C# 三层架构实现DataGridView与Listview的增删改

C# 三层架构实现DataGridView与Listview的增删改！！！

namespace WindowsFormsApplication1
{
    partial class Form2
    {
        /// 

        /// Required designer variable.
        /// 

        private System.ComponentModel.IContainer components = null;

        /// 

        /// Clean up any resources being used.
        /// 

        /// true if managed resources should be disposed; otherwise false.
        protected override void Dispose（bool disposing）
        {
            if （disposing && （components != null））
            {
                components.Dispose（）;
            }
            base.Dispose（disposing）;
        }

        #region Windows Form Designer generated code

        /// 

        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// 

        private void InitializeComponent（）
        {
            this.tabControl1 = new System.Windows.Forms.TabControl（）;
            this.tabPage1 = new System.Windows.Forms.TabPage（）;
            this.tabPage2 = new System.Windows.Forms.TabPage（）;
            this.pictureBox1 = new System.Windows.Forms.PictureBox（）;
            this.btn_out = new System.Windows.Forms.Button（）;
            this.btn_add = new System.Windows.Forms.Button（）;
            this.label1 = new System.Windows.Forms.Label（）;
            this.tb_num = new System.Windows.Forms.TextBox（）;
            this.label2 = new System.Windows.Forms.Label（）;
            this.tb_name = new System.Windows.Forms.TextBox（）;
            this.label3 = new System.Windows.Forms.Label（）;
            this.tb_pwd = new System.Windows.Forms.TextBox（）;
            this.label4 = new System.Windows.Forms.Label（）;
            this.tb_sex = new System.Windows.Forms.TextBox（）;
            this.label5 = new System.Windows.Forms.Label（）;
            this.tb_beizhu = new System.Windows.Forms.TextBox（）;
            this.tabControl1.SuspendLayout（）;
            this.tabPage1.SuspendLayout（）;
            this.tabPage2.SuspendLayout（）;
            （（System.ComponentModel.ISupportInitialize）（this.pictureBox1））.BeginInit（）;
            this.SuspendLayout（）;
            // 
            // tabControl1
            // 
            this.tabControl1.Controls.Add（this.tabPage1）;
            this.tabControl1.Controls.Add（this.tabPage2）;
            this.tabControl1.Location = new System.Drawing.Point（12 12）;
            this.tabControl1.Name = “tabControl1“;
            this.tabControl1.SelectedIndex = 0;
            this.tabControl1.Size = new System.Drawing.Size（366 329）;
            this.tabControl1.TabIndex = 0;
            this.tabControl1.Tag = ““;
            // 
            // tabPage1
            // 
            this.tabPage1.Controls.Add（this.tb_beizhu）;
            this.tabPage1.Controls.Add（this.label5）;
            this.tabPage1.Controls.Add（this.tb_sex）;
            this.tabPa

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件       4608  2011-05-08 10:58  WindowsFormsApplication1\bin\Debug\BLL1.dll

     文件      11776  2011-05-08 10:58  WindowsFormsApplication1\bin\Debug\BLL1.pdb

     文件      97280  2010-12-21 19:25  WindowsFormsApplication1\bin\Debug\ChenXuJi1.exe

     文件       6144  2011-05-08 10:58  WindowsFormsApplication1\bin\Debug\DAL.dll

     文件      17920  2011-05-08 10:58  WindowsFormsApplication1\bin\Debug\DAL.pdb

     文件      35328  2011-05-08 11:01  WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe

     文件      85504  2011-05-08 11:01  WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.pdb

     文件      11600  2011-05-08 11:01  WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.vshost.exe

     文件        490  2010-03-17 22:39  WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.vshost.exe.manifest

     文件       4608  2011-05-08 10:58  WindowsFormsApplication1\BLL1\bin\Debug\BLL1.dll

     文件      11776  2011-05-08 10:58  WindowsFormsApplication1\BLL1\bin\Debug\BLL1.pdb

     文件       6144  2011-05-08 10:58  WindowsFormsApplication1\BLL1\bin\Debug\DAL.dll

     文件      17920  2011-05-08 10:58  WindowsFormsApplication1\BLL1\bin\Debug\DAL.pdb

     文件       2499  2011-05-08 10:38  WindowsFormsApplication1\BLL1\BLL1.csproj

     文件        538  2011-05-08 10:58  WindowsFormsApplication1\BLL1\obj\Debug\BLL1.csproj.FileListAbsolute.txt

     文件       4608  2011-05-08 10:58  WindowsFormsApplication1\BLL1\obj\Debug\BLL1.dll

     文件      11776  2011-05-08 10:58  WindowsFormsApplication1\BLL1\obj\Debug\BLL1.pdb

     文件       5715  2011-05-08 10:58  WindowsFormsApplication1\BLL1\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件       3897  2011-05-08 10:58  WindowsFormsApplication1\BLL1\obj\Debug\ResolveAssemblyReference.cache

     文件       1340  2011-05-08 09:49  WindowsFormsApplication1\BLL1\Properties\AssemblyInfo.cs

     文件       1955  2011-05-08 10:38  WindowsFormsApplication1\BLL1\Usermanagers.cs

     文件       6144  2011-05-08 10:58  WindowsFormsApplication1\DAL\bin\Debug\DAL.dll

     文件      17920  2011-05-08 10:58  WindowsFormsApplication1\DAL\bin\Debug\DAL.pdb

     文件       2387  2011-05-07 15:31  WindowsFormsApplication1\DAL\DAL.csproj

     文件       1573  2011-05-07 15:31  WindowsFormsApplication1\DAL\DBhelp.cs

     文件        383  2011-05-07 15:31  WindowsFormsApplication1\DAL\obj\Debug\DAL.csproj.FileListAbsolute.txt

     文件       6144  2011-05-08 10:58  WindowsFormsApplication1\DAL\obj\Debug\DAL.dll

     文件      17920  2011-05-08 10:58  WindowsFormsApplication1\DAL\obj\Debug\DAL.pdb

     文件       5744  2011-05-08 10:58  WindowsFormsApplication1\DAL\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

     文件       1338  2011-05-07 10:22  WindowsFormsApplication1\DAL\Properties\AssemblyInfo.cs

............此处省略79个文件信息