在回发页面文本框值很清楚 [英] at postback page textbox value is clear

问题描述

在我的项目中，我有启用的文本框，当我点击按钮时我设置了弹出日历，然后它回复后显示文本框值

In My Project i have text-box which is enabled ,i set popup calender when i click on button and it goes post-back it clear textbox value

<%@ Page Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" Title="Untitled Page" %>

<%@ Register assembly="AjaxControlToolkit" namespace="AjaxControlToolkit" tagprefix="cc1" %>

<asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
    <asp:TextBox ID="TextBox1" runat="server" Enabled="False" ReadOnly="True"></asp:TextBox>
    <cc1:CalendarExtender ID="TextBox1_CalendarExtender" runat="server"

        Enabled="True" PopupButtonID="Button2" TargetControlID="TextBox1">
    </cc1:CalendarExtender>
    <asp:Button ID="Button2" runat="server" Height="25px" Text="+"

        Width="39px" />
    <br />
    <asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="add" />
</asp:Content>

推荐答案

参考：

回发后文本框值丢失 [ ^ ]

http://stackoverflow.com/questions/8011555 / how-to-prevent-my-textbox-from-clearing-text-on-postback [ ^ ]

希望这会有所帮助。

Refer:
TextBox values are lost after postback[^]
http://stackoverflow.com/questions/8011555/how-to-prevent-my-textbox-from-clearing-text-on-postback[^]
Hope this will help.

如果某个控件被禁用，则无法对其进行编辑，并且当表单为提交。



如果控件是只读的，则无法编辑，但其内容（如果有）仍包含在提交中。

If a control is disabled it cannot be edited and its content is excluded when the form is submitted.

If a control is readonly it cannot be edited, but its content (if any) is still included with the submission.

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