fstart.cs

排课系统

using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace PK
{
	/// <summary>
	/// fStart 的摘要说明。
	/// </summary>
	public class fStart : System.Windows.Forms.UserControl
	{
		public event System.EventHandler startCallMessageL;
		public event System.EventHandler startCallMessageJ;
		public event System.EventHandler startCallMessageB;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.TextBox textBox3;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.Button button3;
		private string teacherNo;
		private string classNo;
		private string studyClassNo;
		public string TeacherNo
		{
			get
			{
				return teacherNo;
			}
			set
			{
				teacherNo = value;
			}
		}
		public string ClassNo
		{
			get
			{
				return classNo;
			}
			set
			{
				classNo = value;
			}
		}
		public string StudyClassNo
		{
			get
			{
				return studyClassNo;
			}
			set
			{
				studyClassNo = value;
			}
		}
		/// <summary> 
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public fStart()
		{
			// 该调用是 Windows.Forms 窗体设计器所必需的。
			InitializeComponent();

			// TODO: 在 InitializeComponent 调用后添加任何初始化

		}

		/// <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.textBox1 = new System.Windows.Forms.TextBox();
			this.label1 = new System.Windows.Forms.Label();
			this.button1 = new System.Windows.Forms.Button();
			this.label2 = new System.Windows.Forms.Label();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.button2 = new System.Windows.Forms.Button();
			this.textBox3 = new System.Windows.Forms.TextBox();
			this.label4 = new System.Windows.Forms.Label();
			this.button3 = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(32, 56);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(112, 21);
			this.textBox1.TabIndex = 1;
			this.textBox1.Text = "textBox1";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(32, 16);
			this.label1.Name = "label1";
			this.label1.TabIndex = 2;
			this.label1.Text = "教师姓名";
			this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(40, 104);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(88, 23);
			this.button1.TabIndex = 3;
			this.button1.Text = "教师课表查询";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(24, 160);
			this.label2.Name = "label2";
			this.label2.TabIndex = 4;
			this.label2.Text = "教室地点";
			this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// textBox2
			// 
			this.textBox2.Location = new System.Drawing.Point(24, 200);
			this.textBox2.Name = "textBox2";
			this.textBox2.Size = new System.Drawing.Size(112, 21);
			this.textBox2.TabIndex = 5;
			this.textBox2.Text = "textBox2";
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(40, 240);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(88, 23);
			this.button2.TabIndex = 6;
			this.button2.Text = "教室课表查询";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// textBox3
			// 
			this.textBox3.Location = new System.Drawing.Point(24, 328);
			this.textBox3.Name = "textBox3";
			this.textBox3.Size = new System.Drawing.Size(112, 21);
			this.textBox3.TabIndex = 8;
			this.textBox3.Text = "textBox3";
			// 
			// label4
			// 
			this.label4.Location = new System.Drawing.Point(24, 280);
			this.label4.Name = "label4";
			this.label4.TabIndex = 9;
			this.label4.Text = "班级号";
			this.label4.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// button3
			// 
			this.button3.Location = new System.Drawing.Point(40, 376);
			this.button3.Name = "button3";
			this.button3.Size = new System.Drawing.Size(88, 23);
			this.button3.TabIndex = 10;
			this.button3.Text = "班级课表查询";
			this.button3.Click += new System.EventHandler(this.button3_Click);
			// 
			// fStart
			// 
			this.Controls.Add(this.button3);
			this.Controls.Add(this.label4);
			this.Controls.Add(this.textBox3);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.textBox2);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.textBox1);
			this.Name = "fStart";
			this.Size = new System.Drawing.Size(176, 432);
			this.Load += new System.EventHandler(this.fStart_Load);
			this.ResumeLayout(false);

		}
		#endregion

		private void fStart_Load(object sender, System.EventArgs e)
		{
			this.textBox1.Text = "";
			this.textBox2.Text = "";
			this.textBox3.Text = "";
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			if (!staticClass.isHaveConsequents())
			{
				MessageBox.Show("没有排课结果不能查询！");
				return;
			}
			if (this.textBox1.Text.Trim() == "")
				MessageBox.Show("教师姓名不能为空！");
			else
			{
				Connection c = new Connection();
				bool check = false;
				SqlConnection conn = new SqlConnection(c.getConnectionString);
				conn.Open();
				string str = "select * from teacher";
				SqlCommand cmd = new SqlCommand(str,conn);
				SqlDataReader dr = cmd.ExecuteReader();
				while (dr.Read())
				{
					if (this.textBox1.Text.Trim() == Convert.ToString(dr["teacherName"]))
					{
						this.teacherNo = Convert.ToString(dr["teacherNo"]);
						check = true;
						if (staticClass.isTeacher(this.teacherNo))
						{
							if (startCallMessageL != null)
								startCallMessageL(sender,e);
							break;
						}
						else
						{
							MessageBox.Show("此教师未安排课程!");
						}
					}
				}
				dr.Close();
				conn.Close();
				if (!check)
				{
					MessageBox.Show("教师不存在！");
					this.textBox1.Text = "";
					this.textBox1.Focus();
				}
			}
		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			if (!staticClass.isHaveConsequents())
			{
				MessageBox.Show("没有排课结果不能查询！");
				return;
			}
			if (this.textBox2.Text.Trim() == "")
				MessageBox.Show("教室地址不能为空！");
			else
			{
				Connection c = new Connection();
				bool check = false;
				SqlConnection conn = new SqlConnection(c.getConnectionString);
				conn.Open();
				string str = "select * from class";
				SqlCommand cmd = new SqlCommand(str,conn);
				SqlDataReader dr = cmd.ExecuteReader();
				while (dr.Read())
				{
					if (this.textBox2.Text.Trim() == Convert.ToString(dr["classNo"]))
					{
						this.classNo = Convert.ToString(dr["classNo"]);
						check = true;
						if (staticClass.isUsed(this.classNo))
						{
							if (startCallMessageJ != null)
								startCallMessageJ(sender,e);
							break;
						}
						else
						{
							MessageBox.Show("此教室没安排！");
						}
					}
				}
				dr.Close();
				conn.Close();
				if (!check)
				{
					MessageBox.Show("教室不存在！");
					this.textBox2.Text = "";
					this.textBox2.Focus();
				}
			}
		}

		private void button3_Click(object sender, System.EventArgs e)
		{
			if (!staticClass.isHaveConsequents())
			{
				MessageBox.Show("没有排课结果不能查询！");
				return;
			}
			if (this.textBox3.Text.Trim() == "")
				MessageBox.Show("班级号不能为空！");
			else
			{
				Connection c = new Connection();
				bool check = false;
				SqlConnection conn = new SqlConnection(c.getConnectionString);
				conn.Open();
				string str = "select * from course";
				SqlCommand cmd = new SqlCommand(str,conn);
				SqlDataReader dr = cmd.ExecuteReader();
				while (dr.Read())
				{
					if (this.textBox3.Text.Trim() == Convert.ToString(dr["studyClassNo"]))
					{
						this.studyClassNo = Convert.ToString(dr["studyClassNo"]);
						check = true;
						if (startCallMessageB != null)
							startCallMessageB(sender,e);
						break;
					}
				}
				dr.Close();
				conn.Close();
				if (!check)
				{
					MessageBox.Show("此班级不存在！");
					this.textBox3.Text = "";
					this.textBox3.Focus();
				}
			}
		}
	}
}