default.aspx.cs

该项目管理系统可对项目的过程进行管理和控制

			{
				DataGrid1.CurrentPageIndex = DataGrid1.PageCount - 1;
				DataGrid1.DataBind();
			}
			else
			{
				DataGrid1.CurrentPageIndex = PreviousPageIndex;
				DataGrid1.DataBind();
			}
		}

		/// <summary>
		/// This event gets fired when a user selects a new task list.  We load in the new task list.
		/// </summary>
		private void cboTaskLists_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			// Load the task list that corresponds to this task list name
			if (cboTaskLists.SelectedItem.Value != String.Empty)
			{
				Session["TaskListID"] = Convert.ToInt32(cboTaskLists.SelectedItem.Value);
				ShowTaskList(Convert.ToInt32(cboTaskLists.SelectedItem.Value));
			}
		}

		/// <summary>
		/// Destroys our authentication session, removes the Session variables and
		/// redirects the user to the login page.
		/// </summary>
		private void lnkLogOff_Click(object sender, System.EventArgs e)
		{
			Session.Abandon();
			Response.Cookies.Clear();
			System.Web.Security.FormsAuthentication.SignOut();
			
			Response.Redirect("login.aspx");
		}

		/// <summary>
		/// Redirects the user to the "Create a new Task" page
		/// </summary>
		private void lnkAdd_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("Task.aspx");
		}

		/// <summary>
		/// This event gets fired when a user clicks the "View" button on the task list display
		/// </summary>
		private void DataGrid1_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			// The "View/Edit" link
			DataGrid1.EditItemIndex = e.Item.ItemIndex;
			ShowTaskList(Convert.ToInt32(cboTaskLists.SelectedItem.Value));
		}

		/// <summary>
		/// This event gets fired when the user clicks the "Hide" button when viewing a task
		/// </summary>
		private void DataGrid1_CancelCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			DataGrid1.EditItemIndex = -1;
			DataGrid1.DataBind();
			ShowTaskList(Convert.ToInt32(cboTaskLists.SelectedItem.Value));
		}

		/// <summary>
		/// Rebinds the grid and redisplays the tasks.  If two users are working on the same exact task list
		/// from different PCs, they can click the "Refresh" link to see the changes/updates the other user has made.
		/// </summary>
		private void lnkRefresh_Click(object sender, System.EventArgs e)
		{
			DataGrid1.EditItemIndex = -1;
			DataGrid1.DataBind();
			ShowTaskList(Convert.ToInt32(cboTaskLists.SelectedItem.Value));
		}

		/// <summary>
		/// This is a generic event handler that gets fired when any of the Grid's constituent controls fire an event.
		/// We can keep track of what is firing by the CommandName property.  For instance, the "Save" link has a 
		/// CommandName of "SaveTask".
		/// </summary>
		private void DataGrid1_ItemCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			TextBox txtSubject, txtBody;
			DropDownList cboStatus;
			DropDownList cboCategory;
      DropDownList cboMoveTo;
			int TaskListID = 0;
			int TaskID = 0;

      if (e.CommandName == "SaveTask")
      {
        TaskID = Convert.ToInt32(e.Item.Cells[1].Text);
        TaskListID = Convert.ToInt32(cboTaskLists.SelectedItem.Value);

        txtSubject = (TextBox)e.Item.FindControl("txtTaskSubject");	
        txtBody = (TextBox)e.Item.FindControl("txtTaskBody");
        cboStatus = (DropDownList)e.Item.FindControl("cboTaskStatus");
        cboCategory = (DropDownList)e.Item.FindControl("cboTaskCategory");
        cboMoveTo = (DropDownList)e.Item.FindControl("cboMoveTo");

        TaskListItem ti = tl.GetTaskListItem(CurrentUser, TaskID, Convert.ToInt32(cboTaskLists.SelectedItem.Value));
        ti.TaskListID = Convert.ToInt32(cboMoveTo.SelectedItem.Value);
        ti.Body = Server.HtmlEncode(txtBody.Text);
        ti.StatusValue = Convert.ToInt32(cboStatus.SelectedItem.Value);
        ti.CategoryID = Convert.ToInt32(cboCategory.SelectedItem.Value);
        ti.StatusName = cboStatus.SelectedItem.Text;
        ti.Subject = Server.HtmlEncode(txtSubject.Text);
        ti.ModifiedDate = DateTime.Now;
        tl.Modify(CurrentUser, ti, TaskListID);
				
        DataGrid1.EditItemIndex = -1;
        this.ShowTaskList(TaskListID);
      }
      else if (e.CommandName == "CancelTask")
      {
        TaskListID = Convert.ToInt32(cboTaskLists.SelectedItem.Value);

        DataGrid1.EditItemIndex = -1;
        this.ShowTaskList(TaskListID);
      }
      else if (e.CommandName == "DeleteTask")
      {
        TaskID = Convert.ToInt32(e.Item.Cells[1].Text);
        TaskListID = Convert.ToInt32(cboTaskLists.SelectedItem.Value);

        tl.Delete(CurrentUser, TaskListID, TaskID);
        DataGrid1.EditItemIndex = -1;
        this.ShowTaskList(TaskListID);
      }
		}

		/// <summary>
		/// This event gets fired when the grid is building.  Also, when the user clicks the "View" button,
		/// it gets fired again as all the new data loads.  This is where we can populate the Status List dropdown list,
		/// as well as the TaskSummary usercontrol object (called SummaryHeader here)
		/// </summary>
		private void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
		{
			DropDownList StatusList = (DropDownList)e.Item.FindControl("cboTaskStatus");
			DropDownList CategoryList = (DropDownList)e.Item.FindControl("cboTaskCategory");
      DropDownList MoveToList = (DropDownList)e.Item.FindControl("cboMoveTo");
			TaskSummary SummaryHeader = (TaskSummary)e.Item.FindControl("TaskSummary");

			DataRowView dr = (DataRowView)e.Item.DataItem;

			if (StatusList != null)
			{
				this.LoadStatusList(StatusList);
				if (StatusList.Items.FindByText(dr["Status"].ToString()) != null)
					StatusList.Items.FindByText(dr["Status"].ToString()).Selected = true;
			}

			if (CategoryList != null)
			{
				this.LoadCategoryList(CategoryList);
				if (CategoryList.Items.FindByValue(dr["CategoryID"].ToString()) != null)
					CategoryList.Items.FindByValue(dr["CategoryID"].ToString()).Selected = true;
			}

      if (MoveToList != null)
      {
        this.LoadTaskListDropDown(MoveToList);
        if (MoveToList.Items.FindByValue(dr["TaskListID"].ToString()) != null)
          MoveToList.Items.FindByValue(dr["TaskListID"].ToString()).Selected = true;
      }

			if (SummaryHeader != null)
			{
				SummaryHeader.Subject = dr["Subject"].ToString();
				SummaryHeader.Status = dr["Status"].ToString();
				SummaryHeader.CreatedOn = (DateTime)dr["CreatedDate"];
				SummaryHeader.LastModified = (DateTime)dr["LastModifiedDate"];
        SummaryHeader.LastModifiedBy = dr["LastModifiedBy"].ToString();
				SummaryHeader.CategoryIconUrl = dr["IconUrl"].ToString();
			}
		}

		/// <summary>
		/// This event gets fired whenever a user changes a page.  We just have to set the CurrentPageIndex to
		/// whatever argument was passed in, then rebind the grid.
		/// </summary>
		private void DataGrid1_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			DataGrid1.CurrentPageIndex = e.NewPageIndex;
			this.ShowTaskList(Convert.ToInt32(cboTaskLists.SelectedItem.Value));
		}

		private void DataGrid1_SelectedIndexChanged(object sender, System.EventArgs e)
		{
		
		}

		private void lnkManageTaskLists_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("ManageTaskList.aspx");
		}

		private void lnkManageUsers_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("ManageUsers.aspx");
		}

		private void lnkMyPreferences_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("Preferences.aspx");
		}

		private void lnkManageApplication_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("ManageApplication.aspx");
		}
	}
}