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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