st_addstudent.aspx.cs.bak

一个学生管理系统

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
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;

namespace STGROUP
{
	/// <summary>
	/// ST_addstudent 的摘要说明。
	/// </summary>
	public class ST_addstudent : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox st_tbx_id;
		protected System.Web.UI.WebControls.TextBox st_tbx_name;
		protected System.Web.UI.WebControls.TextBox st_tbx_nation;
		protected System.Web.UI.WebControls.TextBox st_tbx_birthst_day;
		protected System.Web.UI.WebControls.TextBox st_tbx_time;
		protected System.Web.UI.WebControls.TextBox st_tbx_home;
		protected System.Web.UI.WebControls.TextBox st_tbx_else;
		protected System.Web.UI.WebControls.DropDownList st_ddl_sex;
		protected System.Web.UI.WebControls.Button st_btn_ok;
		protected System.Web.UI.WebControls.CustomValidator st_cv_id;
		protected System.Web.UI.WebControls.Label st_lbl_note;
		protected System.Web.UI.WebControls.Button st_btn_reset;
		protected System.Web.UI.WebControls.RequiredFieldValidator st_rfv_name;
		protected System.Web.UI.WebControls.RequiredFieldValidator st_rfv_id;
		protected System.Web.UI.WebControls.RequiredFieldValidator st_rfv_nation;
		protected System.Web.UI.WebControls.RequiredFieldValidator st_rfv_birthst_day;
		protected System.Web.UI.WebControls.RequiredFieldValidator st_rfv_time;
		protected System.Web.UI.WebControls.RequiredFieldValidator st_rfv_class;
		protected System.Web.UI.WebControls.RequiredFieldValidator st_rfv_home;
		protected System.Web.UI.WebControls.DropDownList st_ddl_class;
	    SqlConnection st_conn;
		private void Page_Load(object sender, System.EventArgs e)
		{//班级名称下拉列表框绑定
			string st_connstr= ConfigurationSettings.AppSettings["st_dbconn"];
			SqlConnection st_conn1=new SqlConnection(st_connstr);
			if(!IsPostBack)
			{
				st_conn1.Open ();
				//查询所有的班级名称
				string mysql="select * from ST_class";
				SqlCommand st_comm1=new SqlCommand  (mysql,st_conn1);
				SqlDataReader st_dr1=st_comm1.ExecuteReader ();
				//将查出的班级作为下拉列表的数据项
				while(st_dr1.Read ())
				{
					st_ddl_class.Items .Add (new ListItem(st_dr1["ST_Class_name"].ToString() ,st_dr1["ST_Class_id"].ToString()) );
				}
				st_conn1.Close ();
			}
			// 在此处放置用户代码以初始化页面
			st_conn=new SqlConnection(st_connstr);	
		}

		#region Web Form Designer generated code
		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.st_btn_ok.Click += new System.EventHandler(this.st_btn_ok_Click);
			this.st_btn_reset.Click += new System.EventHandler(this.st_btn_reset_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void st_btn_ok_Click(object sender, System.EventArgs e)
		{
			SqlCommand st_comm=new SqlCommand("insert_student_1",st_conn);
			st_comm.CommandType=CommandType.StoredProcedure;
			try
			{
			st_comm.Parameters.Add(new SqlParameter("@Student_id",SqlDbType.VarChar,50));
			st_comm.Parameters["@Student_id"].Value=st_tbx_id.Text;
			st_comm.Parameters.Add(new SqlParameter("@Student_name",SqlDbType.VarChar,50));
			st_comm.Parameters["@Student_name"].Value=st_tbx_name.Text;
			st_comm.Parameters.Add(new SqlParameter("@Student_sex",SqlDbType.Char,10));
			st_comm.Parameters["@Student_sex"].Value=st_ddl_sex.SelectedItem.Value;
			st_comm.Parameters.Add(new SqlParameter("@Student_nation",SqlDbType.Char,10));
			st_comm.Parameters["@Student_nation"].Value=st_tbx_nation.Text;
			st_comm.Parameters.Add(new SqlParameter("@Student_birthday",SqlDbType.DateTime,8));
			st_comm.Parameters["@Student_birthday"].Value=st_tbx_birthst_day.Text;
			st_comm.Parameters.Add(new SqlParameter("@Student_time",SqlDbType.DateTime,8));
			st_comm.Parameters["@Student_time"].Value=st_tbx_time.Text;
			st_comm.Parameters.Add(new SqlParameter("@Student_classid",SqlDbType.VarChar,50));
			st_comm.Parameters["@Student_classid"].Value=st_ddl_class.SelectedItem.Value;
			st_comm.Parameters.Add(new SqlParameter("@Student_home",SqlDbType.VarChar,50));
			st_comm.Parameters["@Student_home"].Value=st_tbx_home.Text;
			st_comm.Parameters.Add(new SqlParameter("@Student_else",SqlDbType.VarChar,50));
			st_comm.Parameters["@Student_else"].Value=st_tbx_else.Text;
			st_comm.Connection.Open();
			st_comm.ExecuteNonQuery();
			st_comm.Connection.Close();
			st_insert();
			}
			catch
			{
				st_lbl_note.Text="添加失败,请检查输入！";
				st_lbl_note.Style["color"]="red";
			}

		}
			public void st_insert()
			{
			string strsl="insert into ST_users(ST_User_id,ST_User_password,ST_User_power) values(@User_id,@User_pwd,0)";
			SqlCommand st_comm=new SqlCommand(strsl,st_conn);
			st_comm.Parameters.Add(new SqlParameter("@User_id",SqlDbType.VarChar,50));
			st_comm.Parameters["@User_id"].Value=st_tbx_id.Text;
			st_comm.Parameters.Add(new SqlParameter("@User_pwd",SqlDbType.VarChar,50));
			st_comm.Parameters["@User_pwd"].Value=st_tbx_id.Text;
			st_comm.Connection.Open();
				try
				{
					st_comm.ExecuteNonQuery();
					Response.Redirect("ST_student.aspx");
				}
				catch(SqlException)
				{
					st_lbl_note.Text="添加失败";
					st_lbl_note.Style["color"]="red";
				}
			st_comm.Connection.Close();
		}

		private void st_btn_reset_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("ST_addstudent.aspx");
		}

		private void st_cv_id_ServerValidate(object source, System.Web.UI.WebControls.ServerValidateEventArgs args)
		{
			string st_connstr= ConfigurationSettings.AppSettings["st_dbconn"];
			st_conn=new SqlConnection(st_connstr);
			st_conn.Open();
			SqlCommand st_comm=new SqlCommand("select_student_1",st_conn);
			st_comm.CommandType=CommandType.StoredProcedure;
			st_comm.Parameters.Add("@Student_id",SqlDbType.VarChar,50);
			st_comm.Parameters["@Student_id"].Value=st_tbx_id.Text;
			SqlDataReader st_dr=st_comm.ExecuteReader();
			if(st_dr.Read())
			{
				args.IsValid=false;
			}
			else
			{
				args.IsValid=true;
			}
			st_conn.Close();
		}

	}
}