form3.cs

学生信息管理系统

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


namespace WindowsApplication1
{
	/// <summary>
	/// Form3 的摘要说明。
	/// </summary>
	public class Form3 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.DataGrid dataGrid1;
		private System.Windows.Forms.TextBox textBox1;
		
	
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form3()
		{
			//
			// 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.label1 = new System.Windows.Forms.Label();
			this.label2 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.button1 = new System.Windows.Forms.Button();
			this.button2 = new System.Windows.Forms.Button();
			this.dataGrid1 = new System.Windows.Forms.DataGrid();
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).BeginInit();
			this.SuspendLayout();
			// 
			// label1
			// 
			this.label1.Font = new System.Drawing.Font("楷体_GB2312", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label1.Location = new System.Drawing.Point(8, 8);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(552, 32);
			this.label1.TabIndex = 0;
			this.label1.Text = "学生信息查询";
			this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(8, 120);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(456, 96);
			this.label2.TabIndex = 1;
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(16, 56);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(80, 24);
			this.label3.TabIndex = 2;
			this.label3.Text = "请输入学号：";
			this.label3.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(104, 56);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(88, 21);
			this.textBox1.TabIndex = 3;
			this.textBox1.Text = "";
			this.textBox1.TextChanged += new System.EventHandler(this.textBox1_TextChanged);
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(248, 56);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(80, 24);
			this.button1.TabIndex = 4;
			this.button1.Text = "查询";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(416, 56);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(80, 24);
			this.button2.TabIndex = 5;
			this.button2.Text = "关闭";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// dataGrid1
			// 
			this.dataGrid1.DataMember = "";
			this.dataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText;
			this.dataGrid1.Location = new System.Drawing.Point(0, 88);
			this.dataGrid1.Name = "dataGrid1";
			this.dataGrid1.Size = new System.Drawing.Size(568, 96);
			this.dataGrid1.TabIndex = 6;
			this.dataGrid1.Navigate += new System.Windows.Forms.NavigateEventHandler(this.dataGrid1_Navigate);
			// 
			// Form3
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.ClientSize = new System.Drawing.Size(568, 181);
			this.Controls.Add(this.dataGrid1);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.textBox1);
			this.Controls.Add(this.label3);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.label1);
			this.Name = "Form3";
			this.Text = "查询记录";
			this.Load += new System.EventHandler(this.Form3_Load);
			((System.ComponentModel.ISupportInitialize)(this.dataGrid1)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		private void Form3_Load(object sender, System.EventArgs e)
		{
		
		}

		private void button1_Click(object sender, System.EventArgs e)
		{  
			string sno=textBox1.Text;	     
			SqlConnection MyConnection=new SqlConnection("workstation id=8FB25E96FF90450;packet size=4096;integrated security=SSPI;data sou" +
				"rce=8FB25E96FF90450;persist security info=False;initial catalog=celery");//定义一个数据连接实例 
			SqlDataAdapter SelectAdapter=new SqlDataAdapter();//定义一个数据适配器 
			SqlCommand MyCommand=new SqlCommand("select * from student where 学号="+sno+"",MyConnection);
			SelectAdapter.SelectCommand=MyCommand;
			DataSet MyDataSet=new DataSet();
			MyConnection.Open();//打开数据库连接 
			SelectAdapter.SelectCommand.ExecuteNonQuery();
			MyConnection.Close();//关闭数据库 
			SelectAdapter.Fill(MyDataSet);
			dataGrid1.DataSource=MyDataSet; 
		}
			
		private void textBox1_TextChanged(object sender, System.EventArgs e)
		{
		
		}

		private void dataGrid1_Navigate(object sender, System.Windows.Forms.NavigateEventArgs ne)
		{
		
		}

		private void sqlDataAdapter1_RowUpdated(object sender, System.Data.SqlClient.SqlRowUpdatedEventArgs e)
		{
		
		}

		private void sqlDataAdapter1_RowUpdated_1(object sender, System.Data.SqlClient.SqlRowUpdatedEventArgs e)
		{
		
		}

		private void sqlConnection1_InfoMessage(object sender, System.Data.SqlClient.SqlInfoMessageEventArgs e)
		{
		
		}

		private void sqlDataAdapter1_RowUpdated_2(object sender, System.Data.SqlClient.SqlRowUpdatedEventArgs e)
		{
		
		}

		private void button2_Click(object sender, System.EventArgs e)
		{
		
		}     
	}
}