DesktopModules/Grade/AddGrade.aspx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using StudentManager;

public partial class AddGrade : System.Web.UI.Page
{
	protected void Page_Load(object sender,EventArgs e)
	{
		if (!Page.IsPostBack)
		{
			///绑定控件的数据
			BindYearData();
		}

		///设置按钮的可用性
		AddBtn.Enabled = YearDateList.Items.Count > 0 ? true : false;
	}

	private void BindYearData()
	{
		///为年列表添加40个数据项
		YearDateList.Items.Clear();
		for (int i = 0;i < 40;i++)
		{
			YearDateList.Items.Add(new ListItem((1991 + i).ToString()));
		}		
	}

	protected void AddBtn_Click(object sender,EventArgs e)
	{
		///如果页面输入内容合法
		if (Page.IsValid == true)
		{
			///定义类
			StudentManager.Grade grade = new Grade();
			try
			{
				///添加
				grade.AddGrade(Desn.Text.Trim(),Int32.Parse(YearDateList.SelectedItem.Text),
					Int32.Parse(Semester.Text.Trim()));

				///显示操作结果信息
				Response.Write("<script>window.alert('" + ASPNET2System.OPERATIONADDSUCCESSMESSAGE + "')</script>");
			}
			catch (Exception ex)
			{
				///显示添加操作中的失败、错误信息
				Response.Redirect("~/DesktopModules/ErrorPage.aspx?ErrorUrl="
					+ ASPNET2System.RedirectErrorUrl(Request.RawUrl)
					+ "&ErrorMessage=" + ex.Message.Replace("\n"," "));
			}