workform.cs

跟踪每个月客户的造访次数

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

namespace WindowsApplication3
{
	/// <summary>
	/// WorkForm 的摘要说明。
	/// </summary>
	public class WorkForm : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.DataGrid dataGrid1;
		private System.Windows.Forms.Button btnSave;
		private System.Windows.Forms.Button btnEdit;
		private System.Windows.Forms.Button btnExit;
		private System.Windows.Forms.Button btnCancel;
		private System.Data.SqlClient.SqlDataAdapter sqlDataAdapter1;
		private System.Data.SqlClient.SqlCommand sqlSelectCommand1;
		private System.Data.SqlClient.SqlCommand sqlInsertCommand1;
		private System.Data.SqlClient.SqlCommand sqlUpdateCommand1;
		private System.Data.SqlClient.SqlCommand sqlDeleteCommand1;
		private System.Data.SqlClient.SqlConnection sqlConnection1;
		private WindowsApplication3.workerDataSet workerDataSet1;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public WorkForm()
		{
			//
			// 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(WorkForm));
			this.label1 = new System.Windows.Forms.Label();
			this.dataGrid1 = new System.Windows.Forms.DataGrid();
			this.workerDataSet1 = new WindowsApplication3.workerDataSet();
			this.btnSave = new System.Windows.Forms.Button();
			this.btnEdit = new System.Windows.Forms.Button();
			this.btnExit = new System.Windows.Forms.Button();
			this.btnCancel = new System.Windows.Forms.Button();
			this.sqlDataAdapter1 = new System.Data.SqlClient.SqlDataAdapter();
			this.sqlDeleteCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
			this.sqlInsertCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlUpdateCommand1 = new System.Data.SqlClient.SqlCommand();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			((System.ComponentModel.ISupportInitialize)(this.workerDataSet1)).BeginInit();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.Font = new System.Drawing.Font("Arial", 10F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label1.ForeColor = System.Drawing.Color.LightGreen;
			this.label1.Image = ((System.Drawing.Image)(resources.GetObject("label1.Image")));
			this.label1.Location = new System.Drawing.Point(96, 32);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(296, 24);
			this.label1.TabIndex = 0;
			this.label1.Text = "Click on the Edit Button to load the records.";
			// 
			// dataGrid1
			// 
			this.dataGrid1.DataMember = "tblWorker";
			this.dataGrid1.DataSource = this.workerDataSet1;
			this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGrid1.Location = new System.Drawing.Point(72, 88);
			this.dataGrid1.Name = "dataGrid1";
			this.dataGrid1.Size = new System.Drawing.Size(352, 160);
			this.dataGrid1.TabIndex = 1;
			// 
			// workerDataSet1
			// 
			this.workerDataSet1.DataSetName = "workerDataSet";
			this.workerDataSet1.Locale = new System.Globalization.CultureInfo("zh-CN");
			// 
			// btnSave
			// 
			this.btnSave.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("btnSave.BackgroundImage")));
			this.btnSave.ForeColor = System.Drawing.Color.LightGreen;
			this.btnSave.Image = ((System.Drawing.Image)(resources.GetObject("btnSave.Image")));
			this.btnSave.Location = new System.Drawing.Point(40, 288);
			this.btnSave.Name = "btnSave";
			this.btnSave.TabIndex = 2;
			this.btnSave.Text = "&Save";
			this.btnSave.Click += new System.EventHandler(this.btnSave_Click);
			// 
			// btnEdit
			// 
			this.btnEdit.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("btnEdit.BackgroundImage")));
			this.btnEdit.ForeColor = System.Drawing.Color.LightGreen;
			this.btnEdit.Image = ((System.Drawing.Image)(resources.GetObject("btnEdit.Image")));
			this.btnEdit.Location = new System.Drawing.Point(144, 288);
			this.btnEdit.Name = "btnEdit";
			this.btnEdit.TabIndex = 2;
			this.btnEdit.Text = "&Edit";
			this.btnEdit.Click += new System.EventHandler(this.btnEdit_Click);
			// 
			// btnExit
			// 
			this.btnExit.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("btnExit.BackgroundImage")));
			this.btnExit.ForeColor = System.Drawing.Color.LightGreen;
			this.btnExit.Image = ((System.Drawing.Image)(resources.GetObject("btnExit.Image")));
			this.btnExit.Location = new System.Drawing.Point(360, 288);
			this.btnExit.Name = "btnExit";
			this.btnExit.TabIndex = 2;
			this.btnExit.Text = "E&xit";
			this.btnExit.Click += new System.EventHandler(this.btnExit_Click);
			// 
			// btnCancel
			// 
			this.btnCancel.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("btnCancel.BackgroundImage")));
			this.btnCancel.ForeColor = System.Drawing.Color.LightGreen;
			this.btnCancel.Image = ((System.Drawing.Image)(resources.GetObject("btnCancel.Image")));
			this.btnCancel.Location = new System.Drawing.Point(248, 288);
			this.btnCancel.Name = "btnCancel";
			this.btnCancel.TabIndex = 2;
			this.btnCancel.Text = "&Cancel";
			this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
			// 
			// sqlDataAdapter1
			// 
			this.sqlDataAdapter1.DeleteCommand = this.sqlDeleteCommand1;
			this.sqlDataAdapter1.InsertCommand = this.sqlInsertCommand1;
			this.sqlDataAdapter1.SelectCommand = this.sqlSelectCommand1;
			this.sqlDataAdapter1.TableMappings.AddRange(new System.Data.Common.DataTableMapping[] {
																									  new System.Data.Common.DataTableMapping("Table", "tblWorker", new System.Data.Common.DataColumnMapping[] {
																																																				   new System.Data.Common.DataColumnMapping("WorkerID", "WorkerID"),
																																																				   new System.Data.Common.DataColumnMapping("Name", "Name")})});
			this.sqlDataAdapter1.UpdateCommand = this.sqlUpdateCommand1;
			// 
			// sqlDeleteCommand1
			// 
			this.sqlDeleteCommand1.CommandText = "DELETE FROM tblWorker WHERE (WorkerID = @Original_WorkerID) AND (Name = @Original" +
				"_Name OR @Original_Name IS NULL AND Name IS NULL)";
			this.sqlDeleteCommand1.Connection = this.sqlConnection1;
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_WorkerID", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "WorkerID", System.Data.DataRowVersion.Original, null));
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Name", System.Data.SqlDbType.NVarChar, 90, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Name", System.Data.DataRowVersion.Original, null));
			// 
			// sqlConnection1
			// 
			this.sqlConnection1.ConnectionString = "workstation id=25918CBF7A5641A;packet size=4096;integrated security=SSPI;data sou" +
				"rce=25918CBF7A5641A;persist security info=False;initial catalog=CMS";
			// 
			// sqlInsertCommand1
			// 
			this.sqlInsertCommand1.CommandText = "INSERT INTO tblWorker(WorkerID, Name) VALUES (@WorkerID, @Name); SELECT WorkerID," +
				" Name FROM tblWorker WHERE (WorkerID = @WorkerID)";
			this.sqlInsertCommand1.Connection = this.sqlConnection1;
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@WorkerID", System.Data.SqlDbType.Int, 4, "WorkerID"));
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Name", System.Data.SqlDbType.NVarChar, 90, "Name"));
			// 
			// sqlSelectCommand1
			// 
			this.sqlSelectCommand1.CommandText = "SELECT WorkerID, Name FROM tblWorker";
			this.sqlSelectCommand1.Connection = this.sqlConnection1;
			// 
			// sqlUpdateCommand1
			// 
			this.sqlUpdateCommand1.CommandText = "UPDATE tblWorker SET WorkerID = @WorkerID, Name = @Name WHERE (WorkerID = @Origin" +
				"al_WorkerID) AND (Name = @Original_Name OR @Original_Name IS NULL AND Name IS NU" +
				"LL); SELECT WorkerID, Name FROM tblWorker WHERE (WorkerID = @WorkerID)";
			this.sqlUpdateCommand1.Connection = this.sqlConnection1;
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@WorkerID", System.Data.SqlDbType.Int, 4, "WorkerID"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Name", System.Data.SqlDbType.NVarChar, 90, "Name"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_WorkerID", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "WorkerID", System.Data.DataRowVersion.Original, null));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_Name", System.Data.SqlDbType.NVarChar, 90, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "Name", System.Data.DataRowVersion.Original, null));
			// 
			// WorkForm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("$this.BackgroundImage")));
			this.ClientSize = new System.Drawing.Size(536, 381);
			this.Controls.Add(this.btnSave);
			this.Controls.Add(this.dataGrid1);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.btnEdit);
			this.Controls.Add(this.btnExit);
			this.Controls.Add(this.btnCancel);
			this.Name = "WorkForm";
			this.Text = "WorkForm";
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.workerDataSet1)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		private void btnEdit_Click(object sender, System.EventArgs e)
		{
			workerDataSet1.Clear ();
			sqlDataAdapter1.Fill (workerDataSet1);
		}

		private void btnSave_Click(object sender, System.EventArgs e)
		{
		sqlDataAdapter1.Update (workerDataSet1);
			MessageBox.Show ("The Worker table is updated.");
		}

		private void btnCancel_Click(object sender, System.EventArgs e)
		{
		  workerDataSet1.Clear ();
         sqlDataAdapter1.Fill (workerDataSet1);
		}

		private void btnExit_Click(object sender, System.EventArgs e)
		{
			
			this.Close();
		}
	}
}