addsale.aspx.cs

用ASP.NET做的客户管理系统,该系统以客户管理中涉及的销售管理,合同管理为主体.

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace cms
{
	/// <summary>
	/// addsale 的摘要说明。
	/// </summary>
	public class addsale : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DropDownList Ddl_customer;
		protected System.Web.UI.WebControls.CustomValidator Cv_customer;
		protected System.Web.UI.WebControls.DropDownList Ddl_product;
		protected System.Web.UI.WebControls.TextBox Tbx_date1;
		protected System.Web.UI.WebControls.TextBox Tbx_count1;
		protected System.Web.UI.WebControls.TextBox Tbx_price;
		protected System.Web.UI.WebControls.Button Btn_add;
		protected System.Web.UI.WebControls.Button Btn_reset;
		protected System.Web.UI.WebControls.Label Lbl_note;
		protected System.Web.UI.WebControls.TextBox Tbx_num;
		protected System.Web.UI.WebControls.RequiredFieldValidator Rv_id;
	    SqlConnection cn;
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			//客户名称下拉列表框绑定
			string strconn= ConfigurationSettings.AppSettings["dsn"];
			//连接本地计算机的CMS数据库
			SqlConnection cn0= new SqlConnection (strconn);
			if(!IsPostBack)
			{
				cn0.Open ();
				string mysql="select * from customer";
				SqlCommand cm0=new SqlCommand  (mysql,cn0);
				SqlDataReader dr0=cm0.ExecuteReader ();
				while(dr0.Read ())
				{
					Ddl_customer.Items .Add (new ListItem(dr0["Custom_name"].ToString(),dr0["Custom_id"].ToString()) );
				}
				cn0.Close ();
				//产品名称下拉列表框绑定
				cn0.Open ();
				string mysql1="select * from product";
				SqlCommand cm1=new SqlCommand  (mysql1,cn0);
				SqlDataReader dr1=cm1.ExecuteReader ();
				while(dr1.Read ())
				{
					Ddl_product.Items .Add (new ListItem(dr1["Product_name"].ToString() ,dr1["Product_id"].ToString()) );
				}
				cn0.Close ();
			}
			// 在此处放置用户代码以初始化页面
			cn=new SqlConnection(strconn);
		}

		#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_add.Click += new System.EventHandler(this.Btn_add_Click);
			this.Btn_reset.Click += new System.EventHandler(this.Btn_reset_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Btn_add_Click(object sender, System.EventArgs e)
		{
			cn.Open();
			string strsql="insert into custom_sale(ID,Custom_id,Product_id,Product_sale,Product_price,Product_date) values(@id,@Custom_id,@Product_id,@Product_sale,@Product_price,@Product_date)";
			SqlCommand cm=new SqlCommand(strsql,cn);
			try
			{	
				cm.Parameters.Add(new SqlParameter("@id",SqlDbType.Char,10));
				cm.Parameters["@id"].Value=Tbx_num.Text;
				cm.Parameters.Add(new SqlParameter("@Custom_id",SqlDbType.Char,10));
				cm.Parameters["@Custom_id"].Value=Ddl_customer.SelectedItem.Value;
				cm.Parameters.Add(new SqlParameter("@Product_id",SqlDbType.Char,10));
				cm.Parameters["@Product_id"].Value=Ddl_product.SelectedItem.Value;
				cm.Parameters.Add(new SqlParameter("@Product_sale",SqlDbType.Int,4));
				cm.Parameters["@Product_sale"].Value=Tbx_count1.Text;
				cm.Parameters.Add(new SqlParameter("@Product_price",SqlDbType.Money,8));
				cm.Parameters["@Product_price"].Value=Tbx_price.Text;
				cm.Parameters.Add(new SqlParameter("@Product_date",SqlDbType.Char,10));
				cm.Parameters["@Product_date"].Value=Tbx_date1.Text;                                                        		
				cm.ExecuteNonQuery();
				Lbl_note.Text="添加成功，请返回";						
			}
			catch
			{
				Lbl_note.Text="添加失败，请检查输入！";
				Lbl_note.Style["color"]="red";
			}
		}

		private void Btn_reset_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("addsale.aspx");
		}

		private void Btn_exit_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("customer_sale.aspx");
		}
	}
}