userupdate.aspx.cs

C#2005 实例源代码

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 MyOA.BusinessLogicLayer;
using MyOA.DataAccessHelper;

namespace MyOA.Web
{
	/// <summary>
	/// UserUpdate 的摘要说明。
	/// </summary>
	public partial class UserUpdate : System.Web.UI.Page
	{
	
		/// <summary>
		/// 页面加载事件
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		protected void Page_Load(object sender, System.EventArgs e)
		{
			if(!IsPostBack)
				InitData();
		}

		#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()
		{    
			this.ImageButtonSave.Click += new System.Web.UI.ImageClickEventHandler(this.ImageButtonSave_Click);
			this.ImageButtonBack.Click += new System.Web.UI.ImageClickEventHandler(this.ImageButtonBack_Click);

		}
		#endregion

		/// <summary>
		/// 初始化页面数据
		/// </summary>
		private void InitData()
		{
			string loginName=Request.QueryString["login_name"].ToString();
			User user=new User();
			user.LoadData(loginName);

			if(user.Exist)
			{
				TextBoxLoginName.Text=user.LoginName;
				TextBoxUserName.Text=user.UserName;
				
				//初始化：部门下拉框中的数据，用Department表中的数据进行绑定
				DataTable dt= Department.Query(new Hashtable());
				foreach(DataRow dr in dt.Rows)
				{
					DropDownListDepartment.Items.Add(new ListItem(dr["DepartmentName"].ToString(),dr["DepartmentId"].ToString()));
				}
				foreach(ListItem item in DropDownListDepartment.Items)
				{
					if(item.Text==user.Department)
					{
						item.Selected=true;
						break;
					}
				}

				//初始化：角色下拉框中的数据，用Role表中的数据进行绑定
				dt= Role.Query(new Hashtable());
				foreach(DataRow dr in dt.Rows)
				{
					DropDownListRole.Items.Add(new ListItem(dr["RoleName"].ToString(),dr["RoleId"].ToString()));
				}
				foreach(ListItem item in DropDownListRole.Items)
				{
					if(item.Text==user.Role)
					{
						item.Selected=true;
						break;
					}
				}
			}
		}

		/// <summary>
		/// “保存”按钮单击事件
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void ImageButtonSave_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			//构造user信息哈希表
			Hashtable ht=new Hashtable();
			ht.Add("DepartmentId",DropDownListDepartment.SelectedValue);
			ht.Add("RoleId",DropDownListRole.SelectedValue);

			string where="Where LoginName = "+SqlStringConstructor.GetQuotedString(Request.QueryString["login_name"].ToString());
			MyOA.BusinessLogicLayer.User.Update(ht,where);
		}

		/// <summary>
		/// “返回”按钮单击事件
		/// </summary>
		/// <param name="sender"></param>
		/// <param name="e"></param>
		private void ImageButtonBack_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			Response.Redirect("UserList.aspx");
		}

		protected void TextBoxUserName_TextChanged(object sender, System.EventArgs e)
		{
		
		}
	}
}