tabmanage.aspx.cs

计算机学院网站及管理系统

using System;
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.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Configuration;

namespace ComputerWeb
{
	/// <summary>
	/// Summary description for ManageChannel.
	/// </summary>
	public class ManageChannel : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.TextBox DirectUrl;
		protected System.Web.UI.WebControls.CheckBox DirectCheck;
		protected System.Web.UI.WebControls.ListBox TabList;
		protected System.Web.UI.WebControls.ImageButton editBtn;
		protected System.Web.UI.WebControls.ImageButton deleteBtn;
		protected System.Web.UI.WebControls.TextBox EditTabName;
		protected System.Web.UI.WebControls.Button UpdateBtn;
		protected System.Web.UI.WebControls.Panel UpdatePanel;
		protected System.Web.UI.WebControls.TextBox TabName;
		protected System.Web.UI.WebControls.Button AddTab;
		protected System.Web.UI.WebControls.ImageButton upBtn;
		protected System.Web.UI.WebControls.ImageButton downBtn;

		private void Page_Load(object sender, System.EventArgs e)
		{			
			if(!Page.IsPostBack)
			{
				BindTabData();
			}

			deleteBtn.Attributes.Add("onclick","return confirm('你确定要删除所选择的页表吗?');");
		}

		private void BindTabData()
		{
			TabList.Items.Clear();

			TabDB tab = new TabDB();
			SqlDataReader rect = tab.GetTabs();

			TabList.DataSource = rect;
			TabList.DataTextField = "TabName";
			TabList.DataValueField = "TabID";
			TabList.DataBind();

			rect.Close();
		}

		#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()
		{   
			this.upBtn.Click += new System.Web.UI.ImageClickEventHandler(this.MoveEdit_Click);
			this.downBtn.Click += new System.Web.UI.ImageClickEventHandler(this.MoveEdit_Click);
			this.editBtn.Click += new System.Web.UI.ImageClickEventHandler(this.MoveEdit_Click);
			this.deleteBtn.Click += new System.Web.UI.ImageClickEventHandler(this.MoveEdit_Click);
			this.UpdateBtn.Click += new System.EventHandler(this.UpdateBtn_Click);
			this.AddTab.Click += new System.EventHandler(this.AddTab_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void UpdateBtn_Click(object sender, System.EventArgs e)
		{
			UpdatePanel.Visible = false;

			TabDB tab = new TabDB();

			try
			{
				tab.UpdateTabName(Int32.Parse(TabList.SelectedValue),EditTabName.Text.Trim());
			}
			catch(Exception ex)
			{
				string sRawURL = Request.RawUrl;

				if(sRawURL.IndexOf("?") > -1)
				{
					sRawURL = sRawURL.Substring(0,sRawURL.IndexOf("?"));
				}				
				Response.Redirect("~/DesktopModules/ErrorPage.aspx?ErrorUrl=" + sRawURL + "&ErrorMessage=" + ex.Message.Replace("\n"," "));
			}

			BindTabData();		
		}

		private void AddTab_Click(object sender, System.EventArgs e)
		{
			TabDB tab = new TabDB();
			
			try
			{
				if(DirectCheck.Checked == true)
				{				
					tab.AddTab(TabName.Text.Trim(),TabList.Items.Count + 1,DirectUrl.Text);
				}
				else
				{
					tab.AddTab(TabName.Text.Trim(),TabList.Items.Count + 1,"");
				}
			}
			catch(Exception ex)
			{
				string sRawURL = Request.RawUrl;

				if(sRawURL.IndexOf("?") > -1)
				{
					sRawURL = sRawURL.Substring(0,sRawURL.IndexOf("?"));
				}				
				Response.Redirect("~/DesktopModules/ErrorPage.aspx?ErrorUrl=" + sRawURL + "&ErrorMessage=" + ex.Message.Replace("\n"," "));
			}

			//增加成功后，重新绑定数据和清空名称输入框
			TabName.Text = "";
			DirectUrl.Text = "";
			DirectCheck.Checked = false;
			BindTabData();

			//控制更新Panel的可见性
			ControlUpdatePanelVisible();		
		}

		private void MoveEdit_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			String commandName = ((ImageButton)sender).CommandName;

			if(TabList.SelectedIndex > -1)
			{
				switch(commandName)
				{
					case "up":
					{
						if(TabList.SelectedIndex > 0)
						{
							UpdateOrder(commandName);
						}

						//控制更新Panel的可见性
						ControlUpdatePanelVisible();

						break;
					}
					case "down":
					{
						if(TabList.SelectedIndex < TabList.Items.Count -1)
						{
							UpdateOrder(commandName);
						}

						//控制更新Panel的可见性
						ControlUpdatePanelVisible();

						break;
					}
					case "edit":
					{
						UpdateTabName();

						break;
					}
					case "delete":
					{
						DeleteTab();

						//控制更新Panel的可见性
						ControlUpdatePanelVisible();

						break;
					}
					default:
					{
						//控制更新Panel的可见性
						ControlUpdatePanelVisible();

						break;
					}
				}
				if((commandName != "")&&(commandName != "edit"))
				{
					BindTabData();
				}
			}
			else
			{
				Response.Write("<script>alert(\"请选择你的数据项！\")</script>");
			}		
		}

		private void UpdateOrder(String commandName)
		{
			TabDB tab = new TabDB();

			try
			{
				tab.UpdateTabOrder(Int32.Parse(TabList.SelectedValue),commandName);
			}
			catch(Exception ex)
			{
				string sRawURL = Request.RawUrl;

				if(sRawURL.IndexOf("?") > -1)
				{
					sRawURL = sRawURL.Substring(0,sRawURL.IndexOf("?"));
				}				
				Response.Redirect("~/DesktopModules/ErrorPage.aspx?ErrorUrl=" + sRawURL + "&ErrorMessage=" + ex.Message.Replace("\n"," "));
			}
		}

		private void UpdateTabName()
		{
			UpdatePanel.Visible = true;		
			
			if(TabList.SelectedIndex > -1)
			{
				EditTabName.Text = TabList.SelectedItem.Text;
			}
			else
			{
				Response.Write("<script>alert(\"请选择你的数据项！\")</script>");
			}
		}

		private void DeleteTab()
		{
			TabDB tab = new TabDB();

			try
			{
				tab.DeleteTab(Int32.Parse(TabList.SelectedValue));
			}
			catch(Exception ex)
			{
				string sRawURL = Request.RawUrl;

				if(sRawURL.IndexOf("?") > -1)
				{
					sRawURL = sRawURL.Substring(0,sRawURL.IndexOf("?"));
				}				
				Response.Redirect("~/DesktopModules/ErrorPage.aspx?ErrorUrl=" + sRawURL + "&ErrorMessage=" + ex.Message.Replace("\n"," "));
			}
		}

		private void ControlUpdatePanelVisible()
		{
			if(UpdatePanel.Visible == true)
			{
				UpdatePanel.Visible = false;
			}
		}
	}
}