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    3. PostBack()之后如何保留只读文本框的文本?

      How to keep the Text of a Read only TextBox after PostBack()?(PostBack()之后如何保留只读文本框的文本?)

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              • 本文介绍了PostBack()之后如何保留只读文本框的文本?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                问题描述

                我有一个 ASP.NET TextBox,我希望它是 ReadOnly.(用户使用另一个控件对其进行修改)

                I have an ASP.NET TextBox and I want it to be ReadOnly. (The user modify it using another control)

                但是当有 PostBack() 时,文本会被重置为空字符串.

                But when there is a PostBack(), The text get reset to an empty string.

                我了解,如果您将 ReadOnly 属性设置为 TextBoxTrue,则其内容不会通过 PostBack().

                I understand that if you set the ReadOnly property to True of a TextBox it's content does not get saved through PostBack().

                有没有办法在 PostBack() 之后保留内容并使 TextBox 用户不可编辑?

                Is there a way to keep the content after PostBack() and make the TextBox not editable by the user?

                我尝试将Enabled属性设置为False,但是PostBack()之后内容仍然没有保存.

                I tried to set the Enabled property to False,But still the content doesn't save after PostBack().

                推荐答案

                我找到的另一个更简单的解决方案:

                Another solution I found and easier one:

                将此添加到页面加载方法中:

                Add this to the Page Load method:

                protected void Page_Load(object sender, EventArgs e)
                {
                     TextBox1.Attributes.Add("readonly", "readonly");
                }
                

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