contractadd.aspx.cs

本文件夹中的Model目录下包含了系统的数据库模型图和系统建模图

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 TMS
{
	/// <summary>
	/// ContractAdd 的摘要说明。
	/// </summary>
	public class ContractAdd : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Button btn_submit;
		protected System.Web.UI.WebControls.TextBox tbx_tbegindate;
		protected System.Web.UI.WebControls.TextBox tbx_tenddate;
		protected System.Web.UI.WebControls.TextBox tbx_ttotalmoney;
		protected System.Web.UI.WebControls.TextBox tbx_tid;
		protected System.Web.UI.WebControls.DropDownList ddl_tcid;
		protected System.Web.UI.WebControls.DropDownList ddl_tpid;
		protected System.Web.UI.WebControls.TextBox tbx_tcontent;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfv_tcontent;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfv_tid;
		protected System.Web.UI.WebControls.CustomValidator ctv_tid;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfv_tcid;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfv_tpid;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfv_tbegindate;
		protected System.Web.UI.WebControls.RequiredFieldValidator rfv_tenddate;
		protected System.Web.UI.WebControls.RequiredFieldValidator rvf_ttotalmoney;
		protected System.Web.UI.WebControls.RangeValidator rv_tbegindate;
		protected System.Web.UI.WebControls.RangeValidator rv_tenddate;
		protected System.Web.UI.WebControls.HyperLink hlk_contractmanage;
		protected System.Web.UI.WebControls.CompareValidator cvd_date;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			//绑定客户信息及项目信息下拉列表框
			if(!IsPostBack)
			{//客户信息下拉列表框绑定
				string strconn= ConfigurationSettings.AppSettings["dsn"];
				//连接本地计算机的HMS数据库
				SqlConnection cn0= new SqlConnection (strconn);
				cn0.Open ();
				string mysql="select * from Clients ";
				SqlCommand cm=new SqlCommand  (mysql,cn0);
				SqlDataReader dr=cm.ExecuteReader ();
				while(dr.Read ())
				{
					ddl_tcid.Items .Add (new ListItem(dr["cname"].ToString(),dr["cid"].ToString()) );
				}
				cn0.Close ();
			//项目信息下拉列表框绑定
				cn0.Open ();
				string mysql1="select * from Projects";
				SqlCommand cm1=new SqlCommand  (mysql1,cn0);
				SqlDataReader dr1=cm1.ExecuteReader ();
				while(dr1.Read ())
				{
					ddl_tpid.Items .Add (new ListItem(dr1["pname"].ToString(),dr1["pid"].ToString()) );
				}
				cn0.Close ();
			}
		}

		private void btn_submit_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TMS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  ("contractadd",cn);
				//将命令类型转为存储类型
				cm.CommandType =CommandType.StoredProcedure ;
				//往存储过程中添加参数
				cm.Parameters .Add ("@TID",SqlDbType.VarChar);
				cm.Parameters .Add ("@TCID",SqlDbType.VarChar);
				cm.Parameters .Add ("@TPID",SqlDbType.VarChar);
				cm.Parameters .Add ("@TBeginDate",SqlDbType.VarChar);
				cm.Parameters .Add ("@TEndDate",SqlDbType.VarChar);
				cm.Parameters .Add ("@TTotalMoney",SqlDbType.Money );
				cm.Parameters .Add ("@TContent",SqlDbType.VarChar);
				//给存储过程的参数付值
				cm.Parameters ["@TID"].Value =tbx_tid.Text .ToString ();
				cm.Parameters ["@TCID"].Value =ddl_tcid.SelectedItem .Value ;
				cm.Parameters ["@TPID"].Value =ddl_tpid.SelectedItem .Value ;
				cm.Parameters ["@TBeginDate"].Value =tbx_tbegindate.Text .ToString ();
				cm.Parameters ["@TEndDate"].Value =tbx_tenddate.Text .ToString ();
				cm.Parameters ["@TTotalMoney"].Value =tbx_ttotalmoney.Text .ToString ();
				cm.Parameters ["@TContent"].Value =tbx_tcontent.Text .ToString ();
				cm.ExecuteNonQuery ();
				//关闭连接
				cn.Close();
				Response.Redirect("contractmanage.aspx");
			}
		}
		//验证合同号的有效性
		public void ctv_tid_ServerValidate(object source, System.Web.UI.WebControls.ServerValidateEventArgs args)
		{//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TMS数据库
			SqlConnection cn= new SqlConnection (strconn);
			cn.Open ();
			//构造SQL语句，该语句在contract表中检查合同号是否已存在
			string mysql= "select * from contract where Tid='"+tbx_tid.Text +"'";
			//创建Command对象
			SqlCommand cm=new SqlCommand  (mysql,cn);
			//执行ExecuteReader ()方法
			SqlDataReader dr=cm.ExecuteReader ();
			if(dr.Read ())
			{
				args.IsValid =false;//合同号已存在
			}
			else
			{
				args.IsValid =true;//合同号尚未被注册
			}
			//关闭连接
			cn.Close();
		}
		#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_submit.Click += new System.EventHandler(this.btn_submit_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

	}
}