task.aspx.cs

一个采用VS2008+Sql2000开发的任务管理系统

using System;
using System.Text;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.Mail;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using BronzeMonkey.GeneralTaskList;

namespace BronzeMonkey.GeneralTaskList
{
	/// <summary>
	/// Summary description for Task.
	/// </summary>
	public partial class Task : System.Web.UI.Page
	{
		
		private BronzeMonkey.GeneralTaskList.TaskList tl = new BronzeMonkey.GeneralTaskList.TaskList();
		private UserInformation CurrentUser = new UserInformation();

		protected void Page_Load(object sender, System.EventArgs e)
		{
			if (Session["CurrentUser"] == null) 
				Response.Redirect("login.aspx");
			else
				CurrentUser = (UserInformation)Session["CurrentUser"];

			if (!Page.IsPostBack)
			{
				LoadStatusList();
        LoadCategoryList();
				CreateNewTask();				
				SetInputFocus("txtTaskSubject");
			}
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{    

		}
		#endregion

		/// <summary>
		/// Registers a startup script to default focus to a certain control
		/// </summary>
		private void SetInputFocus(string ControlName)
		{
			StringBuilder sb = new StringBuilder("");
			sb.Append("<script language=javascript>");
			sb.Append("function setFocus(ctl) {");
			sb.Append("  if (document.forms[0][ctl] != null)");
			sb.Append("  { document.forms[0][ctl].focus(); }");
			sb.Append("}");
			sb.Append("setFocus('" + ControlName + "');</script>");

			if (!ClientScript.IsStartupScriptRegistered("InputFocusHandler"))
                ClientScript.RegisterStartupScript(this.GetType(),"InputFocusHandler", sb.ToString());
		}

		private void CreateNewTask()
		{
//			ClearTaskForm();
			lblCreatedBy.Text = CurrentUser.Username;
			lblCreatedOn.Text = DateTime.Now.ToString("MM/dd/yy hh:mm");
		}

		private void LoadStatusList()
		{
			SqlDataReader dr = tl.GetStatusList(CurrentUser);
			cboTaskStatus.Items.Clear();
			while (dr.Read())
			{
				cboTaskStatus.Items.Add(new ListItem(dr["Description"].ToString(), dr["Value"].ToString()));
			}
		}

    private void LoadCategoryList()
    {
      SqlDataReader dr = tl.GetCategoryList(CurrentUser);
      cboTaskCategory.Items.Clear();
      while( dr.Read() )
      {
        cboTaskCategory.Items.Add(new ListItem(dr["Description"].ToString(), dr["CategoryID"].ToString()));
      }
    }

		protected void lnkSaveTask_Click(object sender, System.EventArgs e)
		{
			TaskListItem TaskItem = new TaskListItem();
			TaskItem.TaskListID		= Convert.ToInt32(Session["TaskListID"]);
			TaskItem.Subject			= Server.HtmlEncode(txtTaskSubject.Text);
			TaskItem.Body					= Server.HtmlEncode(txtTaskBody.Text);
			TaskItem.StatusValue	= Convert.ToInt32(cboTaskStatus.SelectedItem.Value);
			TaskItem.CategoryID   = Convert.ToInt32(cboTaskCategory.SelectedItem.Value);
      TaskItem.CreatedDate	= DateTime.Now;
			TaskItem.ModifiedDate = DateTime.Now;
			TaskItem.OwnerUserID	= CurrentUser.UserID;
      
			tl.Add(CurrentUser, TaskItem);
			Response.Redirect("Default.aspx");
		}

		protected void lnkReturnToTaskList_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("Default.aspx");
		}

		protected void lnkLogOff_Click(object sender, System.EventArgs e)
		{
			System.Web.Security.FormsAuthentication.SignOut();
			Session.Abandon();
			Response.Redirect("login.aspx");
		}

    protected void imgSaveTask_Click(object sender, System.Web.UI.ImageClickEventArgs e)
    {
      lnkSaveTask_Click(lnkSaveTask, new EventArgs());
    }
	}
}