streamclass.aspx.cs

很不错的公文流转系统

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 ZHENGYI;
using OI.DatabaseOper;
namespace OI.Manage
{
	/// <summary>
	/// streamclass 的摘要说明。
	/// </summary>
	public class streamclass : OI.PageBase
	{
		protected System.Web.UI.WebControls.ImageButton ImageButton2;
		protected System.Web.UI.WebControls.ImageButton ButtonNew;
		protected System.Web.UI.WebControls.DataGrid DataGridMessageManage;
		protected System.Web.UI.WebControls.TextBox TextBoxTitle;
		protected DataGridNavigation  divepage ;
		DatabaseConnect Dbc=new DatabaseConnect ();
		protected System.Web.UI.WebControls.ImageButton imgbtnFind;
		protected DataSet ds;
		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 (Session["userid"]==null)
			{
				Response.Write ("<script>alert('超时,请重新登录');top.location.href='../userpass.aspx';</script>");
				return ;
			}
             SetDivePage();
			if (!Page.IsPostBack )
			{
				 dataBind();
			}
		
		}


		#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.imgbtnFind.Click += new System.Web.UI.ImageClickEventHandler(this.imgbtnFind_Click);
			this.DataGridMessageManage.ItemCreated += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGridMessageManage_ItemCreated);
			this.DataGridMessageManage.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGridMessageManage_ItemDataBound);
			this.ButtonNew.Click += new System.Web.UI.ImageClickEventHandler(this.ButtonNew_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void SetDivePage()
		{
			DataGridMessageManage.AllowPaging =true; 
			DataGridMessageManage.PageSize =10; 
			
			ZHENGYI.BindDataDelegate f =new ZHENGYI.BindDataDelegate (dataBind);//修改这个dataBind,让f 指向你的方法。 
			divepage.SetTarget(DataGridMessageManage,f,10);
		}
		private void dataBind()
		{
			CreateDataSource();
			DataGridMessageManage.DataSource =ds.Tables[0];
			DataGridMessageManage.DataBind ();
		}
		private void CreateDataSource()
		{
			string sql=" select  s.*,au.username from streamclass s ,accounts_users au where s.author=au.userid";
			if(TextBoxTitle.Text .Trim () !="")
			   { sql +=" and  s.classtitle like '%" + TextBoxTitle.Text .Trim().Replace ("'","''") +"%'" ;}
			
			sql +=" order by  s.classdetail desc  ";
			
			ds=Dbc.getBinding(sql,"t");

		}

		private void imgbtnFind_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			dataBind();
		}

		private void DataGridMessageManage_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
		{
			
			if (e.Item.ItemType ==ListItemType.Item  || e.Item .ItemType ==ListItemType.AlternatingItem )
			{
				e.Item .Cells[4].Text ="<a href='streamclassoprate.aspx?op=modify&id="+e.Item .Cells[0].Text +"'><img src=../images/edit.gif border=0 alt=修改></a>";
			}

		}
		private void ImgDel_Click(object sender,System.Web.UI .ImageClickEventArgs e )
		{
			ImageButton imgdel=(ImageButton) sender;
			DataGridItem de=(DataGridItem) imgdel.Parent .Parent ;
			string classid=de.Cells[0].Text ;
			string sql=" select count(*) from document where CurrentStepID != 2 and CompleteSign !=1 and   streamid in (select streamid from stream  where classid="+classid+")";
			if (int.Parse (Dbc.GetValueBySql(sql))>0)
			{
				
					Page.RegisterStartupScript ("del","<script>alert('此流程类别中的流程正被使用,无法删除!')</script>");
					return;
				
			}
			string strsql=" delete from streamclass where id="+de.Cells[0].Text ;

			try
			{
				Dbc.ExecuteSQL  (strsql);
				dataBind();
			}
			catch
			{
			}

		}

		private void DataGridMessageManage_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
		{
		
			if (e.Item.ItemType ==ListItemType.Item  || e.Item .ItemType ==ListItemType.AlternatingItem )
			{
			
				ImageButton ImgDel =(ImageButton) e.Item.FindControl ("ImgDel");
				ImgDel.Attributes["onclick"] ="return confirm('你确定要删除?')";
				ImgDel.Click += new ImageClickEventHandler(ImgDel_Click);

			}
		}

		private void ButtonNew_Click(object sender, System.Web.UI.ImageClickEventArgs e)
		{
			Response.Redirect ("streamclassoprate.aspx?op=new");
		}
	}
}