OA系统

开发平台：
C#

InstanceData.aspx.cs：源码内容
							﻿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 OThinker.H3.Portal
{
	/// <summary>
	/// Summary description for CaseData.
	/// </summary>
    public partial class InstanceData : PortalPage
	{
		private System.Data.DataTable ValueTable = new DataTable();
		private System.Collections.ArrayList ValueList = new ArrayList();
		protected void Page_Load(object sender, System.EventArgs e)
		{
			string instanceId = this.Request.QueryString[Param_InstanceId];
            if (instanceId != null && instanceId != "" && instanceId != Instance.InstanceContext.NullObjectID)
			{
                string processCatalog = OThinker.H3.Server.Engine.InstanceManager.GetInstanceWorkflowPackage(instanceId);
                string processName = OThinker.H3.Server.Engine.InstanceManager.GetInstanceWorkflowName(instanceId);
                int processVersion = OThinker.H3.Server.Engine.InstanceManager.GetInstanceWorkflowVersion(instanceId);
				
				// 获得工作流
                H3.WorkflowTemplate.WorkflowTemplate workflow = this.GetWorkflow(
					processCatalog, 
					processName, 
					processVersion);
                Data.InstanceData data = new OThinker.H3.Data.InstanceData(
                    OThinker.H3.Server.Engine.InstanceDataManager,
                    OThinker.H3.Server.Engine.WorkflowManager,
                    OThinker.H3.Server.Engine.InstanceManager,
                    instanceId,
                    Instance.Token.UnspecifiedID,
                    workflow,
                    null,
                    this.UserValidator.UserID,
                    null);
                
				if(workflow.DataItems != null)
				{
					this.ValueTable.Columns.Clear();
					this.ValueTable.Columns.Add("Name");
					this.ValueTable.Columns.Add("Type");
					this.ValueTable.Columns.Add("Value");
					this.ValueTable.Columns.Add("ViewDataTrailText");
					this.ValueTable.Columns.Add("ViewDataTrailUrl");
					this.ValueList.Clear();
					foreach(OThinker.H3.Data.WorkflowDataItem processItem in workflow.DataItems)
					{
                        // 显示这条流程数据
                        System.Data.DataRow row = this.ValueTable.NewRow();
                        this.ValueTable.Rows.Add(row);
                        row["Name"] = processItem.ItemName;
                        row["Type"] = processItem.LogicTypeName;
                        if (processItem.Trackable)
                        {
                            row["ViewDataTrailText"] = "查看";
                            row["ViewDataTrailUrl"] =
                                PageName_InstanceDataTrack + "?" +
                                Param_InstanceId + "=" + instanceId + "&" +
                                Param_ItemName + "=" + System.Web.HttpUtility.UrlEncode(processItem.ItemName);
                        }
                        object itemValue = null;
                        if (!OThinker.H3.Data.DataLogicTypeConvertor.IsAttachmentType(processItem.LogicType))
                        {
                            // 非附件类型
                            itemValue = data[processItem.ItemName].Value;
                        }
                        else
                        {
                            // 是附件类型
                            itemValue = 
                                "<a href="" + 
                                PageName_ReadAttachment + "?" + 
                                Param_InstanceId + "=" + instanceId + "&" + 
                                Param_ItemName + "=" + System.Web.HttpUtility.UrlEncode(processItem.ItemName) + 
                                "">" + "查看附件" + "</a>";
                        }
                        this.ValueList.Add(itemValue);
					}
				}
			}
			this.InstanceDataGrid.DataSource = this.ValueTable;
			this.InstanceDataGrid.DataBind();
		}
		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: This call is required by the ASP.NET Web Form Designer.
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{    
			this.InstanceDataGrid.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.InstanceDataGrid_ItemDataBound);
		}
		#endregion
		private void InstanceDataGrid_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
		{
			if(e.Item.ItemType != System.Web.UI.WebControls.ListItemType.Header && 
				e.Item.ItemType != System.Web.UI.WebControls.ListItemType.Footer)
			{
				System.Web.UI.WebControls.WebControl control = null;
				object itemValue = this.ValueList[e.Item.ItemIndex];
				if(itemValue == null)
				{
					control = new Label();
					((Label)control).Text = "null";
				}
				else if(itemValue.GetType().BaseType == typeof(System.Array))
				{
					Table table = new Table();
					control = table;
					for(int count=0; count<((System.Array)itemValue).Length; count++)
					{
						TableRow arrayTableRow = new TableRow();
						table.Rows.Add(arrayTableRow);
						this.AddCell(arrayTableRow, count.ToString() + ":	") ;
						object arrayElementValue = ((System.Array)itemValue).GetValue(count);
						if(arrayElementValue == null)
						{
							this.AddCell(arrayTableRow, "null");
						}
						else
						{
							this.AddCell(arrayTableRow, arrayElementValue.ToString().Replace("n", "<BR>"));
						}
					}
				}
				else
				{
					control = new Label();
					((Label)control).Text = itemValue.ToString().Replace("n", "<BR>");
				}
				e.Item.Cells[2].Controls.Add(control);
			}
		}
		private void AddCell(TableRow Row, string Content)
		{
			TableCell cell = new TableCell();
			cell.Attributes.Add("valign", "top");
			Row.Cells.Add(cell);
			Label label = new Label();
			cell.Controls.Add(label);
			label.Text = Content;
		}
	}
}

						