审批流
第一种：
【FlowPath代码】
using System;
using System.Collections.Generic;using System.Linq;using System.Web;/// <summary>
/// FlowPath 的摘要说明/// </summary>public partial class FlowPath{ public string Name { get { MyDBDataContext Context=new MyDBDataContext(); var query = context.Emp.Where(p => p.UserName == this.EmpId); if (query.Count() > 0) { return query.First().Name; } return ""; }}
}【登录源】
<title></title>
</head><body> <form id="form1" runat="server"> <div> 用户名：<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox> <br /> 密码：<asp:TextBox ID="TextBox2" runat="server"></asp:TextBox> <br /> <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="登录" /> </div> </form></body>【登录代码】
using System;
using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;public partial class _Default : System.Web.UI.Page
{ protected void Page_Load(object sender, EventArgs e) {}
protected void Button1_Click(object sender, EventArgs e) { Session["user"] = TextBox1.Text; Response.Redirect("~/Test/Main.aspx"); }}【Main源】
<title></title>
</head><body> <form id="form1" runat="server"> <div> <uc1:UserList ID="UserList1" runat="server" /> <uc2:NodesShow ID="NodesShow1" runat="server" /> </div> </form></body>【Main代码】
using System;
using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;public partial class Main : System.Web.UI.Page
{ protected void Page_Load(object sender, EventArgs e) { UserList1.Show += NodesShow1.ShowSession; }}【NodesShow源】
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="NodesShow.ascx.cs" Inherits="NodesShow" %>
<asp:Panel ID="Panel1" runat="server"> <asp:Repeater ID="Repeater1" runat="server" OnItemCommand="Repeater1_ItemCommand"> <HeaderTemplate> <table width="300" border="0" align="center"> </HeaderTemplate> <ItemTemplate> <tr> <td width="220"><%#Eval("Name") %></td> <td width="44"> <asp:ImageButton ID="ImageButton1" OnClick="ImageButton1_Click" runat="server" CommandArgument="<%#SetKey() %>" ImageUrl="~/images/delete.png"/></td> </tr> </ItemTemplate> <SeparatorTemplate> <tr> <td> <asp:Image ID="Image1" runat="server" ImageUrl="~/images/arrow.png" /></td> <td></td> </tr> </SeparatorTemplate> <FooterTemplate> </table> </FooterTemplate> </asp:Repeater> <br /> <asp:Button ID="btnSubmit" runat="server" Text="提交" OnClick="btnSubmit_Click" /></asp:Panel>【NodesShow代码】
using System;
using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;public partial class NodesShow : System.Web.UI.UserControl
{ private string SetKey() { return Eval("Code").ToString(); } protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { ShowSession(); } } private void ShowSession() { if (Session["list"] != null) { List<FlowPath>list=Session["list"]as List<FlowPath>; Repeater1.DataSource = list; Repeater1.DataBind(); } }protected void btnSubmit_Click(object sender, EventArgs e)
{}
protected void ImageButton1_Click(object sender, EventArgs e)
{ //删除的代码 //1.获取要删除的主键 string key = (sender as ImageButton).CommandArgument.ToString(); //2.执行删除 if (Session["list"] != null) { List<FlowPath> list = Session["list"] as List<FlowPath>; FlowPath data=list.Where(p => p.Code == key).First(); list.Remove(data); Session["list"] = list; } //3.刷新 ShowSession(); }}【UserList源】
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="UserList.ascx.cs" Inherits="UserList" %>
<asp:Panel ID="Panel1" runat="server" HorizontalAlign="Center"> <asp:Repeater ID="Repeater1" runat="server"> <ItemTemplate> <input type="radio" name="rbusers" value="<%#Eval("UserName") %>"><%#Eval("Name") %> </ItemTemplate> </asp:Repeater> <br/> <asp:Button ID="btnAddNode" runat="server" Text="添加节点" OnClick="btnAddNode_Click" /></asp:Panel>【UserList代码】
using System;
using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;public partial class UserList : System.Web.UI.UserControl
{ //定义代理新类型 public delegate void ShowDelegate(); //使用代理类型定义代理变量 public event ShowDelegate Show;private MyDBDataContext_Context=new MyDBDataContext();
protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { var query = _Context.Emp; Repeater1.DataSource=query; Repeater1.DataBind(); } } protected void btnAddNode_Click(object sender, EventArgs e) { //一、获取之前添加的人员列表 if(Session["list"]==null) { List<FlowPath>temp=new List<FlowPath>(); Session["list"]=temp; } List<FlowPath>list=Session["list"]as List<FlowPath>; } //二、添加选中人员 //1.计算人员排序号 list=list.OrderBy(p=>p.Orders).ToList(); int order=1; if(list.Count>0) { order=list.Last().Orders.Value+1; } //2.生成节点对象 FlowPath data=new FlowPath(); data.Code=DateTime.Now.ToString("yyyyMMddhhmmss")+order+Session["user"].ToString(); data.EmpId=Request["rbusers"].ToString(); data.Orders=order; //3.把对象添加到集合当中去 list.Add(data); //4.把数据送到Session中保存 Session["list"]=list; //三、重新绑定NodeShow中的Repeater //重新调用 if(Show!=null) { Show(); }}第二种：
【FlowPath代码】
using System;
using System.Collections.Generic;using System.Linq;using System.Web;/// <summary>
/// FlowPath 的摘要说明/// </summary>public partial class FlowPath{ private MyDBDataContext_Context=new MyDBDataContext(); public string Name { get { string empID=this.EmpId; var query=_Context.Emp.Where(p=>p.UserName==empID); if(query.Count()>0) { return query.First().Name; } return ""; } }}【登录源】
<title></title>
</head><body> <form id="form1" runat="server"> 用户名：<asp:TextBox ID="txtUID" runat="server"></asp:TextBox> <br /> 密码：<asp:TextBox ID="txtPWD" runat="server"></asp:TextBox> <br /> <asp:Button ID="btnLogin" runat="server" OnClick="btnLogin_Click" Text="登录" /> </form></body>【登录代码】
using System;
using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;public partial class _Default : System.Web.UI.Page
{ private MyDBDataContext_Context = new MyDBDataContext(); protected void Page_Load(object sender, EventArgs e) {}
protected void btnLogin_Click(object sender, EventArgs e) { var query=_Context.Emp.Where(p=>p.UserName==txtUID.Text&&p.password==txtPWD.Text); if(query.Count()>0) { Session["user"]=txtUID.Text; Response.Redirect("Main.aspx"); } }}【Main源】
<title></title>
</head><body> <form id="form1" runat="server"> <div> <asp:RadioButtonList ID="rblUsers" runat="server" RepeatDirection="Horizontal"> </asp:RadioButtonList> <br /> <asp:Button ID="Button1" runat="server" Text="添加节点" OnClick="Button1_Click" /> <br /> <asp:Repeater ID="Repeater1" runat="server"> <ItemTemplate> <div> <%#Eval("EmpID") %> <asp:ImageButton ID="ImageButton1" CommandArgument="<%#ShowKey() %>" OnClick="ImageButton1_Click" runat="server" ImageUrl="~/images/delete.png"/> </div> </ItemTemplate> <SeparatorTemplate> <asp:Image ID="Image1" ImageUrl="~/images/arrow.png" runat="server" /> </SeparatorTemplate> </asp:Repeater> </div> <asp:Button ID="Button2" runat="server" Text="提交" /> </form></body>【Main代码】
using System;
using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;public partial class Main : System.Web.UI.Page
{ private MyDBDataConrtext_Context=new MyDBDataContext(); protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { if(Session["list"]==null) { Response.Redirect("Default.aspx"); } //加载人员列表数据 LoadEmp(); } } public string ShowKey() { return Eval("Code").ToString(); } private void LoadEmp() { var query = _Context.Emp; rblUsers.DataSource=query; rblUsers.DataTextField="Name"; rblUsers.DataValueField="UserName"; rblUsers.DataBind(); } protected void Button1_Click(object sender, EventArgs e) { //从集合中把session取出来 if(Session["list"]==null) { List<FlowPath>temp=new List<FlowPath>(); Session["list"]=temp; } List<FlowPath>list=Session["list"]as List<FlowPath>; //找最大索引号 int maxOrders=0; if(list.Count>0) { list=list.OrderByDescending(p=>p.Orders).ToString(); int maxOrder=list.First().Orders.Value; } maxOrder++; //向session中添加对象 FlowPath data=new FlowPath(); data.Code=DateTime.Now.ToString("yyyyMMddhhmmss")+maxOrder.ToString()+Session["user"].ToString(); data.EmpId=rblUsers.SelectedValue; data.Orders=maxOrder; list.Add(data); list=list.OrderBy(p=>p.Orders).ToList(); Session["list"]=list; //页面显示 Repeater1.DataSource=list; Repeater1.DataBind(); } protected void ImageButton1_Click(object sender, ImageClickEventArgs e) { //取出要删除项的主键值 ImageButton btn=sender as ImageButton; string key=btn.CommandArgument.ToString(); //从session中删除对应项 if(Session["list"]=null) { List<FlowPath>list=Session["list"]as List<FlowPath>; var query=list.Where(p=>p.Code==key); if(query.Count()>0) { FlowPath data=query.First(); list.Remove(data); Session["list"]=list; Repeater1.DataSource=list; Repeater1.DataBind(); } } }}