parentform.cs

酒店管理系统采用C#和SQL Server 数据库实现 适合一般小酒店的管理

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

namespace 医院管理系统
{
	/// <summary>
	/// ParentForm 的摘要说明。
	/// </summary>
	public class ParentForm : System.Windows.Forms.Form
	{
		protected CurrencyManager cmOrders;//用于数据导航控制
		protected DataSet dataSet11;
	
		protected System.Windows.Forms.GroupBox groupBox1;
		protected System.Windows.Forms.TextBox txt2;
		protected System.Windows.Forms.Label label1;
		protected System.Windows.Forms.Button btnSearch;
		protected System.Windows.Forms.TextBox txt1;
		protected System.Windows.Forms.Label label2;
		protected System.Windows.Forms.TextBox txt3;
		protected System.Windows.Forms.Label label3;
		private System.Windows.Forms.ImageList imageList1;
		protected System.Windows.Forms.ToolBar toolBar1;
		protected System.Windows.Forms.ToolBarButton tBtnFirst;
		protected System.Windows.Forms.ToolBarButton tBtnPre;
		protected System.Windows.Forms.ToolBarButton tBtnNext;
		protected System.Windows.Forms.ToolBarButton tBtnLast;
		protected System.Windows.Forms.ToolBarButton tBtnNew;
		protected System.Windows.Forms.ToolBarButton tBtnEdit;
		protected System.Windows.Forms.ToolBarButton tBtnDelete;
		protected System.Windows.Forms.ToolBarButton tBtnSubmit;
		protected System.Windows.Forms.ToolBarButton tBtnCancel;
		protected System.Windows.Forms.ToolBarButton tBtnQuit;
		protected System.Windows.Forms.DataGrid dataGrid1;
		protected System.Windows.Forms.GroupBox groupBox2;
		private System.Data.SqlClient.SqlCommand sqlSelectCommand1;
		private System.Data.SqlClient.SqlCommand sqlInsertCommand1;
		private System.Data.SqlClient.SqlCommand sqlUpdateCommand1;
		private System.Data.SqlClient.SqlCommand sqlDeleteCommand1;
		protected System.Data.SqlClient.SqlDataAdapter da1;
		private System.ComponentModel.IContainer components;

		public ParentForm()
		{
			//
			// 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.components = new System.ComponentModel.Container();
			System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(ParentForm));
			this.groupBox1 = new System.Windows.Forms.GroupBox();
			this.txt2 = new System.Windows.Forms.TextBox();
			this.label1 = new System.Windows.Forms.Label();
			this.btnSearch = new System.Windows.Forms.Button();
			this.txt1 = new System.Windows.Forms.TextBox();
			this.label2 = new System.Windows.Forms.Label();
			this.txt3 = new System.Windows.Forms.TextBox();
			this.label3 = new System.Windows.Forms.Label();
			this.imageList1 = new System.Windows.Forms.ImageList(this.components);
			this.toolBar1 = new System.Windows.Forms.ToolBar();
			this.tBtnFirst = new System.Windows.Forms.ToolBarButton();
			this.tBtnPre = new System.Windows.Forms.ToolBarButton();
			this.tBtnNext = new System.Windows.Forms.ToolBarButton();
			this.tBtnLast = new System.Windows.Forms.ToolBarButton();
			this.tBtnNew = new System.Windows.Forms.ToolBarButton();
			this.tBtnEdit = new System.Windows.Forms.ToolBarButton();
			this.tBtnDelete = new System.Windows.Forms.ToolBarButton();
			this.tBtnSubmit = new System.Windows.Forms.ToolBarButton();
			this.tBtnCancel = new System.Windows.Forms.ToolBarButton();
			this.tBtnQuit = new System.Windows.Forms.ToolBarButton();
			this.dataGrid1 = new System.Windows.Forms.DataGrid();
			this.groupBox2 = new System.Windows.Forms.GroupBox();
			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.da1 = new System.Data.SqlClient.SqlDataAdapter();
			this.groupBox1.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			this.SuspendLayout();
			// 
			// groupBox1
			// 
			this.groupBox1.Controls.Add(this.txt2);
			this.groupBox1.Controls.Add(this.label1);
			this.groupBox1.Controls.Add(this.btnSearch);
			this.groupBox1.Controls.Add(this.txt1);
			this.groupBox1.Controls.Add(this.label2);
			this.groupBox1.Controls.Add(this.txt3);
			this.groupBox1.Controls.Add(this.label3);
			this.groupBox1.Location = new System.Drawing.Point(0, 40);
			this.groupBox1.Name = "groupBox1";
			this.groupBox1.Size = new System.Drawing.Size(728, 56);
			this.groupBox1.TabIndex = 28;
			this.groupBox1.TabStop = false;
			// 
			// txt2
			// 
			this.txt2.Location = new System.Drawing.Point(368, 24);
			this.txt2.Name = "txt2";
			this.txt2.TabIndex = 2;
			this.txt2.Text = "";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(304, 28);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(64, 16);
			this.label1.TabIndex = 1;
			this.label1.Text = "查询条件2";
			// 
			// btnSearch
			// 
			this.btnSearch.Image = ((System.Drawing.Image)(resources.GetObject("btnSearch.Image")));
			this.btnSearch.ImageAlign = System.Drawing.ContentAlignment.MiddleLeft;
			this.btnSearch.Location = new System.Drawing.Point(16, 24);
			this.btnSearch.Name = "btnSearch";
			this.btnSearch.Size = new System.Drawing.Size(72, 23);
			this.btnSearch.TabIndex = 0;
			this.btnSearch.Text = " 搜索";
			// 
			// txt1
			// 
			this.txt1.Location = new System.Drawing.Point(168, 24);
			this.txt1.Name = "txt1";
			this.txt1.TabIndex = 2;
			this.txt1.Text = "";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(104, 28);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(64, 16);
			this.label2.TabIndex = 1;
			this.label2.Text = "查询条件1";
			// 
			// txt3
			// 
			this.txt3.Location = new System.Drawing.Point(571, 24);
			this.txt3.Name = "txt3";
			this.txt3.TabIndex = 2;
			this.txt3.Text = "";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(512, 28);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(64, 16);
			this.label3.TabIndex = 1;
			this.label3.Text = "查询条件3";
			// 
			// imageList1
			// 
			this.imageList1.ImageSize = new System.Drawing.Size(16, 16);
			this.imageList1.ImageStream = ((System.Windows.Forms.ImageListStreamer)(resources.GetObject("imageList1.ImageStream")));
			this.imageList1.TransparentColor = System.Drawing.SystemColors.ControlLightLight;
			// 
			// toolBar1
			// 
			this.toolBar1.Buttons.AddRange(new System.Windows.Forms.ToolBarButton[] {
																						this.tBtnFirst,
																						this.tBtnPre,
																						this.tBtnNext,
																						this.tBtnLast,
																						this.tBtnNew,
																						this.tBtnEdit,
																						this.tBtnDelete,
																						this.tBtnSubmit,
																						this.tBtnCancel,
																						this.tBtnQuit});
			this.toolBar1.DropDownArrows = true;
			this.toolBar1.ImageList = this.imageList1;
			this.toolBar1.Location = new System.Drawing.Point(0, 0);
			this.toolBar1.Name = "toolBar1";
			this.toolBar1.ShowToolTips = true;
			this.toolBar1.Size = new System.Drawing.Size(728, 41);
			this.toolBar1.TabIndex = 29;
			this.toolBar1.ButtonClick += new System.Windows.Forms.ToolBarButtonClickEventHandler(this.toolBar1_ButtonClick);
			// 
			// tBtnFirst
			// 
			this.tBtnFirst.ImageIndex = 0;
			this.tBtnFirst.Text = "首记录";
			this.tBtnFirst.ToolTipText = "首记录";
			// 
			// tBtnPre
			// 
			this.tBtnPre.ImageIndex = 1;
			this.tBtnPre.Text = "上一记录";
			this.tBtnPre.ToolTipText = "上一记录";
			// 
			// tBtnNext
			// 
			this.tBtnNext.ImageIndex = 2;
			this.tBtnNext.Text = "下一记录";
			this.tBtnNext.ToolTipText = "下一记录";
			// 
			// tBtnLast
			// 
			this.tBtnLast.ImageIndex = 3;
			this.tBtnLast.Text = "尾记录";
			this.tBtnLast.ToolTipText = "尾记录";
			// 
			// tBtnNew
			// 
			this.tBtnNew.ImageIndex = 4;
			this.tBtnNew.Text = "新增";
			this.tBtnNew.ToolTipText = "新增";
			// 
			// tBtnEdit
			// 
			this.tBtnEdit.ImageIndex = 5;
			this.tBtnEdit.Text = "修改";
			this.tBtnEdit.ToolTipText = "修改";
			// 
			// tBtnDelete
			// 
			this.tBtnDelete.ImageIndex = 6;
			this.tBtnDelete.Text = "删除";
			this.tBtnDelete.ToolTipText = "删除";
			// 
			// tBtnSubmit
			// 
			this.tBtnSubmit.ImageIndex = 7;
			this.tBtnSubmit.Text = "提交";
			this.tBtnSubmit.ToolTipText = "提交";
			// 
			// tBtnCancel
			// 
			this.tBtnCancel.ImageIndex = 8;
			this.tBtnCancel.Text = "取消";
			this.tBtnCancel.ToolTipText = "取消";
			// 
			// tBtnQuit
			// 
			this.tBtnQuit.ImageIndex = 9;
			this.tBtnQuit.Text = "退出";
			this.tBtnQuit.ToolTipText = "退出";
			// 
			// dataGrid1
			// 
			this.dataGrid1.CaptionVisible = false;
			this.dataGrid1.DataMember = "";
			this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGrid1.Location = new System.Drawing.Point(0, 96);
			this.dataGrid1.Name = "dataGrid1";
			this.dataGrid1.ReadOnly = true;
			this.dataGrid1.Size = new System.Drawing.Size(728, 280);
			this.dataGrid1.TabIndex = 30;
			// 
			// groupBox2
			// 
			this.groupBox2.Location = new System.Drawing.Point(0, 368);
			this.groupBox2.Name = "groupBox2";
			this.groupBox2.Size = new System.Drawing.Size(728, 128);
			this.groupBox2.TabIndex = 31;
			this.groupBox2.TabStop = false;
			// 
			// da1
			// 
			this.da1.DeleteCommand = this.sqlDeleteCommand1;
			this.da1.InsertCommand = this.sqlInsertCommand1;
			this.da1.SelectCommand = this.sqlSelectCommand1;
			this.da1.UpdateCommand = this.sqlUpdateCommand1;
			// 
			// ParentForm
			// 
			this.AcceptButton = this.btnSearch;
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(728, 502);
			this.Controls.Add(this.groupBox2);
			this.Controls.Add(this.dataGrid1);
			this.Controls.Add(this.toolBar1);
			this.Controls.Add(this.groupBox1);
			this.Name = "ParentForm";
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
			this.Text = "ParentForm";
			this.groupBox1.ResumeLayout(false);
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		//-----------工具栏控制代码-------------
		protected void toolBar1_ButtonClick(object sender, System.Windows.Forms.ToolBarButtonClickEventArgs e)
		{
			if(e.Button.ToolTipText=="退出")
			{
				this.Close();
			}
			

			if (e.Button.ToolTipText == "首记录")
			{
				this.dataGrid1.UnSelect(cmOrders.Position); //取消原选中的行
				cmOrders.Position = 0;
				this.dataGrid1.Select(cmOrders.Position); //选中当前行
				this.dataGrid1.CurrentRowIndex = cmOrders.Position; //移动表头指示图标
				return;
				
			}
			if (e.Button.ToolTipText == "上一记录")
			{
				if (cmOrders.Position >= 0)
				{
					this.dataGrid1.UnSelect(cmOrders.Position); 
					cmOrders.Position--;
					this.dataGrid1.Select(cmOrders.Position);      
					this.dataGrid1.CurrentRowIndex = cmOrders.Position; 
				}
				return;
			}
			if (e.Button.ToolTipText == "下一记录")
			{
				if (cmOrders.Position <= cmOrders.Count-1)
				{
					this.dataGrid1.UnSelect(cmOrders.Position); 
					cmOrders.Position++;
					this.dataGrid1.Select(cmOrders.Position);       
					this.dataGrid1.CurrentRowIndex = cmOrders.Position; 
					
				}
				return;
			}
			if (e.Button.ToolTipText == "尾记录")
			{
				this.dataGrid1.UnSelect(cmOrders.Position); 
				cmOrders.Position = cmOrders.Count-1;
				this.dataGrid1.Select(cmOrders.Position);       
				this.dataGrid1.CurrentRowIndex = cmOrders.Position; 
				return;
			}
			
			if(e.Button.ToolTipText=="新增")
			{				
				cmOrders.AddNew();//新增一条记录
                SetDefaultValue();//设置默认值				
				SetModifyMode(true);//设置控件只读等属性
			}
			if(e.Button.ToolTipText=="修改")
			{
				SetModifyMode(true);
			}
			if(e.Button.ToolTipText=="删除")
			{
				
				DialogResult result=MessageBox.Show("确认删除？","删除数据",MessageBoxButtons.OKCancel);
				if(result==DialogResult.OK)
					if(cmOrders.Count>0)//立即从数据集中删除
					{
						cmOrders.RemoveAt(cmOrders.Position);						
						da1.Update(dataSet11);
					}
					else
						MessageBox.Show("表中为空，已无可删除数据","提示",MessageBoxButtons.OK,MessageBoxIcon.Error);
			}
			if(e.Button.ToolTipText=="提交")
			{
				bool canSubmit;
				canSubmit=this.CheckNotNull();
				if(canSubmit==false)//有非空值字段为空，不允许提交
				{
					return;
				}
				cmOrders.EndCurrentEdit();
				if(dataSet11.GetChanges()!=null)
				{
					try
					{
						da1.Update(dataSet11);
						SetModifyMode(false);
					}
					catch(Exception express)
					{
						MessageBox.Show(express.ToString(),"提示",MessageBoxButtons.OK,MessageBoxIcon.Error);
						dataSet11.RejectChanges();
					}
				}
				return;
			}

			if (e.Button.ToolTipText == "取消")
			{
				try
				{
					cmOrders.CancelCurrentEdit();  //取消编辑
					SetModifyMode(false);
				}
				catch(Exception express)
				{
					MessageBox.Show(express.ToString(),"提示",MessageBoxButtons.OK,MessageBoxIcon.Error);
				}
				return;
			}

			
		}

		//------------控制各个控件的只读属性-----------
		protected virtual void SetModifyMode(bool blnEdit)
		{
			btnSearch.Enabled=!blnEdit;
		}
		
		//--------------供派生窗体重载，设置默认值------------
		protected virtual void SetDefaultValue()
		{
			return;
		}
		
		//------------供派生窗体重载，检查非空字段-----------------
		protected virtual bool CheckNotNull()
		{
			return(true);
		}

		

		
	}
}