stu_mod.aspx.cs

毕业设计关系b/s系统 毕业设计管理工作 毕业设计管理数据

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Configuration ;
using System.Data .OleDb ;
using System.Data.SqlClient  ;

namespace graduate.stu
{
	/// <summary>
	/// stu_info 的摘要说明。
	/// </summary>
	public class stu_info : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox textbox_tel;
		protected System.Web.UI.WebControls.TextBox textbox_mail;
		protected System.Web.UI.WebControls.Label lab_xh;
		protected System.Web.UI.WebControls.Label lab_name;
		protected System.Web.UI.WebControls.Label lab_year;
		protected System.Web.UI.WebControls.Label lab_class;
		protected System.Web.UI.WebControls.Label lab_xf;
		protected System.Web.UI.WebControls.Button tj;
		string sql="";
		string studentid="";
		string myConnString=ConfigurationSettings.AppSettings ["SQLconnectionString"];
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			tj.Attributes .Add ("onclick","return confirm_1();");
			
			Session["studentid"] = "10001";
			studentid=Convert.ToString (Session["studentid"]);
			
			if(!IsPostBack)
			{
				SqlConnection conn = new SqlConnection(myConnString);
				sql="select studentid,studentname,credit,enteryear,telephone,email,classname  from BYSJ.studentbaseinfo a , bysj.classinfo b where studentid='"+studentid+"' and a.classid=b.classid";
				try
				{
					conn.Open();
					SqlDataAdapter adapter1 = new  SqlDataAdapter(sql, conn);
					DataSet cla=new DataSet ();
					adapter1.Fill(cla);
					lab_xh.Text  = Convert.ToString (cla.Tables ["table"].Rows [0].ItemArray [0]);
					lab_name.Text =Convert.ToString (cla.Tables ["table"].Rows[0].ItemArray [1]);
					lab_class.Text =Convert.ToString (cla.Tables ["table"].Rows[0].ItemArray [6]);
					lab_year.Text = Convert.ToString (cla.Tables ["table"].Rows [0].ItemArray [3]);
					lab_xf.Text =Convert.ToString (cla.Tables ["table"].Rows[0].ItemArray [2]);
					textbox_tel.Text = Convert.ToString (cla.Tables ["table"].Rows [0].ItemArray [4]);
					textbox_mail.Text = Convert.ToString (cla.Tables ["table"].Rows [0].ItemArray [5]);
				}
				catch(SqlException ex)
				{
					Response.Write ("<script>");
					Response.Write ("alert('数据库连接出错！')");
					Response.Write ("</script>");
				}
				finally
				{
					conn.Close ();
				}
			}
		}

		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <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.tj.Click += new System.EventHandler(this.tj_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void tj_Click(object sender, System.EventArgs e)
		{
			string tel=textbox_tel.Text .ToString ()  ;
			string mail=textbox_mail.Text.Trim () ;
				
			SqlConnection conn = new SqlConnection(myConnString);
			try
			{
				conn.Open();
				sql="update bysj.studentbaseinfo set telephone='"+tel+"',email='"+mail+"' where studentid='"+studentid+"'";
				SqlCommand cmd = new  SqlCommand (sql,conn);
				cmd.CommandText =sql;
				cmd.ExecuteNonQuery ();
					
				Response.Write ("<script>");
				Response.Write ("alert('修改成功！');");
				Response.Write("window.close();");
				Response.Write("</script>");
					
			}
			catch(SqlException ex)
			{
				Response.Write ("<script>");
				Response.Write ("alert('数据库连接出错！')");
				Response.Write ("</script>");
			}
			finally
			{
				conn.Close ();
			}
		}
	}
}