studentsupdate.aspx.cs

c#开发宝典 光盘内容。本光盘主要为书中的源程序

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 StudentsMIS.Business;
using StudentsMIS.DataAccess;
using StudentsMIS.CommonClassLibrary;

namespace StudentsMIS.Web.StudentsManagement
{
	/// <summary>
	/// StudentsUpdate 的摘要说明。
	/// </summary>
	public partial class StudentsUpdate : StudentsMIS.Security.BaseUserPage
	{

    private StudentManager manager = new StudentManager();
    private StudentEntity entity = new StudentEntity();

    private void ShowMessage(string msg)
    {
      msg = msg.Replace("\'",@"\'").Replace('\"','\"');
      Response.Write("<script defer language='javascript'>alert('" + msg + "')</script>");
    }
  
		protected void Page_Load(object sender, System.EventArgs e)
		{
      if(!Page.IsPostBack)
      {
        BindDownList.Bind_CollegeList(ddListCollege);
        BindDownList.Bind_SpecialityList(ddListSpeciality,ddListCollege.SelectedValue.Trim());
        BindDownList.Bind_ClassList(ddListClass,ddListSpeciality.SelectedValue.Trim());
        BindDownList.Bind_EnterYearList(ddListEnterYear);
        BindDownList.Bind_BirthdayYearList(ddListBirthdayYear);
        BindDownList.Bind_BirthdayMonthList(ddListBirthdayMonth);
        BindDownList.Bind_BirthdayDayList(ddListBirthdayDay,ddListBirthdayYear.SelectedItem.Text.Trim(),ddListBirthdayMonth.SelectedItem.Text.Trim());
        if(Request["student_id"]!=null && Request["student_id"].ToString().Trim()!="")
        {
          Bind_StudentInfo(Request["student_id"].ToString().Trim());
        }
      }      
		}

    private void Bind_StudentInfo(string id)
    {
      entity = (StudentEntity)manager.Select(id);
      if(entity.StudentName=="")
      {
        ShowMessage("对不起,不存在此学生记录!请重新输入.");
        return;
      }
      txtStudentID.Text = entity.StudentID;
      txtStudentName.Text = entity.StudentName;
      radioBtnLstSex.SelectedValue = entity.StudentSex;
      txtStudentIDCardNum.Text = entity.StudentIDCardNum;
      ddListCollege.SelectedValue = entity.StudentCollegeID;
      ddListSpeciality.SelectedValue = entity.StudentSpecialityID;
      ddListClass.SelectedValue = entity.StudentClass;
      ddListEnterYear.SelectedValue = entity.StudentEnterYear;
      ddListStuType.SelectedValue = entity.StudentStuType;
      ddListBirthdayYear.SelectedValue = entity.StudentBirthday.Year.ToString();
      ddListBirthdayMonth.SelectedValue = entity.StudentBirthday.Month.ToString();
      ddListBirthdayDay.SelectedValue = entity.StudentBirthday.Day.ToString();
      txtNative.Text = entity.StudentNative;
      txtHomeAdd.Text = entity.StudentHomeAdd;
      txtHomeTel.Text = entity.StudentHomeTel;
      txtFlatTel.Text = entity.StudentFlatTel;
      txtMobile.Text = entity.StudentMobile;
      txtEmail.Text = entity.StudentEmail;
      this.DataBind();
    }

		#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()
		{    

    }
		#endregion

    protected void btnSerch_Click(object sender, System.EventArgs e)
    {
      if(!StringValidation.isLengthSetNumString(txtStudentID.Text.Trim(),8))
      {
        ShowMessage("输入的学号必须是8位数字!");
        return;
      }
      else
      {
        Bind_StudentInfo(txtStudentID.Text.Trim());        
      }
    }

    protected void btnSubmit_Click(object sender, System.EventArgs e)
    {
      //验证输入的学号
      if(!StringValidation.isLengthSetNumString(txtStudentID.Text.Trim(),8))
      {
        ShowMessage("输入的学号必须是8位数字!");
        return;
      }
      else
      {
        entity.StudentID = txtStudentID.Text.Trim();
      }
      
      //验证输入的姓名
      if(txtStudentName.Text.Trim() == "")
      {
        ShowMessage("请输入学生姓名");
        return;
      }
      else
      {
        entity.StudentName = txtStudentName.Text.Trim();
      }

      entity.StudentSex = radioBtnLstSex.SelectedValue.Trim();

      //验证中国身份证号
      if(!StringValidation.isChinaIDCardNumString(txtStudentIDCardNum.Text.Trim()))
      {
        ShowMessage("您输入学生身份证号码必须是18或15位数字!");
        return;
      }
      else
      {
        entity.StudentIDCardNum = txtStudentIDCardNum.Text.Trim();
      }

      //验证学院选择
      if(ddListCollege.SelectedValue.Trim()=="0")
      {
        ShowMessage("请选择学生所在学院!");
        return;
      }

      //验证专业选择
      if(ddListSpeciality.SelectedValue.Trim()=="0")
      {
        ShowMessage("请选择学生所学专业!");
        return;
      }

      //验证学生所在班级
      if(ddListClass.SelectedValue.Trim() == "0")
      {
        ShowMessage("请选择学生所在班级!");
        return;
      }
      else
      {
        entity.StudentClass = ddListClass.SelectedValue.Trim();
      }

      if(txtEmail.Text.Trim()!="" && !StringValidation.isEmailString(txtEmail.Text.Trim()))
      {
        ShowMessage("您输入的电子邮件格式不是正确的格式,请重新输入!");
        return;
      }

      entity.StudentEnterYear = ddListEnterYear.SelectedValue.Trim();
      entity.StudentStuType = ddListStuType.SelectedValue.Trim();
      entity.StudentBirthday = System.DateTime.Parse(ddListBirthdayYear.SelectedItem.Text.Trim() + "-" + ddListBirthdayMonth.SelectedItem.Text.Trim() + "-" + ddListBirthdayDay.SelectedItem.Text.Trim());
      entity.StudentNative = txtNative.Text.Trim();
      entity.StudentHomeAdd = txtHomeAdd.Text.Trim();
      entity.StudentHomeTel = txtHomeTel.Text.Trim();
      entity.StudentFlatTel = txtFlatTel.Text.Trim();
      entity.StudentMobile = txtMobile.Text.Trim();
      entity.StudentEmail = txtEmail.Text.Trim();

      try
      {
        if(manager.Update(entity)==0)
        {
          ShowMessage("不存在该学号的记录,请重新输入!");
        }
        else
        {
          ShowMessage("学生信息修改成功!");
        }
      }
      catch(Exception e1)
      {
        ShowMessage(e1.Message);
      }
    }

    protected void ddListCollege_SelectedIndexChanged(object sender, System.EventArgs e)
    {
      BindDownList.Bind_SpecialityList(ddListSpeciality,ddListCollege.SelectedValue.Trim());
    }

    protected void ddListSpeciality_SelectedIndexChanged(object sender, System.EventArgs e)
    {
      BindDownList.Bind_ClassList(ddListClass,ddListSpeciality.SelectedValue.Trim());
    }

    protected void ddListBirthdayMonth_SelectedIndexChanged(object sender, System.EventArgs e)
    {
      BindDownList.Bind_BirthdayDayList(ddListBirthdayDay,ddListBirthdayYear.SelectedItem.Text.Trim(),ddListBirthdayMonth.SelectedItem.Text.Trim());
    }
	}
}