DesktopModules/Department/UpdateDepartment.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 StudentManager;
using System.Data.SqlClient;

public partial class UpdateDepartment : System.Web.UI.Page
{
	int nDepartmentID = -1;

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

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

		///设置更新按钮的可用性
		UpdateBtn.Enabled = nDepartmentID <= -1 ? false : true;
	}

	private void BindDepartmentData(int nDepartmentID)
	{
		///获取数据
		Department department = new Department();
		SqlDataReader recd = department.GetSingleDepartment(nDepartmentID);

		///读取数据
		if (recd.Read())
		{
			///显示数据
			Desn.Text = recd["Desn"].ToString();
			Body.Text = recd["Body"].ToString();
		}
		recd.Close();          ///关闭数据源
	}

	protected void UpdateBtn_Click(object sender,EventArgs e)
	{
		///如果页面输入内容合法
		if (Page.IsValid == true)
		{
			///定义类