Problem: Textbox value not visible after calendar dayrender event fire

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Hi,

I am working on clendar, in this I have calendar dayrender event is there.

in dayrender event I am assign textbox1.Text="test"; but it is not visible after completing dayrender event?

my code is

<table>
                   <tr>
                       <td>
                       </td>
                       <td>
                           <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
                       </td>
                   </tr>
                   <tr>
                       <td>
                       </td>
                       <td>
                           <asp:Calendar ID="AttenCalendar" runat="server" BackColor="White" BorderColor="SteelBlue"
                               BorderWidth="1px" Font-Names="Verdana" Font-Size="9pt" ForeColor="Black" Height="275px"
                               Width="100%" FirstDayOfWeek="Sunday" NextMonthText="Next >" PrevMonthText="< Prev"
                               NextPrevFormat="ShortMonth" ShowGridLines="false" BorderStyle="None" CssClass="monthCalendar"
                               OnDayRender="AttenCalendar_DayRender" SelectionMode="None" DayNameFormat="FirstLetter"
                               OtherMonthDayStyle-CssClass="otherMonthStyle" DayStyle-CssClass="dayStyle" DayHeaderStyle-CssClass="dayHeaderStyle"
                               WeekendDayStyle-CssClass="weekendDayStyle" TodayDayStyle-CssClass="todayStyle"
                               TitleStyle-CssClass="weekendDayStyle">
                               <%-- <TitleStyle BorderColor="SteelBlue" BorderWidth="1px" Font-Bold="True" Font-Size="10pt"
                                           Height="40px" BackColor="White" ForeColor="Black" HorizontalAlign="Center" VerticalAlign="Middle" />--%>
                           </asp:Calendar>
                       </td>
                   </tr>
               </table>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class Default3 : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void AttenCalendar_DayRender(object sender, DayRenderEventArgs e)
    {
        TextBox1.Text = "hi";
    }
}

may I know what's wrong in this?

Thanks in advance........

Posted 17-Feb-13 20:18pm

Bojjaiah

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S. M. Ahasan Habib · Accepted Answer · 2013-02-17T22:11:00

It might be a bug. After little rnd i found that when I move your TextBox1 from above of the AttenCalendar control to bellow, then value is assigned and displayed.
when I use the bellow code

XML

<div>
        <asp:TextBox ID="txtId" runat="server"></asp:TextBox>
    </div>
    <div>
        <asp:Calendar ID="AttenCalendar" runat="server" BackColor="White" BorderColor="SteelBlue"
                                BorderWidth="1px" Font-Names="Verdana" Font-Size="9pt" ForeColor="Black" Height="275px"
                                Width="100%" FirstDayOfWeek="Sunday" NextMonthText="Next >" PrevMonthText="< Prev"
                                NextPrevFormat="ShortMonth" ShowGridLines="false" BorderStyle="None" CssClass="monthCalendar"
                                OnDayRender="AttenCalendar_DayRender" SelectionMode="None" DayNameFormat="FirstLetter"
                                OtherMonthDayStyle-CssClass="otherMonthStyle" DayStyle-CssClass="dayStyle" DayHeaderStyle-CssClass="dayHeaderStyle"
                                WeekendDayStyle-CssClass="weekendDayStyle" TodayDayStyle-CssClass="todayStyle"
                                TitleStyle-CssClass="weekendDayStyle">
      </asp:Calendar>
    </div>

The textbox value is not assigned/displayed by DayRender event handler.

C#

protected void AttenCalendar_DayRender(object sender, DayRenderEventArgs e)
       {
           txtId.Text ="hi";
       }

But same thing is assigned when my markup like as follows(just textbox1 is bellow of Calender control)

XML

<div>
        <asp:Calendar ID="AttenCalendar" runat="server" BackColor="White" BorderColor="SteelBlue"
                                BorderWidth="1px" Font-Names="Verdana" Font-Size="9pt" ForeColor="Black" Height="275px"
                                Width="100%" FirstDayOfWeek="Sunday" NextMonthText="Next >" PrevMonthText="< Prev"
                                NextPrevFormat="ShortMonth" ShowGridLines="false" BorderStyle="None" CssClass="monthCalendar"
                                OnDayRender="AttenCalendar_DayRender" SelectionMode="None" DayNameFormat="FirstLetter"
                                OtherMonthDayStyle-CssClass="otherMonthStyle" DayStyle-CssClass="dayStyle" DayHeaderStyle-CssClass="dayHeaderStyle"
                                WeekendDayStyle-CssClass="weekendDayStyle" TodayDayStyle-CssClass="todayStyle"
                                TitleStyle-CssClass="weekendDayStyle">
      </asp:Calendar>
    </div>
     <div>
        <asp:TextBox ID="txtId" runat="server"></asp:TextBox>
    </div>

It is assigned and displayed to my page.