frmstuinfo.cs

一个学籍管理系统 以在某高校投入使用了

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

namespace prjClass
{
	/// <summary>
	/// frmStuInfo 的摘要说明。
	/// </summary>
	public class frmStuInfo : System.Windows.Forms.Form
	{
		private StuInfo stu = new StuInfo();
		private bool flag = false;
		private Class1 c = new Class1();
		private DataAccess da = new DataAccess();
		private System.Windows.Forms.Panel panel1;
		private System.Windows.Forms.Panel panel2;
		private System.Windows.Forms.DataGrid dataGrid1;
		private System.Windows.Forms.ComboBox cboSpec;
		private System.Windows.Forms.ComboBox cboClass;
		private System.Windows.Forms.TextBox txtYeay;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Button btnEdit;
		private System.Windows.Forms.Button btnDel;
		private System.Windows.Forms.Button btnCancle;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public frmStuInfo()
		{
			//
			// 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.panel1 = new System.Windows.Forms.Panel();
			this.btnCancle = new System.Windows.Forms.Button();
			this.btnDel = new System.Windows.Forms.Button();
			this.btnEdit = new System.Windows.Forms.Button();
			this.panel2 = new System.Windows.Forms.Panel();
			this.label3 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label1 = new System.Windows.Forms.Label();
			this.txtYeay = new System.Windows.Forms.TextBox();
			this.cboClass = new System.Windows.Forms.ComboBox();
			this.cboSpec = new System.Windows.Forms.ComboBox();
			this.dataGrid1 = new System.Windows.Forms.DataGrid();
			this.panel1.SuspendLayout();
			this.panel2.SuspendLayout();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			this.SuspendLayout();
			// 
			// panel1
			// 
			this.panel1.Controls.Add(this.btnCancle);
			this.panel1.Controls.Add(this.btnDel);
			this.panel1.Controls.Add(this.btnEdit);
			this.panel1.Dock = System.Windows.Forms.DockStyle.Bottom;
			this.panel1.Location = new System.Drawing.Point(0, 665);
			this.panel1.Name = "panel1";
			this.panel1.Size = new System.Drawing.Size(1028, 80);
			this.panel1.TabIndex = 0;
			// 
			// btnCancle
			// 
			this.btnCancle.Location = new System.Drawing.Point(712, 32);
			this.btnCancle.Name = "btnCancle";
			this.btnCancle.Size = new System.Drawing.Size(120, 23);
			this.btnCancle.TabIndex = 2;
			this.btnCancle.Text = "取  消";
			this.btnCancle.Click += new System.EventHandler(this.btnCancle_Click);
			// 
			// btnDel
			// 
			this.btnDel.Location = new System.Drawing.Point(454, 32);
			this.btnDel.Name = "btnDel";
			this.btnDel.Size = new System.Drawing.Size(120, 23);
			this.btnDel.TabIndex = 1;
			this.btnDel.Text = "删除学生信息";
			this.btnDel.Click += new System.EventHandler(this.btnDel_Click);
			// 
			// btnEdit
			// 
			this.btnEdit.Location = new System.Drawing.Point(176, 32);
			this.btnEdit.Name = "btnEdit";
			this.btnEdit.Size = new System.Drawing.Size(120, 23);
			this.btnEdit.TabIndex = 0;
			this.btnEdit.Text = "修改学生信息";
			this.btnEdit.Click += new System.EventHandler(this.btnEdit_Click);
			// 
			// panel2
			// 
			this.panel2.Controls.Add(this.label3);
			this.panel2.Controls.Add(this.label2);
			this.panel2.Controls.Add(this.label1);
			this.panel2.Controls.Add(this.txtYeay);
			this.panel2.Controls.Add(this.cboClass);
			this.panel2.Controls.Add(this.cboSpec);
			this.panel2.Dock = System.Windows.Forms.DockStyle.Top;
			this.panel2.Location = new System.Drawing.Point(0, 0);
			this.panel2.Name = "panel2";
			this.panel2.Size = new System.Drawing.Size(1028, 72);
			this.panel2.TabIndex = 1;
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(32, 24);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(64, 20);
			this.label3.TabIndex = 5;
			this.label3.Text = "专业";
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(584, 24);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(64, 20);
			this.label2.TabIndex = 4;
			this.label2.Text = "班级";
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(312, 24);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(64, 20);
			this.label1.TabIndex = 3;
			this.label1.Text = "入学年份";
			// 
			// txtYeay
			// 
			this.txtYeay.Location = new System.Drawing.Point(376, 24);
			this.txtYeay.Name = "txtYeay";
			this.txtYeay.Size = new System.Drawing.Size(168, 21);
			this.txtYeay.TabIndex = 2;
			this.txtYeay.Text = "";
			this.txtYeay.TextChanged += new System.EventHandler(this.txtYeay_TextChanged);
			this.txtYeay.Leave += new System.EventHandler(this.txtYeay_Leave);
			// 
			// cboClass
			// 
			this.cboClass.Location = new System.Drawing.Point(648, 24);
			this.cboClass.Name = "cboClass";
			this.cboClass.Size = new System.Drawing.Size(168, 20);
			this.cboClass.TabIndex = 1;
			this.cboClass.Text = "comboBox2";
			this.cboClass.SelectedIndexChanged += new System.EventHandler(this.cboClass_SelectedIndexChanged);
			// 
			// cboSpec
			// 
			this.cboSpec.Location = new System.Drawing.Point(96, 24);
			this.cboSpec.Name = "cboSpec";
			this.cboSpec.Size = new System.Drawing.Size(168, 20);
			this.cboSpec.TabIndex = 0;
			this.cboSpec.Text = "comboBox1";
			this.cboSpec.SelectedIndexChanged += new System.EventHandler(this.cboSpec_SelectedIndexChanged);
			// 
			// dataGrid1
			// 
			this.dataGrid1.DataMember = "";
			this.dataGrid1.Dock = System.Windows.Forms.DockStyle.Fill;
			this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGrid1.Location = new System.Drawing.Point(0, 72);
			this.dataGrid1.Name = "dataGrid1";
			this.dataGrid1.ReadOnly = true;
			this.dataGrid1.Size = new System.Drawing.Size(1028, 593);
			this.dataGrid1.TabIndex = 2;
			this.dataGrid1.GotFocus += new System.EventHandler(this.dataGrid1_GotFocus);
			this.dataGrid1.CurrentCellChanged += new System.EventHandler(this.dataGrid1_CurrentCellChanged);
			// 
			// frmStuInfo
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(1028, 745);
			this.Controls.Add(this.dataGrid1);
			this.Controls.Add(this.panel2);
			this.Controls.Add(this.panel1);
			this.Name = "frmStuInfo";
			this.Text = "学生信息浏览";
			this.WindowState = System.Windows.Forms.FormWindowState.Maximized;
			this.Load += new System.EventHandler(this.frmStuInfo_Load);
			this.panel1.ResumeLayout(false);
			this.panel2.ResumeLayout(false);
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		private void frmStuInfo_Load(object sender, System.EventArgs e)
		{
			setDataGridStyle();
			this.txtYeay.Text=DateTime.Now.Year.ToString();
			string Sql = "select * from Class..SpecialtyInfo";
			if(c.IsExits(Sql)==true)
			{