自动获取当前日期的下一周或下一月
前台aspx文件
<%@ Page language="c#" Codebehind="WebForm4.aspx.cs" AutoEventWireup="false" Inherits="message1.WebForm4" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>WebForm4</title>
<meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
<meta content="C#" name="CODE_LANGUAGE">
<meta content="JavaScript" name="vs_defaultClientScript">
<meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<asp:dropdownlist id="DropDownList1" style="Z-INDEX: 101; LEFT: 304px; POSITION: absolute; TOP: 104px"
runat="server" AutoPostBack="True" Font-Size="9pt"></asp:dropdownlist>
<asp:Label id="Label3" style="Z-INDEX: 106; LEFT: 496px; POSITION: absolute; TOP: 111px" runat="server"
Font-Size="9pt" Width="16px">周</asp:Label>
<asp:Label id="Label2" style="Z-INDEX: 105; LEFT: 376px; POSITION: absolute; TOP: 111px" runat="server"
Font-Size="9pt" Width="16px">月</asp:Label><asp:dropdownlist id="ddl_Year" style="Z-INDEX: 102; LEFT: 192px; POSITION: absolute; TOP: 104px"
runat="server" Font-Size="9pt"></asp:dropdownlist><asp:dropdownlist id="DropDownList2" style="Z-INDEX: 103; LEFT: 424px; POSITION: absolute; TOP: 104px"
runat="server" Font-Size="9pt"></asp:dropdownlist>
<asp:Label id="Label1" style="Z-INDEX: 104; LEFT: 264px; POSITION: absolute; TOP: 111px" runat="server"
Font-Size="9pt" Width="16px">年</asp:Label>
<asp:Label id="Label4" style="Z-INDEX: 107; LEFT: 48px; POSITION: absolute; TOP: 109px" runat="server"
Font-Size="9pt">填报计划(下一年,月,周)</asp:Label></form>
</body>
</HTML>
后台cs文件
#region 声明
//----------------------------------------------------------------------
//
// 作者: 李淼（Nick.Lee）
//
// 自动获取当前日期下一周的年月日代码
// 时间:2005-2-17
// [email protected]
// QQ:16503096
//
//----------------------------------------------------------------------
#endregion
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 message1
{
/// <summary>
/// WebForm4 的摘要说明。
/// </summary>
public class WebForm4 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.DropDownList ddl_Year;
protected System.Web.UI.WebControls.Calendar Calendar1;
protected System.Web.UI.WebControls.DropDownList DropDownList2;
protected System.Web.UI.WebControls.Label Label3;
protected System.Web.UI.WebControls.Label Label2;
protected System.Web.UI.WebControls.Label Label1;
protected System.Web.UI.WebControls.Label Label4;
protected System.Web.UI.WebControls.DropDownList DropDownList1;
private void Page_Load(object sender, System.EventArgs e)
{
if(IsPostBack==false)
{
int ii=System.DateTime.Now.Year;
this.ddl_Year.Items.Add(ii.ToString());
ii=ii+1;
this.ddl_Year.Items.Add(ii.ToString());
for(int i=1;i<=12;i++)
{
System.Web.UI.WebControls.ListItem item=new ListItem();
item.Text=i.ToString();
this.DropDownList1.Items.Add(item);
}
if(System.DateTime.Now.Month.ToString()=="12")
{
DropDownList1.Items[0].Selected=true;
ddl_Year.Items[1].Selected=true;
}
else
{
DropDownList1.Items[System.DateTime.Now.Month].Selected=true;
}
System.DateTime time1=new DateTime();
time1=System.Convert.ToDateTime(System.DateTime.Now.Year+"-01-01");
int weekNum=0;
switch(time1.DayOfWeek.ToString())
{
case"Sunday":
weekNum=6;
break;
case"Monday":
weekNum=7;
break;
case"Tuesday":
weekNum=8;
break;
case"Wednesday":
weekNum=9;
break;
case"Thursday":
weekNum=10;
break;
case"Friday":
weekNum=11;
break;
case"Saturday":
weekNum=12;
break;
}
System.DateTime time2=new DateTime();
System.TimeSpan Span1=System.DateTime.Now.Date-time1.Date;
int day1=System.Convert.ToInt32(Span1.Days);
day1=day1+weekNum+1;
int weeks=System.Convert.ToInt32(day1/7);
for(int i=1;i<=52;i++)
{
System.Web.UI.WebControls.ListItem item1=new ListItem();
item1.Text=i.ToString();
this.DropDownList2.Items.Add(item1);
}
if(weeks.ToString()=="53")
{
DropDownList2.Items[1].Selected=true;
ddl_Year.Items[1].Selected=true;
}
else if(weeks.ToString()=="52")
{
ddl_Year.Items[1].Selected=true;
DropDownList2.Items[0].Selected=true;
}
else
{
DropDownList2.Items[weeks].Selected=true;
}
}
// 在此处放置用户代码以初始化页面
}
#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.DropDownList1.SelectedIndexChanged += new System.EventHandler(this.DropDownList1_SelectedIndexChanged);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void DropDownList1_SelectedIndexChanged(object sender, System.EventArgs e)
{
this.Response.Write(this.DropDownList1.SelectedItem.Text);
}
}
}
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