get value of ddl, txtbox, calendar used in user control on main page using findcontrol in asp.net c#? -

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i want task in want using findcontrol during use of webusercontrol on web form value of webusercontrol on main page mean, i've created webusercontrol , have used on web form. in webusercontrol.ascx page use textbox, calendar, , dropdownlist. want value(which choose txtbox, ddl etc) should display on main page. mean, want use button on default.aspx page , in variable want store value of txtbox, calendar etc. , using findcontrol want these values on main page. how can plz me code plz i'm new in programing.

this code of ascx page   <%@ control language="c#" classname="calendarusercontrol" %>     <asp:textbox id="txtdata" runat="server"></asp:textbox> <br />     <asp:calendar id="calendar1" runat="server" backcolor="beige" >     </asp:calendar>      <br/>     <asp:dropdownlist id="ddlthings" runat="server">      <asp:listitem> apple</asp:listitem>     <asp:listitem> banana</asp:listitem>     <asp:listitem> mango</asp:listitem>     <asp:listitem> grapes</asp:listitem>      </asp:dropdownlist> default.aspx page  <div>     <uc1:calendarusercontrol id="calendarusercontrol1" runat="server" />     <br />     <asp:button id="button1" runat="server" onclick="btn_click" text="button" />     <br />     <asp:label id="label1" runat="server" text="label"></asp:label> </div>

define properties in user control, return values of controls want. example

public partial class calendarusercontrol: usercontrol {    // code-behind of user control    public string data    {       {return txtdata.text;}    }     public datetime calendardate    {       {return calendar1.selecteddate;}    }     // same approach drop down list ddlthings }

then in aspx page, read values, example in btn_click event handler

protected void btn_click(object sender, eventargs e) {    var textboxvalue = calendarusercontrol1.data;    var calendarvalue = calendarusercontrol1.calendardate;    //.... }

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