guestbookadmin.ascx.cs

这是我编的一小软件。请等级等待指教。呵呵。ASP的

namespace Seaskyer.WebApp.skyNews.Pages.UserMSC
{
	using System;
	using System.Collections;
	using System.Data;
	using System.Drawing;
	using System.Web;
	using System.Web.UI.WebControls;
	using System.Web.UI.HtmlControls;

	/// <summary>
	///		GuestbookAdmin : 留言信息管理。
	/// </summary>
	public class GuestbookAdmin : basePage
	{
		protected DataGrid DataGrid1;
		protected Label searchLabel, label1 ,pageLabel;
		protected Panel Replay;
		protected Label Title;
		protected TextBox ReplayContent;
		protected RadioButtonList isDisplay;

		private void Page_Load(object sender, System.EventArgs e)
		{
			if( !power.GPB("Admin") )
			{
				base.strError.Add(lang["sharePage", "denyViewErrorInfo"]);
				return;
			}
			
			this.InitPage();

			if( !Object.Equals(Request.QueryString["id"], null) && !Object.Equals(Request.QueryString["id"], "") )
			{
				// == 开始回复留言 ==
				Replay.Visible = true;

				dp.CommandText = cmd["Guestbook", "SELECT_INDEX"];
				dp.Parameter.Add("id",		Request.QueryString["id"]);

				DataTable dt = dp.DataTableSQL();

				// 数据绑定
				if( dt.Rows.Count == 1 )
				{
					Title.Text			= dt.Rows[0]["title"].ToString();
					ReplayContent.Text	= dt.Rows[0]["replay"].ToString();
					for( int i = 0; i < isDisplay.Items.Count; i++ )
					{
						if( isDisplay.Items[i].Value == dt.Rows[0]["isdisplay"].ToString() )
							isDisplay.Items[i].Selected	= true;
						else
							isDisplay.Items[i].Selected	= false;
					}
				}

				dt.Clear();
				dt.Dispose();

			}
			else
			{
				this.BindData();
			}		
		}

		#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.Load += new System.EventHandler(this.Page_Load);
		}

		/// <summary>
		/// 初始化页面
		/// </summary>
		void InitPage()
		{
			//searchLabel.Visible		= false;
			label1.Visible			= false;
			pageLabel.Visible		= false;
			DataGrid1.Visible		= false;
			Replay.Visible			= false;
		}
		#endregion



		void BindData()
		{
			if( Object.Equals(Request.QueryString["type"], null)  || Object.Equals(Request.QueryString["type"], "") )
			{
				// 非搜索页面数据绑定
				this.GridBind();
			}
			else
			{
				// 搜索页面数据绑定
				//this.SearchGridBind();
			}
		}

		#region 绑定数据
		void GridBind()
		{
			dp.CommandText = cmd["Guestbook", "COUNT"];
			bind.totalRecord = dp.ScalarSQL();

			if( bind.totalRecord == 0 )
			{
				label1.Text = "还没有任何留言信息"; label1.ForeColor = Color.Red;
				label1.Visible = true;
			}
			else
			{
				dp.CommandText = cmd["Guestbook", "SELECT"];
				bind.BindInfo_SplitPageDataGrid(DataGrid1, dp, "");

				pageLabel.Text		= base.GetSplitPageString("/skyNews/UserMSC/GuestbookAdmin.aspx?");
				pageLabel.Visible	= true;
			}
		}
		#endregion

		#region 去掉DataGrid1的EnableViewState属性，减少发向客户端的数据
		protected void DataGrid1_ItemDataBound(object sender, DataGridItemEventArgs e)
		{
			//DataGrid1.Controls[0].EnableViewState = false;
		}
		#endregion

		#region 响应删除事件
		protected void Delete_OnClick(object sender, EventArgs e)
		{
			

			
			if( Object.Equals(Request.Form["chk"], null) || Object.Equals(Request.Form["chk"], "") )
			{
				label1.Text = "请先选中要删除的记录(可多选)"; label1.ForeColor = Color.Red;
			}
			else
			{
				dp.CommandText = String.Format(cmd["Guestbook", "DELETE"], Request.Form["chk"].ToString());
				int delNum = dp.NonQuerySQL();
				if( delNum > 0)
				{
					label1.Text = delNum + "条记录删除成功！"; label1.ForeColor = Color.BlueViolet;
					this.BindData();
				}
				else
				{
					label1.Text = "删除失败 ..."; label1.ForeColor = Color.Red;
				}
			}
			label1.Visible = true;

		}
		#endregion

		#region 响应回复留言事件
		protected void Submit_OnClick(object sender, EventArgs e)
		{
			this.InitPage();
			
			// 数据更新
			dp.CommandText = "UPDATE [Guestbook] SET replay = @replay, isdisplay = @isdisplay WHERE id = @id";
			dp.Parameter.Add("replay",		ReplayContent.Text);
			dp.Parameter.Add("isdisplay",	isDisplay.SelectedValue);
			dp.Parameter.Add("id",			Request.QueryString["id"]);
			
			if( dp.NonQuerySQL() == 1 )
			{
				label1.Text = "回复留言成功！"; label1.ForeColor = Color.BlueViolet;
				this.BindData();
			}
			else
			{
				label1.Text = "回复留言失败"; label1.ForeColor = Color.Red;
			}

			label1.Visible = true;
			this.GridBind();
		}
		#endregion

		#region 初始化DataGrid中子控件的属性
		protected void DataGrid1_ItemCreated(object sender, DataGridItemEventArgs e)
		{
			if(e.Item.ItemIndex >= 0)
			{
				e.Item.Attributes.Add("onmouseover","this.className='tdbg-dark';");
				e.Item.Attributes.Add("onmouseout","this.className='tdbg';");
			}
		}
		#endregion

	}
}