billinvestform.cs

《C#和.NET第一步》中的财务系统 利用三层结构做的

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using Common;
namespace HomeMoney
{
	public partial class BillInvestForm : Form
	{
		private DataSet dsCurrent;
		private BillInvest billCurrent = new BillInvest();
		private bool formEnable = false;

		public bool FormEnable
		{
			get { return formEnable; }
			set { formEnable = value; }
		}
		
		public BillInvest BillCurrent
		{
			get { return billCurrent; }
		}
		
		public BillInvestForm()
		{
			InitializeComponent();
		}

		private void BillInvestForm_Load(object sender, EventArgs e)
		{
			dsCurrent = new Business.ClassInfoManager().GetClassInfos();
			DataView dw = dsCurrent.Tables[0].DefaultView;
			dw.RowFilter = "LEN(CBIItem)>0";
			this.cbBIItem.DataSource = dw;
			this.cbBIItem.ValueMember = "CBIItem";
		}

		private void btnOk_Click(object sender, EventArgs e)
		{
		    BillCurrent.BIDate=this.dtBIDate.Value;
		    BillCurrent.BICode=this.cbBICode.SelectedItem.ToString();
		    BillCurrent.BIName=this.cbBIName.SelectedItem.ToString();
		    BillCurrent.BICopys=Convert.ToInt32(this.txtBICopys.Text);
		    BillCurrent.BIPrice=Convert.ToSingle(this.txtPrice.Text);
		    BillCurrent.BRemarks=this.txtBIRemark.Text;
		    BillCurrent.BIType=this.cbBIType.SelectedItem.ToString();
		    BillCurrent.BIItem =this.cbBIItem.SelectedValue.ToString();
		    this.formEnable = true;
		    this.Close();
		}

		private void btnCancel_Click(object sender, EventArgs e)
		{
			this.formEnable = false;
			this.Close();
		}
	}
}