editstreamfirst.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.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace OI.Stream
{
	/// <summary>
	/// EditStreamFirst 的摘要说明。
	/// </summary>
	public class EditStreamFirst :OI.PageBase
	{
		protected System.Web.UI.WebControls.LinkButton LinkButton1;
		protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
		protected System.Web.UI.HtmlControls.HtmlInputText StreamName;
		protected System.Web.UI.HtmlControls.HtmlTextArea Description;
		protected System.Web.UI.WebControls.LinkButton Linkbutton3;
		protected System.Web.UI.WebControls.Label lStreamID;
		protected System.Web.UI.WebControls.Label lStream;
		protected System.Web.UI.HtmlControls.HtmlForm Form1;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if (Session["userid"]==null)
			{
				Response.Write ("<script>alert('超时,请重新登录');top.location.href='../userpass.aspx';</script>");
				return ;
			}
			if(this.IsPostBack)
				return;
			int streamID=0;
			try
			{
				streamID=System.Convert.ToInt32(Request.QueryString["StreamID"]);
				ViewState["type"]=Request.Params["type"].ToString ();
			}
			catch
			{
				Response.Write("<script language=javascript>\n alert(\"没有此工作流，请检查地址栏传入的参数是否正确\");\n history.back(); \n</script>");
				Response.End();
			}

			//若有使用该流程的文件还未结束处理，导向流程查看页面
			OI.desktop .StreamDetail sd=new OI.desktop.StreamDetail ();
			 if(sd.streamIsUsing(streamID) )
			//if (IsUsing(streamID))
			{		
				Response.Redirect("../desktop/StreamDetail.aspx?streamID=" + streamID.ToString(),true);
//				Response.Write("<script language=javascript>\n 	window.location.href=\"../desktop/StreamDetail.aspx?streamID=" + streamID.ToString() + "\"; \n</script>");
//				Response.End();
			}

			this.dataBind(streamID);
		}
		private void dataBind(int streamID)
		{
			OI.Data.Streams.Stream oStream=new OI.Data.Streams.Stream();
			if(oStream.Search(streamID))
			{
				this.lStreamID.Text=oStream.StreamID.ToString();
				this.StreamName.Value=oStream.StreamName;
				this.Description.Value=oStream.Description;
				this.lStream.Text=oStream.StreamDef;
			}
			else
			{
				Response.Write("<script language=javascript>\n alert(\"没有此工作流，请检查地址栏传入的参数是否正确\");\n history.back(); \n</script>");
				Response.End();
			}
		}

		/// <summary>
		/// 判断流程是否有文档正在使用(黎斌2003.12.27）
		/// </summary>
		/// <param name="streamID">流程ID</param>
		private bool IsUsing(int streamID)
		{
			OI.DatabaseOper.DatabaseConnect oConn = new OI.DatabaseOper.DatabaseConnect();
			string szSql = "select DocumentID from Document where StreamID="+streamID.ToString()+" and CompleteSign=0";
			DataSet ds = oConn.getBinding(szSql,"Temp");
			if (ds.Tables["Temp"].Rows.Count > 0)
				return true;
			else
				return false;
		}


		#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.LinkButton1.Click += new System.EventHandler(this.LinkButton1_Click);
			this.Linkbutton3.Click += new System.EventHandler(this.Linkbutton3_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void LinkButton1_Click(object sender, System.EventArgs e)
		{
			if(!this.IsValid)
				return;
			string StreamName=this.StreamName.Value;
			string Description=this.Description.Value;
			if(this.EditStream(System.Int32.Parse(this.lStreamID.Text),StreamName,System.Int32.Parse(this.User.Identity.Name),this.lStream.Text,this.Description.Value))
			{
				Response.Redirect("addStreamSecond.aspx?StreamID="+this.lStreamID.Text+"&type="+ViewState["type"].ToString ());
			}
			else
			{
				this.RegisterClientScriptBlock("","<script>\n alert(\"修改流程失败，请检查输入的字数是否过多！\")\n</script>");
			}
		}
		private bool EditStream(int StreamID,string StreamName,int UserID,string Stream,string Description)
		{
			OI.Business.Stream oStream=new OI.Business.Stream(this.lStream.Text);
			OI.Data.Streams oStreams=new OI.Data.Streams();
			string stream=this.lStream.Text;//流程文件名
			if(oStreams.EditStream(StreamID,StreamName,UserID,Stream,Description))
			{
				return true;
			}
			else
			{
				
				return false;
			}
		}

		private void Linkbutton3_Click(object sender, System.EventArgs e)
		{
			if(!this.IsValid)
				return;
			string StreamName=this.StreamName.Value;
			string Description=this.Description.Value;
			if(this.EditStream(System.Int32.Parse(this.lStreamID.Text),StreamName,System.Int32.Parse(this.User.Identity.Name),this.lStream.Text,this.Description.Value))
			{
				Response.Redirect("StreamList.aspx?type="+ViewState["type"].ToString ());
			}
			else
			{
				this.RegisterClientScriptBlock("","<script>\n alert(\"修改流程失败，请检查输入的字数是否过多！\")\n</script>");
			}
		}
	}
}