topiclistadmin.aspx.cs

ASP.net网站开发四“酷”全书：新闻、论坛、电子商城、博客_源码

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 SampleForum.SetData;
using BusObjectForum;

namespace SampleForum.SysManage
{
	/// <summary>
	/// TopicListAdmin 的摘要说明。
	/// </summary>
	public class TopicListAdmin : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DropDownList selFunction;
		protected System.Web.UI.WebControls.Label labCurrentPage;
		protected System.Web.UI.WebControls.DataGrid dgrTopic;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(!Page.IsPostBack)
			{
				ForumC oForum = new ForumC();
				string ErrDesc = "";
				DataSet oDataSet = oForum.getForumList(CONNSTRING,out ErrDesc);
				this.selFunction.DataSource = oDataSet;
				selFunction.DataMember = "T_Function";
				selFunction.DataValueField = "fchrFunctionID";
				selFunction.DataTextField = "fchrFunctionName";
				Page.DataBind();
				InitList("");
			}
		}
		//初始化选择功能模块的下拉框
		public void Init_ObjChangeFunction(object oSource, System.EventArgs e)
		{
			DropDownList oSelFunction = (DropDownList)oSource;
			ForumC oForum = new ForumC();
			string ErrDesc = "";
			DataSet oDataSet = oForum.getForumList(CONNSTRING,out ErrDesc);
			oSelFunction.DataSource = oDataSet;
			oSelFunction.DataMember = "T_Function";
			oSelFunction.DataValueField = "fchrFunctionID";
			oSelFunction.DataTextField = "fchrFunctionName";
			oSelFunction.DataBind();
		}
		public static string CONNSTRING
		{
			get
			{
				connect_strings oConn = new connect_strings();
				return oConn.OLEDBConnectionString;
			}
		}
		public static string SQLCONNSTRING
		{
			get
			{
				connect_strings oConn = new connect_strings();
				return oConn.SqlConnectionString;
			}
		}
		public void InitList(string strFunctionID)
		{
			if (strFunctionID=="")
			{
				strFunctionID = this.selFunction.SelectedValue;
			}
			string ErrDesc="";
			InnerFunction oFunction = new InnerFunction();
			dgrTopic.PageSize =int.Parse(oFunction.getUserParaByName(CONNSTRING,"Forum_ListPageNO",out ErrDesc));
			dgrTopic.PagerStyle.Mode=PagerMode.NumericPages;
			ErrDesc= "";
			ForumC oForum = new ForumC();
			DataSet oDataSet = oForum.getTopicByFunction(CONNSTRING,strFunctionID,true,out ErrDesc);
			if(ErrDesc=="")
			{
				dgrTopic.DataSource = oDataSet.Tables[0].DefaultView;
				dgrTopic.DataBind();
				dgrTopic.Columns[0].Visible = false;
			}
			else
			{
				Response.Write("错误:"+ErrDesc);
			}
		}
		public void OnChangeFunction(object oSource, System.EventArgs e)
		{
			InitList(selFunction.SelectedItem.Value);
		}
		public void DoItemEdit(object oSource,DataGridCommandEventArgs oArgs)
		{
			this.dgrTopic.EditItemIndex = oArgs.Item.ItemIndex;
			InitList("");
		}
		public void TopicUpdate(object oSource,DataGridCommandEventArgs oArgs)
		{
			string ErrDesc="";
			string strTopicId = oArgs.Item.Cells[0].Text;
			DropDownList oIsGood = (DropDownList)oArgs.Item.FindControl("selIsGood");
			DropDownList oIsTop = (DropDownList)oArgs.Item.FindControl("selIsTop");
			DropDownList oIsNoUsed = (DropDownList)oArgs.Item.FindControl("selIsNoUsed");
			DropDownList oSelFunction = (DropDownList)oArgs.Item.FindControl("selChangeFunction");

			AdminC oAdmin = new AdminC();
			if(oAdmin.UpdateTopicState(SQLCONNSTRING,oIsGood.SelectedValue,oIsTop.SelectedValue,oSelFunction.SelectedValue,oIsNoUsed.SelectedValue,strTopicId,out ErrDesc))
			{
				Response.Write ("更新话题状态成功!");
			}
			else
			{
				Response.Write ("发生错误:"+ErrDesc);
			}
		}
		public void TopicCancel(object oSource,DataGridCommandEventArgs oArgs)
		{
			this.dgrTopic.EditItemIndex = -1;
			this.InitList("");
		}
		public void ChangePage(object oSender,DataGridPageChangedEventArgs objArgs)
		{
			dgrTopic.CurrentPageIndex = objArgs.NewPageIndex;
			InitList("");
			labCurrentPage.Text = (dgrTopic.CurrentPageIndex+1).ToString();
		}
		#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);

		}
		#endregion
	}
}