add_newstudent.aspx.cs

毕业设计题目,学生成绩查询系统,包括管理员和普通用户两级管理

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;

namespace StudentScroeQuery.Admin
{
	/// <summary>
	/// add_newstudent 的摘要说明。
	/// </summary>
	public class add_newstudent : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.Label labmsg;
		protected System.Web.UI.WebControls.TextBox TextBox1;
		protected System.Web.UI.WebControls.TextBox txtemail;
		protected System.Web.UI.WebControls.TextBox txtanswer;
		protected System.Web.UI.WebControls.TextBox txtquestion;
		protected System.Web.UI.WebControls.TextBox txtaddress;
		protected System.Web.UI.WebControls.DropDownList drpday;
		protected System.Web.UI.WebControls.DropDownList drpmonth;
		protected System.Web.UI.WebControls.DropDownList drpyear;
		protected System.Web.UI.WebControls.TextBox txtnation;
		protected System.Web.UI.WebControls.RadioButtonList RadioButtonList1;
		protected System.Web.UI.WebControls.TextBox txtname;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator2;
		protected System.Web.UI.WebControls.RegularExpressionValidator RegularExpressionValidator1;
		protected System.Web.UI.WebControls.RegularExpressionValidator RegularExpressionValidator2;
		protected System.Web.UI.WebControls.TextBox txtnum;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(!this.IsPostBack)
			{
				binddrpyear();
				binddrpmonth();
				binddrpday(Convert.ToInt32(this.drpyear.SelectedValue),Convert.ToInt32(this.drpmonth.SelectedValue));
			}
		}
		//得到年从1900至今的总年数
		void binddrpyear()
		{
			for(int i=1900;i<=DateTime.Now.Year;i++)
			{
				this.drpyear.Items.Add(i.ToString());
									

			}
			
		}
		void binddrpmonth()
		{
			for(int i=1;i<=12;i++)
			{
				this.drpmonth.Items.Add(i.ToString());
			}
		}

	
		void binddrpday(int year,int month)
		{
			bool bl0=year % 4==0;
			bool bl1=year % 400==0;
			int[] array1={1,3,5,7,8,10,12};
			int[] array2={2,4,6,8,9,11};
			if(month==2)
			{
				if(bl0==true || bl1==true)
				{
					for(int i=1;i<30;i++)
					{
						this.drpday.Items.Add(i.ToString());
					}
				}
				else
				{
					for(int i=1;i<29;i++)
					{
						this.drpday.Items.Add(i.ToString());
					}

				}
			}
			else if(month==1|| month==3 || month==5 || month==7 || month==8 || month==10 || month==12)
			{
				for(int i=1;i<32;i++)
				{
					this.drpday.Items.Add(i.ToString());
				}
			}
			else
			{
				for(int i=1;i<31;i++)
				{
					this.drpday.Items.Add(i.ToString());
				}
			}
				
			
		}
		
		#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.drpyear.SelectedIndexChanged += new System.EventHandler(this.drpyear_SelectedIndexChanged);
			this.drpmonth.SelectedIndexChanged += new System.EventHandler(this.drpmonth_SelectedIndexChanged);
			this.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Button1_Click(object sender, System.EventArgs e)
		{
			int num=Convert.ToInt32(txtnum.Text);
			string name=txtname.Text;
			string password=num.ToString();
			DateTime birth=new DateTime(Convert.ToInt32(drpyear.SelectedValue),Convert.ToInt32(drpmonth.SelectedValue),Convert.ToInt32(drpday.SelectedValue));
			//判断学号是否已经存在了
			if(new BLL.Student_bll().NumExsited(num))
			{
				Response.Write("<script>alert('该学号已经存在!')</script>");
				return;
			}
			try
			{
				new BLL.Student_bll().add_newstudent(num,name,password,birth);
				labmsg.Text="添加成功！";
			}
			catch(Exception ex)
			{
				labmsg.Text=ex.Message;

			}
		}

		private void drpyear_SelectedIndexChanged(object sender, System.EventArgs e)
		{	
			this.drpday.Items.Clear();
			binddrpday(Convert.ToInt32(this.drpyear.SelectedValue),Convert.ToInt32(this.drpmonth.SelectedValue));
		}

		private void drpmonth_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			this.drpday.Items.Clear();
			binddrpday(Convert.ToInt32(this.drpyear.SelectedValue),Convert.ToInt32(this.drpmonth.SelectedValue));
		}
	}
}