百货/超市行业

开发平台：
Visual C++

Form4.cs：源码内容
							using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace supershop
{
	/// <summary>
	/// Form4 的摘要说明。
	/// </summary>
	public class Form4 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.ListView listView1;
		private System.Windows.Forms.ColumnHeader columnHeader1;
		private System.Windows.Forms.ColumnHeader columnHeader2;
		private System.Windows.Forms.ColumnHeader columnHeader3;
		private System.Windows.Forms.ColumnHeader columnHeader4;
		private System.Windows.Forms.ColumnHeader columnHeader5;
		private System.Windows.Forms.ColumnHeader columnHeader6;
		private System.Data.OleDb.OleDbConnection oleDbConnection1;
		private System.Data.OleDb.OleDbCommand oleDbSelectCommand1;
		private System.Data.OleDb.OleDbCommand oleDbInsertCommand1;
		private System.Data.OleDb.OleDbCommand oleDbUpdateCommand1;
		private System.Data.OleDb.OleDbCommand oleDbDeleteCommand1;
		private System.Data.OleDb.OleDbDataAdapter oleDbDataAdapter1;
		private System.Windows.Forms.Button button1;
		private System.Data.SqlClient.SqlConnection myConnection;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;
		public Form4()
		{
			//
			// Windows 窗体设计器支持所必需的
			//
			InitializeComponent();
			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}
		/// <summary>
		/// 清理所有正在使用的资源。
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}
		#region Windows 窗体设计器生成的代码
		/// <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()
		{
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(Form4));
			this.listView1 = new System.Windows.Forms.ListView();
			this.columnHeader1 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader2 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader3 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader4 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader5 = new System.Windows.Forms.ColumnHeader();
			this.columnHeader6 = new System.Windows.Forms.ColumnHeader();
			this.oleDbConnection1 = new System.Data.OleDb.OleDbConnection();
			this.oleDbSelectCommand1 = new System.Data.OleDb.OleDbCommand();
			this.oleDbInsertCommand1 = new System.Data.OleDb.OleDbCommand();
			this.oleDbUpdateCommand1 = new System.Data.OleDb.OleDbCommand();
			this.oleDbDeleteCommand1 = new System.Data.OleDb.OleDbCommand();
			this.oleDbDataAdapter1 = new System.Data.OleDb.OleDbDataAdapter();
			this.button1 = new System.Windows.Forms.Button();
			this.myConnection = new System.Data.SqlClient.SqlConnection();
			this.SuspendLayout();
			// 
			// listView1
			// 
			this.listView1.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
																						this.columnHeader1,
																						this.columnHeader2,
																						this.columnHeader3,
																						this.columnHeader4,
																						this.columnHeader5,
																						this.columnHeader6});
			this.listView1.Location = new System.Drawing.Point(0, 0);
			this.listView1.Name = "listView1";
			this.listView1.Size = new System.Drawing.Size(640, 288);
			this.listView1.TabIndex = 0;
			this.listView1.View = System.Windows.Forms.View.Details;
			// 
			// columnHeader1
			// 
			this.columnHeader1.Text = "销售号";
			this.columnHeader1.Width = 89;
			// 
			// columnHeader2
			// 
			this.columnHeader2.Text = "商品名称";
			this.columnHeader2.Width = 103;
			// 
			// columnHeader3
			// 
			this.columnHeader3.Text = "商品数量";
			this.columnHeader3.Width = 73;
			// 
			// columnHeader4
			// 
			this.columnHeader4.Text = "商品总价格";
			this.columnHeader4.Width = 85;
			// 
			// columnHeader5
			// 
			this.columnHeader5.Text = "销售时间";
			this.columnHeader5.Width = 174;
			// 
			// columnHeader6
			// 
			this.columnHeader6.Text = "销售人员";
			this.columnHeader6.Width = 112;
			// 
			// oleDbConnection1
			// 
			this.oleDbConnection1.ConnectionString = @"Integrated Security=SSPI;Packet Size=4096;Data Source=MICROSOFTPANG;Tag with column collation when possible=False;Initial Catalog=supershop;Use Procedure for Prepare=1;Auto Translate=True;Persist Security Info=False;Provider=""SQLOLEDB.1"";Workstation ID=MICROSOFTPANG;Use Encryption for Data=False";
			// 
			// oleDbDataAdapter1
			// 
			this.oleDbDataAdapter1.DeleteCommand = this.oleDbDeleteCommand1;
			this.oleDbDataAdapter1.InsertCommand = this.oleDbInsertCommand1;
			this.oleDbDataAdapter1.SelectCommand = this.oleDbSelectCommand1;
			this.oleDbDataAdapter1.UpdateCommand = this.oleDbUpdateCommand1;
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(440, 304);
			this.button1.Name = "button1";
			this.button1.TabIndex = 1;
			this.button1.Text = "清除销售记录";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// myConnection
			// 
			this.myConnection.ConnectionString = "workstation id=MICROSOFTPANG;packet size=4096;integrated security=SSPI;data sourc" +
				"e=MICROSOFTPANG;persist security info=False;initial catalog=supershop";
			// 
			// Form4
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(640, 333);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.listView1);
			this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
			this.Name = "Form4";
			this.Text = "Form4";
			this.Load += new System.EventHandler(this.Form4_Load);
			this.ResumeLayout(false);
		}
		#endregion
		private void Form4_Load(object sender, System.EventArgs e)
		{
			string sss="select soled.sallflog,production.pname,soled.solett,soled.allp,slist.stime,slist.sname from soled,slist,production where soled.pid=production.pid and soled.sallflog=slist.sallid order by slist.sallid desc";
			this.oleDbDataAdapter1.SelectCommand.CommandText=sss;
			this.oleDbDataAdapter1.SelectCommand.Connection=this.oleDbConnection1;
			//打开数据库连接
			this.oleDbConnection1.Open();
			System.Data.OleDb.OleDbDataReader MyReader2=this.oleDbDataAdapter1.SelectCommand.ExecuteReader();
			try
			{
				this.listView1.Items.Clear();
				while(MyReader2.Read())
				{
					ListViewItem MyItem=new ListViewItem();
					MyItem.Text=MyReader2.GetValue(0).ToString();
					for(int j=0;j<MyReader2.FieldCount-1;j++)
					    MyItem.SubItems.Add(MyReader2.GetValue(j+1).ToString());
					this.listView1.Items.Add(MyItem);
					
				}
				MyReader2.Close();
				this.oleDbConnection1.Close();
			}
			catch
			{
				MessageBox.Show(this,"帐户不存在！");
			} 
		}
		private void button1_Click(object sender, System.EventArgs e)
		{
			string dl="delete from slist";
			SqlCommand myCommand = new SqlCommand(dl,myConnection);
			myCommand.Connection.Open();
			try
			{
				myCommand.ExecuteNonQuery();
				myCommand.Connection.Close();
				MessageBox.Show("删除数据成功！ ");
			}
			catch(SqlException ex)
			{
				MessageBox.Show("删除数据错误！ " + ex.Message.ToString());
				myCommand.Connection.Close();
				return;
			}
			
			string dll="delete from soled";
			SqlCommand myCommand2 = new SqlCommand(dll,myConnection);
			myCommand.Connection.Open();
			try
			{
				myCommand2.ExecuteNonQuery();
				myCommand2.Connection.Close();
				MessageBox.Show("删除数据成功！ ");
			}
			catch(SqlException ex)
			{
				MessageBox.Show("删除数据错误！ " + ex.Message.ToString());
				myCommand2.Connection.Close();
				return;
			}
		}
	}
}

						