settings.aspx.cs

wrox c#高级编程

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 Wrox.WebModules.Accounts.Business;

namespace Wrox.WebModules.NewsManager.Web
{
	public class Settings : Wrox.ThePhile.Web.PhilePage
	{
		protected System.Web.UI.WebControls.Table TableSettings;
		protected System.Web.UI.WebControls.Button Update;
		protected System.Web.UI.WebControls.TextBox NewsURL;
		protected System.Web.UI.WebControls.TextBox ConnectionString;
		protected System.Web.UI.WebControls.TextBox AbstractLength;
		
		protected void Page_Load(object sender, EventArgs e)
		{
			// check if the current user is allowed to administer the news
			if (!Context.User.Identity.IsAuthenticated || 
				!((PhilePrincipal)Context.User).HasPermission((int)NewsManagerPermissions.AdministerNews))
			{
				// if not, redirect to the Login page
				Response.Redirect("/ThePhile/Modules/Users/Login.aspx?ShowError=true", true);
			}

			if (!IsPostBack)
			{
				// load all the settings
				Configuration.ModuleSettings settings = Configuration.ModuleConfig.GetSettings();
				ConnectionString.Text = settings.ConnectionString;
				NewsURL.Text = settings.NewsUrl;
				AbstractLength.Text = settings.AbstractLength.ToString();
			}
		}

		protected void Update_Click(object sender, EventArgs e)
		{
			Configuration.ModuleSettings settings = new Configuration.ModuleSettings();
			// set the new properties values and update everything
			settings.ConnectionString = ConnectionString.Text.Trim();
			settings.NewsUrl = NewsURL.Text.Trim();
			// if no abstract length is specified (textbox empty), set to -1 (whole news body)
			if (AbstractLength.Text.Trim().Length > 0)
				settings.AbstractLength = int.Parse(AbstractLength.Text);
			else
			{
				AbstractLength.Text = "-1";
				settings.AbstractLength = -1;
			}
			// save the new settings
			Configuration.ModuleConfig.SaveSettings(settings);
		}

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

		}
		#endregion
	}
}