studentsselect.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.CommonClassLibrary;

namespace StudentsMIS.Web.StudentsManagement
{
	/// <summary>
	/// StudentsSelect 的摘要说明。
	/// </summary>
	public partial class StudentsSelect : StudentsMIS.Security.BaseUserPage
	{
    protected System.Web.UI.WebControls.RadioButtonList radioBtnLstSex;

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

    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)
      {
        if(Request["student_id"]!=null && Request["student_id"].ToString().Trim()!="")
        {
          Bind_StudentInfo(Request["student_id"].ToString().Trim());
        }
      }      
		}

    private void Bind_StudentInfo(string studentID)
    {
      entity = (StudentEntity)manager.Select(studentID);
      if(entity.StudentName=="")
      {
        ShowMessage("对不起,不存在此学生记录!请重新输入.");
      }
      txtStudentID.Text = studentID;
      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());        
      }
    }
	}
}