DesktopModules/Grade/UpdateGrade.aspx.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

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 UpdateGrade : System.Web.UI.Page
{
	int nGradeID = -1;

	protected void Page_Load(object sender,EventArgs e)
	{
		///获取ID的值
		if (Request.Params["GradeID"] != null)
		{
			nGradeID = Int32.Parse(Request.Params["GradeID"].ToString());
		}

		if (!Page.IsPostBack)
		{
			///绑定控件的数据
			BindYearData();
			if (nGradeID > -1)
			{
				BindGradeData(nGradeID);
			}
		}

		///设置按钮的可用性
		UpdateBtn.Enabled = YearDateList.Items.Count > 0 && nGradeID >= 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()));
		}
	}

	private void BindGradeData(int nGradeID)
	{
		///获取数据
		Grade grade = new Grade();
		SqlDataReader recg = grade.GetSingleGrade(nGradeID);

		///读取数据
		if (recg.Read())
		{
			///显示数据
			Desn.Text = recg["Desn"].ToString();