query.cs

visualc#+sql图书出租管理系统

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

namespace Library
{
	/// <summary>
	/// Query 的摘要说明。
	/// </summary>
	public class Query : System.Windows.Forms.Form
	{
		private System.Windows.Forms.ComboBox comboDataTable;
		private System.Windows.Forms.ComboBox comboDataItem;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.TextBox textValue;
		private System.Windows.Forms.DataGrid dataGrid1;
		private System.Windows.Forms.Button btnClear;
		private System.Windows.Forms.Button btnExit;
		private System.Windows.Forms.Button btnQuery;
		private System.Data.SqlClient.SqlConnection sqlConnection1;
		private System.Data.SqlClient.SqlDataAdapter sqlDataAdapterReader;		
		private System.Data.SqlClient.SqlDataAdapter sqlDataAdapterBook;
		public string SqlString;
		public string OrderString;
		public string QueryString;
		private System.Windows.Forms.ComboBox comboCondition;
		private System.Windows.Forms.GroupBox groupBox1;
		private System.Data.SqlClient.SqlDataAdapter sqlDataAdapterPublish;
		private System.Data.SqlClient.SqlCommand sqlSelectCommand3;
		private System.Data.SqlClient.SqlCommand sqlInsertCommand3;
		private System.Data.SqlClient.SqlCommand sqlUpdateCommand3;
		private System.Data.SqlClient.SqlCommand sqlDeleteCommand3;
		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.SqlCommand sqlSelectCommand2;
		private System.Data.SqlClient.SqlCommand sqlInsertCommand2;
		private System.Data.SqlClient.SqlCommand sqlUpdateCommand2;
		private System.Data.SqlClient.SqlCommand sqlDeleteCommand2;
		private System.Data.SqlClient.SqlCommand sqlSelectCommand4;
		private System.Data.SqlClient.SqlCommand sqlInsertCommand4;
		private System.Data.SqlClient.SqlDataAdapter sqlDataAdapterBorrow;
		private Library.DataSetQuery objDataSetQuery;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Query()
		{
			//
			// 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()
		{
			this.comboDataTable = new System.Windows.Forms.ComboBox();
			this.comboDataItem = new System.Windows.Forms.ComboBox();
			this.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.label4 = new System.Windows.Forms.Label();
			this.textValue = new System.Windows.Forms.TextBox();
			this.dataGrid1 = new System.Windows.Forms.DataGrid();
			this.btnClear = new System.Windows.Forms.Button();
			this.btnExit = new System.Windows.Forms.Button();
			this.btnQuery = new System.Windows.Forms.Button();
			this.sqlConnection1 = new System.Data.SqlClient.SqlConnection();
			this.sqlDataAdapterReader = new System.Data.SqlClient.SqlDataAdapter();
			this.sqlDeleteCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlInsertCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlSelectCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlUpdateCommand1 = new System.Data.SqlClient.SqlCommand();
			this.sqlDataAdapterBook = new System.Data.SqlClient.SqlDataAdapter();
			this.sqlDeleteCommand2 = new System.Data.SqlClient.SqlCommand();
			this.sqlInsertCommand2 = new System.Data.SqlClient.SqlCommand();
			this.sqlSelectCommand2 = new System.Data.SqlClient.SqlCommand();
			this.sqlUpdateCommand2 = new System.Data.SqlClient.SqlCommand();
			this.comboCondition = new System.Windows.Forms.ComboBox();
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.sqlDataAdapterPublish = new System.Data.SqlClient.SqlDataAdapter();
			this.sqlDeleteCommand3 = new System.Data.SqlClient.SqlCommand();
			this.sqlInsertCommand3 = new System.Data.SqlClient.SqlCommand();
			this.sqlSelectCommand3 = new System.Data.SqlClient.SqlCommand();
			this.sqlUpdateCommand3 = new System.Data.SqlClient.SqlCommand();
			this.sqlDataAdapterBorrow = new System.Data.SqlClient.SqlDataAdapter();
			this.sqlInsertCommand4 = new System.Data.SqlClient.SqlCommand();
			this.sqlSelectCommand4 = new System.Data.SqlClient.SqlCommand();
			this.objDataSetQuery = new Library.DataSetQuery();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			this.groupBox1.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.objDataSetQuery)).BeginInit();
			this.SuspendLayout();
			// 
			// comboDataTable
			// 
			this.comboDataTable.Items.AddRange(new object[] {
																"Reader",
																"Book",
																"PublishCompany",
																"Borrow"});
			this.comboDataTable.Location = new System.Drawing.Point(104, 24);
			this.comboDataTable.Name = "comboDataTable";
			this.comboDataTable.Size = new System.Drawing.Size(104, 20);
			this.comboDataTable.TabIndex = 0;
			this.comboDataTable.SelectedIndexChanged += new System.EventHandler(this.comboDataTable_SelectedIndexChanged);
			// 
			// comboDataItem
			// 
			this.comboDataItem.Location = new System.Drawing.Point(104, 56);
			this.comboDataItem.Name = "comboDataItem";
			this.comboDataItem.Size = new System.Drawing.Size(104, 20);
			this.comboDataItem.TabIndex = 1;
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(32, 32);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(72, 23);
			this.label1.TabIndex = 3;
			this.label1.Text = "选择数据表";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(32, 64);
			this.label2.Name = "label2";