OA系统

开发平台：
C#

NotificationGrid.cs：源码内容
							﻿using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.ComponentModel;
namespace OThinker.H3.Portal
{
    /// <summary>
    /// 用于显示消息的控件
    /// </summary>
    [DefaultProperty("Text"),
    ToolboxData("<{0}:NotificationGrid runat=server></{0}:NotificationGrid>")]
    public class NotificationGrid : DataGrid
    {
        #region 列集合
        protected BoundColumn NotificationIDColumn = new BoundColumn();
        protected int NotificationIDColumnIndex
        {
            get
            {
                return this.Columns.IndexOf(this.NotificationIDColumn);
            }
        }
        protected BoundColumn FromColumn = new BoundColumn();
        protected int FromColumnIndex
        {
            get
            {
                return this.Columns.IndexOf(this.FromColumn);
            }
        }
        protected BoundColumn ToColumn = new BoundColumn();
        protected int ToColumnIndex
        {
            get
            {
                return this.Columns.IndexOf(this.ToColumn);
            }
        }
        protected BoundColumn WorkflowPackageColumn = new BoundColumn();
        protected int WorkflowPackageColumnIndex
        {
            get
            {
                return this.Columns.IndexOf(this.WorkflowPackageColumn);
            }
        }
        protected BoundColumn WorkflowNameColumn = new BoundColumn();
        protected int WorkflowNameColumnIndex
        {
            get
            {
                return this.Columns.IndexOf(this.WorkflowNameColumn);
            }
        }
        protected BoundColumn WorkflowVersionColumn = new BoundColumn();
        protected int WorkflowVersionColumnIndex
        {
            get
            {
                return this.Columns.IndexOf(this.WorkflowVersionColumn);
            }
        }
        protected BoundColumn InstanceIDColumn = new BoundColumn();
        protected int InstanceIDColumnIndex
        {
            get
            {
                return this.Columns.IndexOf(this.InstanceIDColumn);
            }
        }
        protected BoundColumn TitleColumn = new BoundColumn();
        protected int TitleColumnIndex
        {
            get
            {
                return this.Columns.IndexOf(this.TitleColumn);
            }
        }
        protected BoundColumn UrlColumn = new BoundColumn();
        protected int UrlColumnIndex
        {
            get
            {
                return this.Columns.IndexOf(this.UrlColumn);
            }
        }
        protected BoundColumn ReceiveTimeColumn = new BoundColumn();
        protected int ReceiveTimeColumnIndex
        {
            get
            {
                return this.Columns.IndexOf(this.ReceiveTimeColumn);
            }
        }
        protected BoundColumn StateColumn = new BoundColumn();
        protected int StateColumnIndex
        {
            get
            {
                return this.Columns.IndexOf(this.StateColumn);
            }
        }
        private void InitializeColumn(BoundColumn Column, string HeaderText, string DataField)
        {
            Column.HeaderText = HeaderText;
            Column.DataField = DataField;
            Column.ItemStyle.CssClass = this.ItemStyle.CssClass;
            this.Columns.Add(Column);
        }
        #endregion
        public NotificationGrid()
        {
            this.AutoGenerateColumns = false;
            this.ItemDataBound += new DataGridItemEventHandler(Grid_ItemDataBound);
            this.PageIndexChanged += new DataGridPageChangedEventHandler(WorkItemGrid_PageIndexChanged);
            this.AllowPaging = true;
            this.PagerStyle.Mode = PagerMode.NumericPages;
            this.InitializeColumn(this.NotificationIDColumn,    "NotificationID",   OThinker.Data.Database.Serialization.SerializableObject.PropertyName_ObjectID);
            this.InitializeColumn(this.FromColumn,              "发送方",           OThinker.H3.Notification.Notification.PropertyName_SenderID);
            this.InitializeColumn(this.ToColumn,                "接收方",           OThinker.H3.Notification.Notification.PropertyName_ReceiverID);
            this.InitializeColumn(this.WorkflowPackageColumn,   "工作流类型",       OThinker.H3.Notification.Notification.PropertyName_WorkflowPackage);
            this.InitializeColumn(this.WorkflowNameColumn,      "工作流名称",       OThinker.H3.Notification.Notification.PropertyName_WorkflowName);
            this.InitializeColumn(this.WorkflowVersionColumn,   "工作流版本",       OThinker.H3.Notification.Notification.PropertyName_WorkflowVersion);
            this.InitializeColumn(this.InstanceIDColumn,        "流程ID",           OThinker.H3.Notification.Notification.PropertyName_InstanceId);
            this.InitializeColumn(this.TitleColumn,             "主题",             OThinker.H3.Notification.Notification.PropertyName_Title);
            this.InitializeColumn(this.ReceiveTimeColumn,       "接收时间",         OThinker.H3.Notification.Notification.PropertyName_SendTime);
            this.InitializeColumn(this.StateColumn,             "状态",             OThinker.H3.Notification.Notification.PropertyName_State);
            this.InitializeColumn(this.UrlColumn,               "Url",              null);
        }
        private System.Data.DataTable WorkItemTable;
        public void BindDataGrid(System.Data.DataTable Table)
        {
            this.WorkItemTable = Table;
            this.DataSource = Table;
            this.DataBind();
        }
        protected override void Render(HtmlTextWriter writer)
        {
            if (this.DesignMode)
            {
                base.Render(writer);
            }
            else if (this.WorkItemTable == null || this.WorkItemTable.Rows.Count == 0)
            {
                writer.Write("没有找到消息");
            }
            else
            {
                base.Render(writer);
            }
        }
        protected virtual void Grid_ItemDataBound(object sender, DataGridItemEventArgs e)
        {
            if (e.Item.ItemType != ListItemType.Header && e.Item.ItemType != ListItemType.Footer)
            {
                e.Item.Cells[this.UrlColumnIndex].Text = PortalPage.PageName_NotificationDetail + "?" + PortalPage.Param_NotificationID + "=" +e.Item.Cells[this.NotificationIDColumnIndex].Text;
            }
        }
        private void WorkItemGrid_PageIndexChanged(object source, DataGridPageChangedEventArgs e)
        {
            this.CurrentPageIndex = e.NewPageIndex;
            this.DataBind();
        }
    }
}

						