component1.cs

三层框架结构

using System;
using System.ComponentModel;
using System.Collections;
using System.Diagnostics;

namespace ClassLibrary1
{
	/// <summary>
	/// Component1 的摘要说明。
	/// </summary>
	public class Component1 : System.ComponentModel.Component
	{
		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 System.Data.SqlClient.SqlDataAdapter sqlDataAdapter1;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Component1(System.ComponentModel.IContainer container)
		{
			///
			/// Windows.Forms 类撰写设计器支持所必需的
			///
			container.Add(this);
			InitializeComponent();

			//
			// TODO: 在 InitializeComponent 调用后添加任何构造函数代码
			//
		}

		public Component1()
		{
			///
			/// Windows.Forms 类撰写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 组件设计器生成的代码
		/// <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()
		{
			this.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlInsertCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlUpdateCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlDeleteCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
			this.sqlDataAdapter1 = new System.Data.SqlClient.SqlDataAdapter();
			// 
			// sqlSelectCommand1
			// 
			this.sqlSelectCommand1.CommandText = "SELECT likeid, likename FROM likename";
			this.sqlSelectCommand1.Connection = this.sqlConnection1;
			// 
			// sqlInsertCommand1
			// 
			this.sqlInsertCommand1.CommandText = "INSERT INTO likename(likeid, likename) VALUES (@likeid, @likename); SELECT likeid" +
				", likename FROM likename WHERE (likeid = @likeid)";
			this.sqlInsertCommand1.Connection = this.sqlConnection1;
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@likeid", System.Data.SqlDbType.Int, 4, "likeid"));
			this.sqlInsertCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@likename", System.Data.SqlDbType.VarChar, 50, "likename"));
			// 
			// sqlUpdateCommand1
			// 
			this.sqlUpdateCommand1.CommandText = "UPDATE likename SET likeid = @likeid, likename = @likename WHERE (likeid = @Origi" +
				"nal_likeid) AND (likename = @Original_likename OR @Original_likename IS NULL AND" +
				" likename IS NULL); SELECT likeid, likename FROM likename WHERE (likeid = @likei" +
				"d)";
			this.sqlUpdateCommand1.Connection = this.sqlConnection1;
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@likeid", System.Data.SqlDbType.Int, 4, "likeid"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@likename", System.Data.SqlDbType.VarChar, 50, "likename"));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_likeid", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "likeid", System.Data.DataRowVersion.Original, null));
			this.sqlUpdateCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_likename", System.Data.SqlDbType.VarChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "likename", System.Data.DataRowVersion.Original, null));
			// 
			// sqlDeleteCommand1
			// 
			this.sqlDeleteCommand1.CommandText = "DELETE FROM likename WHERE (likeid = @Original_likeid) AND (likename = @Original_" +
				"likename OR @Original_likename IS NULL AND likename IS NULL)";
			this.sqlDeleteCommand1.Connection = this.sqlConnection1;
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_likeid", System.Data.SqlDbType.Int, 4, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "likeid", System.Data.DataRowVersion.Original, null));
			this.sqlDeleteCommand1.Parameters.Add(new System.Data.SqlClient.SqlParameter("@Original_likename", System.Data.SqlDbType.VarChar, 50, System.Data.ParameterDirection.Input, false, ((System.Byte)(0)), ((System.Byte)(0)), "likename", System.Data.DataRowVersion.Original, null));
			// 
			// sqlConnection1
			// 
			this.sqlConnection1.ConnectionString = "workstation id=\"WWW-B932F1208EA\";packet size=4096;integrated security=SSPI;data s" +
				"ource=\"WWW-B932F1208EA\";persist security info=True;initial catalog=AAA";
			// 
			// 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", "likename", new System.Data.Common.DataColumnMapping[] {
																																																				  new System.Data.Common.DataColumnMapping("likeid", "likeid"),
																																																				  new System.Data.Common.DataColumnMapping("likename", "likename")})});
			this.sqlDataAdapter1.UpdateCommand = this.sqlUpdateCommand1;

		}
		#endregion
	}
}