信息更新.cs

用c#编写的一个学生信息管理系统

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


namespace student
{
	/// <summary>
	/// 信息更新 的摘要说明。
	/// </summary>
	public class 信息更新 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Panel panel1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Panel panel2;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.TextBox textBox2;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.TextBox textBox3;
		private System.Windows.Forms.Label label5;
		private System.Windows.Forms.TextBox textBox4;
		private System.Windows.Forms.Label label6;
		private System.Windows.Forms.TextBox textBox5;
		private System.Windows.Forms.Button button1;
		/// <summary>
		/// 必需的设计器变量。
		/// </summary>
		private System.ComponentModel.Container components = null;

		public 信息更新()
		{
			//
			// 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 Form Designer generated code
		/// <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.label1 = new System.Windows.Forms.Label();
			this.panel2 = new System.Windows.Forms.Panel();
			this.label2 = new System.Windows.Forms.Label();
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.label3 = new System.Windows.Forms.Label();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.label4 = new System.Windows.Forms.Label();
			this.textBox3 = new System.Windows.Forms.TextBox();
			this.label5 = new System.Windows.Forms.Label();
			this.textBox4 = new System.Windows.Forms.TextBox();
			this.label6 = new System.Windows.Forms.Label();
			this.textBox5 = new System.Windows.Forms.TextBox();
			this.button1 = new System.Windows.Forms.Button();
			this.panel1.SuspendLayout();
			this.panel2.SuspendLayout();
			this.SuspendLayout();
			// 
			// panel1
			// 
			this.panel1.Controls.AddRange(new System.Windows.Forms.Control[] {
																				 this.label1});
			this.panel1.Location = new System.Drawing.Point(24, 8);
			this.panel1.Name = "panel1";
			this.panel1.Size = new System.Drawing.Size(368, 56);
			this.panel1.TabIndex = 0;
			// 
			// label1
			// 
			this.label1.Font = new System.Drawing.Font("华文行楷", 21.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
			this.label1.ForeColor = System.Drawing.Color.Red;
			this.label1.Location = new System.Drawing.Point(16, 8);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(328, 40);
			this.label1.TabIndex = 0;
			this.label1.Text = "请输入相关信息";
			// 
			// panel2
			// 
			this.panel2.Controls.AddRange(new System.Windows.Forms.Control[] {
																				 this.button1,
																				 this.textBox5,
																				 this.label6,
																				 this.textBox4,
																				 this.label5,
																				 this.textBox3,
																				 this.label4,
																				 this.textBox2,
																				 this.label3,
																				 this.textBox1,
																				 this.label2});
			this.panel2.Location = new System.Drawing.Point(24, 72);
			this.panel2.Name = "panel2";
			this.panel2.Size = new System.Drawing.Size(368, 176);
			this.panel2.TabIndex = 1;
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(16, 24);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(88, 24);
			this.label2.TabIndex = 0;
			this.label2.Text = "姓名：";
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(104, 24);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(80, 21);
			this.textBox1.TabIndex = 1;
			this.textBox1.Text = "";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(16, 72);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(72, 24);
			this.label3.TabIndex = 2;
			this.label3.Text = "学号：";
			// 
			// textBox2
			// 
			this.textBox2.Location = new System.Drawing.Point(104, 72);
			this.textBox2.Name = "textBox2";
			this.textBox2.Size = new System.Drawing.Size(80, 21);
			this.textBox2.TabIndex = 3;
			this.textBox2.Text = "";
			// 
			// label4
			// 
			this.label4.Location = new System.Drawing.Point(24, 120);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(72, 24);
			this.label4.TabIndex = 4;
			this.label4.Text = "性别：";
			// 
			// textBox3
			// 
			this.textBox3.Location = new System.Drawing.Point(104, 120);
			this.textBox3.Name = "textBox3";
			this.textBox3.Size = new System.Drawing.Size(80, 21);
			this.textBox3.TabIndex = 5;
			this.textBox3.Text = "";
			// 
			// label5
			// 
			this.label5.Location = new System.Drawing.Point(192, 24);
			this.label5.Name = "label5";
			this.label5.Size = new System.Drawing.Size(64, 24);
			this.label5.TabIndex = 6;
			this.label5.Text = "年龄：";
			// 
			// textBox4
			// 
			this.textBox4.Location = new System.Drawing.Point(280, 24);
			this.textBox4.Name = "textBox4";
			this.textBox4.Size = new System.Drawing.Size(80, 21);
			this.textBox4.TabIndex = 7;
			this.textBox4.Text = "";
			// 
			// label6
			// 
			this.label6.Location = new System.Drawing.Point(192, 72);
			this.label6.Name = "label6";
			this.label6.Size = new System.Drawing.Size(64, 24);
			this.label6.TabIndex = 8;
			this.label6.Text = "所在系：";
			// 
			// textBox5
			// 
			this.textBox5.Location = new System.Drawing.Point(280, 72);
			this.textBox5.Name = "textBox5";
			this.textBox5.Size = new System.Drawing.Size(80, 21);
			this.textBox5.TabIndex = 9;
			this.textBox5.Text = "";
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(232, 120);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(80, 24);
			this.button1.TabIndex = 10;
			this.button1.Text = "修改";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// 信息更新
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
			this.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(128)), ((System.Byte)(128)), ((System.Byte)(255)));
			this.ClientSize = new System.Drawing.Size(408, 258);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.panel2,
																		  this.panel1});
			this.Name = "信息更新";
			this.Text = "信息更新";
			this.panel1.ResumeLayout(false);
			this.panel2.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

		private void button1_Click(object sender, System.EventArgs e)
		{
			try
			{
				int i=0;
				string hostname=System.Net.Dns.GetHostName();
				string cnStr="Integrated Security=SSPI;Persist Security Info=False;password=;" 
					+"Initial Catalog=学生信息管理系统;Data Source='"+hostname+"'";
				SqlConnection cn=new SqlConnection(cnStr);
				cn.Open();
				string sqlStr="select * from xs";
				SqlCommand cmd=new SqlCommand(sqlStr,cn);
				SqlDataAdapter myDataAdapter=new SqlDataAdapter();
				myDataAdapter.SelectCommand=cmd;					

				DataSet ds=new DataSet();
				myDataAdapter.Fill(ds);		
				SqlCommandBuilder custCB=new SqlCommandBuilder(myDataAdapter);
				DataRow myDataRow=ds.Tables[0].NewRow();
				foreach(DataRow dr in ds.Tables[0].Rows)
				{
					if(dr["sno"].ToString().Trim()==textBox2.Text&&dr["sname"].ToString().Trim()==textBox1.Text)
					{
						dr["sno"]=textBox2.Text;
						dr["sname"]=textBox1.Text;
						dr["sex"]=textBox3.Text;
						dr["age"]=textBox4.Text;
						dr["sdept"]=textBox5.Text;								
						myDataAdapter.Update(ds);
						MessageBox.Show("更改成功!");
						i=1;
						break;
					}
				}			
			
				if(i==0)
				{
					MessageBox.Show("输入错误!");
				}					
				cn.Close();	
			}
			catch(SqlException)
			{
				MessageBox.Show("输入错误！");
			}
		}
	}
}