backdocument.ascx.cs

很不错的公文流转系统

namespace OI.UserControls
{
	using System;
	using System.Data;
	using System.Drawing;
	using System.Web;
	using System.Data .SqlClient ;
	using System.Web.UI.WebControls;
	using System.Web.UI.HtmlControls;
	using ZHENGYI;
	/// <summary>
	///		backDocument 的摘要说明。
	/// </summary>
	public class backDocument : System.Web.UI.UserControl
	{
		protected System.Web.UI.WebControls.DataGrid dg;
        protected OI.cs.readStream rs =new OI.cs.readStream ();
		protected OI.DatabaseOper.DatabaseConnect Dbc=new OI.DatabaseOper.DatabaseConnect ();
        protected DataGridNavigation divage ;
	    protected string linkurltitle ;
		protected  string optype="";
		public string StreamStep
		{
			set  
			{
				ViewState["streamstep"]=value;
			}
		}
		public string LinkUrlByTitle
		{
			set
			{
				linkurltitle=value; 
			}
		}
		public string OPtype
		{
			set 
			{
				optype=value;
			}
		}
		private void Page_Load(object sender, System.EventArgs e)
		{
			SetDivePage();
			if (!Page.IsPostBack )
			{
				dataBind();
			}
		}
		private void dataBind()
		{

			dg.DataSource =CreateDataSource();
			dg.DataBind ();
		}
		private void SetDivePage()
		{
						
			ZHENGYI.BindDataDelegate f =new ZHENGYI.BindDataDelegate (dataBind);//修改这个dataBind,让f 指向你的方法。 
			divage.SetTarget(dg,f,15);
		}
		private DataTable CreateDataSource()
		{ 

			string sql=" select documentid,title,ExigenceDegreeName,SecretGreadName, DocumentTypeName,CurrentStepID  from ViewDocumentno where CompleteSign=0 and currentstepid != 2 order by FileDate desc";
			System.Data.DataSet  ds=new DataSet ();
			ds=Dbc.getBinding(sql,"t");
            DataColumn dc=new DataColumn("backuser",typeof(String));
			
			ds.Tables [0].Columns .Add (dc);
			dc=new DataColumn ("transtime",typeof(String));
			ds.Tables [0].Columns .Add (dc);
			foreach (DataRow dr in ds.Tables[0].Rows )
			{
                
				rs.doucmentID =int.Parse (dr["documentid"].ToString ());
				//如果当前用户没在当前节点中,则应当删除.
				
				if (Dbc.GetValueBySql ("select count(*) from TransactUsers where documentid="+dr["documentid"] +" and stepID="+dr["CurrentStepID"].ToString () +" and userid="+Session["userid"].ToString () ).ToString ()=="0")
				{
					dr.Delete ();
				}
				else
				{   //用户存在当前节点中。
					string  CurrentOprateType=rs.GetCurrentOprateTypeByNodeID (dr["CurrentStepID"].ToString ());
					
					if (CurrentOprateType !=ViewState["streamstep"].ToString ()) //文档指向当前节点如果不是待处理的节点类型
					{
						dr.Delete ();  //那么删除
					}
					else 
					{
						sql="select  count(*) from DocumentTransact where documentid="+dr["documentid"].ToString () +" and " ;
						sql += " StepID=" + dr["CurrentStepID"].ToString () + "  and  userid="+Session["userid"].ToString ();
						sql +=" and  BackState=(select max(BackState) from DocumentTransact where documentid= "+dr["documentid"].ToString ()  +")";
						if (int.Parse (Dbc.GetValueBySql(sql)) <1) //如果当前用户,当前节点在处理表中不存在,那么删除.
						{
							dr.Delete ();
						}
						else
						{
							string []trans=getBackmas(dr["documentid"].ToString (),dr["CurrentStepID"].ToString ());
							dr["backuser"]=trans[0];
							dr["transtime"]=trans[1];
						}
					}
			　   }
			}
			return ds.Tables [0];
		}
		private  string [] getBackmas(string documentid,string currentnodeid) 
		{
			 OI.cs .readStream rs=new OI.cs.readStream ();
             rs.doucmentID =int.Parse (documentid);
			 currentnodeid= rs.GetNextNodeIdByID(currentnodeid); 
			 //rs.GetCurrentNodeUsersByID(nextid)
             string  sql="select TransactDate,a.username from documenttransact d,accounts_users a where transtype='退回' and BackState=(select max(BackState) from DocumentTransact where documentid= "+documentid  +")" ;
			 sql +=" and documentid="+documentid +" and d.userid=a.userid and stepid="+currentnodeid ;
			 //System.Data.DataSet ds=new DataSet ();
			 DataRow dr=Dbc.getBinding (sql,"t").Tables [0].Rows[0];
             string []trans=new string [2]; 
              trans[0]=dr["username"].ToString ();
			 trans[1]=dr["TransactDate"].ToString ();
			return trans;
		}
		private void dg_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
		{
			if(e.Item.ItemType ==ListItemType.Item  ||e.Item.ItemType ==ListItemType.AlternatingItem )
			{
				//处理标题列
				if(e.Item .Cells[1].Text.Length  >20 )
				{
					if (linkurltitle !="")
					{
						e.Item .Cells[1].Text="<a href=\"" + linkurltitle+"?documentid="+e.Item.Cells[0].Text +"&type="+optype+"\" title=\""+e.Item .Cells[1].Text +"\">" + e.Item .Cells[1].Text .Substring (0,20)+"...</a>";
					}
					else
					{
						e.Item .Cells[1].Text="<a href=\"#\" title=\""+e.Item .Cells[1].Text +"\">" + e.Item .Cells[1].Text .Substring (0,20)+"...</a>";
					}
					
				}
				else //标题长度不超过10
				{
					if (linkurltitle !="")
					{
						e.Item .Cells[1].Text="<a href=\""+ linkurltitle+"?documentid="+e.Item.Cells[0].Text +"&type="+optype+"\"  >" + e.Item .Cells[1].Text +"</a>";
					}
					else
					{
						e.Item .Cells[1].Text="<a href=\"#\" >" + e.Item .Cells[1].Text+"</a>";
					}
				}
				//end
				//处理增加的操作列
			//	if(opratercloumnName!="")
				//{
				//	e.Item .Cells[5].Text ="<a href=\"#\"><a href=\"../sendmessage/sendfile.aspx?DocumentID="+e.Item.Cells[0].Text +"\"><img border=0 alt='发文登记' src=\"../images/fw1.gif\"</a>";
			//	}

			}
		}
			
	   	
			

			
		

		#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.dg.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.dg_ItemDataBound);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}