn.Open ();
				SqlCommand cm=new SqlCommand  ("goodsdetail",cn);
				cm.CommandType =CommandType .StoredProcedure ;
				cm.Parameters .Add ("@GID",SqlDbType.Int );
				cm.Parameters ["@GID"].Value =Convert.ToInt32 (Request.QueryString ["gid"].ToString ());
				SqlDataReader dr=cm.ExecuteReader ();
				if(dr.Read ())//存在对应项
				{
					lbl_gid.Text =dr["gid"].ToString ();
					tbx_gname.Text =dr["gname"].ToString ();
					tbx_gprice.Text =dr["gprice"].ToString ();
					tbx_gprovider1.Text=dr["gprovider1"].ToString ();
					tbx_gprovider2.Text=dr["gprovider2"].ToString ();
					tbx_gdescribe.Text=dr["gdescribe"].ToString ();
				}
				else
				{
					Response.Write ("对不起，没有该产品信息");
					Response.End ();
				}
			}
		}

		

		private void btn_modify_Click(object sender, System.EventArgs e)
		{
			if(Page.IsValid )
			{//从文件Web.config中读取连接字符串
				string strconn= ConfigurationSettings.AppSettings["dsn"];
				//连接本地计算机的WMS数据库
				SqlConnection cn= new SqlConnection (strconn);
				cn.Open ();
				//利用Command对象调用存储过程
				SqlCommand cm=new SqlCommand  ("goodsmodify",cn);
				//将命令类型转为存储类型
				cm.CommandType =CommandType.StoredProcedure ;
				//添加并给参数付值
				cm.Parameters .Add ("@GID",SqlDbType.Int );
				cm.Parameters .Add ("@GName",SqlDbType.NVarChar);
				cm.Parameters .Add ("@GPrice",SqlDbType.Money );
				cm.Parameters .Add ("@GProvider1",SqlDbType.VarChar);
				cm.Parameters .Add ("@GProvider2",SqlDbType.VarChar  );
				cm.Parameters .Add ("@GDescribe",SqlDbType.VarChar  );

				cm.Parameters ["@GID"].Value =Convert.ToInt32 (lbl_gid.Text .ToString ());
				cm.Parameters ["@GName"].Value =tbx_gname.Text .ToString ();
				cm.Parameters ["@GPrice"].Value =Convert.ToDouble (tbx_gprice.Text .ToString ());
				cm.Parameters ["@GProvider1"].Value =tbx_gprovider1.Text .ToString ();
				cm.Parameters ["@GProvider2"].Value =tbx_gprovider2.Text .ToString ();
				cm.Parameters ["@GDescribe"].Value =tbx_gdescribe.Text .ToString ();
				cm.ExecuteNonQuery ();
				//关闭连接
				cn.Close();
				Response.Redirect("goodsmanage.aspx");
			}
		}

		private void btn_delete_Click(object sender, System.EventArgs e)
		{
			//从文件Web.config中读取连接字符串
			string strconn= ConfigurationSettings.AppSettings["dsn"];
			//连接本地计算机的WMS数据库
			SqlConnection cn= new SqlConnection (strconn);
			cn.Open ();
			SqlCommand cm=new SqlCommand ("goodsdelete",cn);
			cm.CommandType =CommandType.StoredProcedure ;
			cm.Parameters .Add ("@GID",SqlDbType.Int  );
			//从lbl_gid取得GID值
			cm.Parameters ["@GID"].Value =Convert.ToInt32 (lbl_gid .Text .ToString ());
			cm.ExecuteNonQuery ();
			//关闭连接
			cn.Close();
			Response.Redirect("goodsmanage.aspx");			
		}
		#region Web Form Designer generated code
		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.btn_modify.Click += new System.EventHandler(this.btn_modify_Click);
			this.btn_delete.Click += new System.EventHandler(this.btn_delete_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}

}