addstudent.aspx.cs

一个学生管理系统的C++源程序

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 sms
{
	/// <summary>
	/// addstudent 的摘要说明。
	/// </summary>
	public class addstudent : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox Tbx_id;
		protected System.Web.UI.WebControls.TextBox Tbx_name;
		protected System.Web.UI.WebControls.TextBox Tbx_nation;
		protected System.Web.UI.WebControls.TextBox Tbx_birthday;
		protected System.Web.UI.WebControls.TextBox Tbx_time;
		protected System.Web.UI.WebControls.TextBox Tbx_home;
		protected System.Web.UI.WebControls.TextBox Tbx_else;
		protected System.Web.UI.WebControls.DropDownList Ddl_sex;
		protected System.Web.UI.WebControls.Button Btn_ok;
		protected System.Web.UI.WebControls.CustomValidator Cv_id;
		protected System.Web.UI.WebControls.Label Lbl_note;
		protected System.Web.UI.WebControls.Button Btn_reset;
		protected System.Web.UI.WebControls.RequiredFieldValidator Rfv_name;
		protected System.Web.UI.WebControls.RequiredFieldValidator Rfv_id;
		protected System.Web.UI.WebControls.RequiredFieldValidator Rfv_nation;
		protected System.Web.UI.WebControls.RequiredFieldValidator Rfv_birthday;
		protected System.Web.UI.WebControls.RequiredFieldValidator Rfv_time;
		protected System.Web.UI.WebControls.RequiredFieldValidator Rfv_class;
		protected System.Web.UI.WebControls.RequiredFieldValidator Rfv_home;
		protected System.Web.UI.WebControls.DropDownList Ddl_class;
	    SqlConnection cn;
		private void Page_Load(object sender, System.EventArgs e)
		{//班级名称下拉列表框绑定
			string strconn= ConfigurationSettings.AppSettings["dsn"];
			SqlConnection cn0=new SqlConnection(strconn);
			if(!IsPostBack)
			{
				cn0.Open ();
				string mysql="select * from class";
				SqlCommand cm1=new SqlCommand  (mysql,cn0);
				SqlDataReader dr1=cm1.ExecuteReader ();
				while(dr1.Read ())
				{
					Ddl_class.Items .Add (new ListItem(dr1["Class_name"].ToString() ,dr1["Class_id"].ToString()) );
				}
				cn0.Close ();
			}
			// 在此处放置用户代码以初始化页面
			cn=new SqlConnection(strconn);	
		}

		#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.Cv_id.ServerValidate += new System.Web.UI.WebControls.ServerValidateEventHandler(this.Cv_id_ServerValidate);
			this.Btn_ok.Click += new System.EventHandler(this.Btn_ok_Click);
			this.Btn_reset.Click += new System.EventHandler(this.Btn_reset_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Btn_ok_Click(object sender, System.EventArgs e)
		{
			
			SqlCommand cm=new SqlCommand("insert_student_1",cn);
			cm.CommandType=CommandType.StoredProcedure;
			try
			{
			cm.Parameters.Add(new SqlParameter("@Student_id",SqlDbType.VarChar,50));
			cm.Parameters["@Student_id"].Value=Tbx_id.Text;
			cm.Parameters.Add(new SqlParameter("@Student_name",SqlDbType.VarChar,50));
			cm.Parameters["@Student_name"].Value=Tbx_name.Text;
			cm.Parameters.Add(new SqlParameter("@Student_sex",SqlDbType.Char,10));
			cm.Parameters["@Student_sex"].Value=Ddl_sex.SelectedItem.Value;
			cm.Parameters.Add(new SqlParameter("@Student_nation",SqlDbType.Char,10));
			cm.Parameters["@Student_nation"].Value=Tbx_nation.Text;
			cm.Parameters.Add(new SqlParameter("@Student_birthday",SqlDbType.DateTime,8));
			cm.Parameters["@Student_birthday"].Value=Tbx_birthday.Text;
			cm.Parameters.Add(new SqlParameter("@Student_time",SqlDbType.DateTime,8));
			cm.Parameters["@Student_time"].Value=Tbx_time.Text;
			cm.Parameters.Add(new SqlParameter("@Student_classid",SqlDbType.VarChar,50));
			cm.Parameters["@Student_classid"].Value=Ddl_class.SelectedItem.Value;
			cm.Parameters.Add(new SqlParameter("@Student_home",SqlDbType.VarChar,50));
			cm.Parameters["@Student_home"].Value=Tbx_home.Text;
			cm.Parameters.Add(new SqlParameter("@Student_else",SqlDbType.VarChar,50));
			cm.Parameters["@Student_else"].Value=Tbx_else.Text;
			cm.Connection.Open();
			cm.ExecuteNonQuery();
			cm.Connection.Close();
			insert();
			}
			catch
			{
				Lbl_note.Text="添加失败,请检查输入！";
				Lbl_note.Style["color"]="red";
			}

		}
			public void insert()
			{
			string strsl="insert into users(User_id,User_password,User_power) values(@User_id,@User_pwd,0)";
			SqlCommand cm=new SqlCommand(strsl,cn);
			cm.Parameters.Add(new SqlParameter("@User_id",SqlDbType.VarChar,50));
			cm.Parameters["@User_id"].Value=Tbx_id.Text;
			cm.Parameters.Add(new SqlParameter("@User_pwd",SqlDbType.VarChar,50));
			cm.Parameters["@User_pwd"].Value=Tbx_id.Text;
			cm.Connection.Open();
				try
				{
					cm.ExecuteNonQuery();
					Response.Redirect("student.aspx");
				}
				catch(SqlException)
				{
					Lbl_note.Text="添加失败";
					Lbl_note.Style["color"]="red";
				}
			cm.Connection.Close();
		}

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

		private void Cv_id_ServerValidate(object source, System.Web.UI.WebControls.ServerValidateEventArgs args)
		{
			string strconn= ConfigurationSettings.AppSettings["dsn"];
			cn=new SqlConnection(strconn);
			cn.Open();
			SqlCommand cm=new SqlCommand("select_student_1",cn);
			cm.CommandType=CommandType.StoredProcedure;
			cm.Parameters.Add("@Student_id",SqlDbType.VarChar,50);
			cm.Parameters["@Student_id"].Value=Tbx_id.Text;
			SqlDataReader dr=cm.ExecuteReader();
			if(dr.Read())
			{
				args.IsValid=false;
			}
			else
			{
				args.IsValid=true;
			}
			cn.Close();
		}

	}
}