从ASCX页面返回日期给ASPX页面(日期选择用户控件)

技术2022-05-11 75

// 在ASPX页面传递值给ASCX,然后返回值给ASPX // 在ASPX页面 <% @ Page language = " c# " Codebehind = " WebForm2.aspx.cs " AutoEventWireup = " false " Inherits = " ljl.WebForm2 " %> <% @ Register TagPrefix = " uc1 " TagName = " rq " Src = " rq.ascx " %> <! DOCTYPE HTML PUBLIC " -//W3C//DTD HTML 4.0 Transitional//EN " > < HTML > < HEAD > < title > WebForm2 </ title > < meta name = " GENERATOR " Content = " Microsoft Visual Studio .NET 7.1 " > < meta name = " CODE_LANGUAGE " Content = " C# " > < meta name = " vs_defaultClientScript " content = " JavaScript " > < meta name = " vs_targetSchema " content = " http://schemas.microsoft.com/intellisense/ie5 " > </ HEAD > < body MS_POSITIONING = " GridLayout " > < form id = " Form1 " method = " post " runat = " server " > < asp:TextBox id = " TextBox1 " style = " Z-INDEX: 101; LEFT: 336px; POSITION: absolute; TOP: 168px " runat = " server " ></ asp:TextBox > < asp:Button id = " Button1 " style = " Z-INDEX: 102; LEFT: 504px; POSITION: absolute; TOP: 168px " runat = " server " Text = " 日期选择 " ></ asp:Button > < uc1:rq id = " calen " runat = " server " ></ uc1:rq > </ form > </ body > </ HTML > ------------------------------------------------------------------------------------------------------------------------------------------------- .cs 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; using ljl.admin; namespace ljl { /// <summary> /// WebForm2 的摘要说明。 /// </summary> public class WebForm2 : System.Web.UI.Page { protected System.Web.UI.WebControls.TextBox TextBox1; protected System.Web.UI.WebControls.Button Button1; protected rq calen; private void Page_Load(object sender, System.EventArgs e) { if(!Page.IsPostBack) { calen.hiddens(); } } Web 窗体设计器生成的代码 private void Button1_Click(object sender, System.EventArgs e) { calen.displays("TextBox1"); } }} // 在ASCX页面---------------------------------------------------------------------------------------------------------------------------- <% @ Control Language = " c# " AutoEventWireup = " false " Codebehind = " rq.ascx.cs " Inherits = " ljl.rq " TargetSchema = " http://schemas.microsoft.com/intellisense/ie5 " %> < asp:Calendar id = " Calendar1 " runat = " server " BorderStyle = " Solid " NextPrevFormat = " ShortMonth " BackColor = " White " Width = " 330px " ForeColor = " Black " CellSpacing = " 1 " Height = " 250px " Font - Size = " 9pt " Font - Names = " Verdana " BorderColor = " Black " > < TodayDayStyle ForeColor = " White " BackColor = " #999999 " ></ TodayDayStyle > < DayStyle BackColor = " #CCCCCC " ></ DayStyle > < NextPrevStyle Font - Size = " 8pt " Font - Bold = " True " ForeColor = " White " ></ NextPrevStyle > < DayHeaderStyle Font - Size = " 8pt " Font - Bold = " True " Height = " 8pt " ForeColor = " #333333 " ></ DayHeaderStyle > < SelectedDayStyle ForeColor = " White " BackColor = " #333399 " ></ SelectedDayStyle > < TitleStyle Font - Size = " 12pt " Font - Bold = " True " Height = " 12pt " ForeColor = " White " BackColor = " #333399 " ></ TitleStyle > < OtherMonthDayStyle ForeColor = " #999999 " ></ OtherMonthDayStyle > </ asp:Calendar > ---------------------------------------------------------------------------------------------------------------------------------------------------------- .cs namespace ljl { using System; using System.Data; using System.Drawing; using System.Web; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; /// <summary> /// rq 的摘要说明。 /// </summary> public class rq : System.Web.UI.UserControl { protected System.Web.UI.WebControls.Calendar Calendar1; private void Page_Load(object sender, System.EventArgs e) { // 在此处放置用户代码以初始化页面 } public void hiddens() { this.Calendar1.Visible=false; } public void displays(string sb) { if(this.Calendar1.Visible==false) { this.Calendar1.Visible=true; this.Calendar1.Attributes["caler"]=sb; } else { hiddens(); } } Web 窗体设计器生成的代码 private void Calendar1_SelectionChanged(object sender, System.EventArgs e) { TextBox TextBox1; TextBox1=(TextBox)Page.FindControl(this.Calendar1.Attributes["caler"]); TextBox1.Text=this.Calendar1.SelectedDate.ToShortDateString(); hiddens(); } }}

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