在文本框中输入的值应动态显示

问题描述

我的ASPX页面中有一个文本框和一个按钮控件.应当动态显示在文本框中输入的值.

I have one textbox and one button control in my ASPX page. Values entered in the textbox should be displayed dynamically.

推荐答案

//define a page level variable OR a hidden field 
// lets name it allValuesOfTextbox
// Now, in button click event:
allValuesOfTextbox += myTextbox.Text ; // if it was a page level variable
someLabelOnWebpage = allValuesOfTextbox; 

allValuesOfTextbox.Value += myTextbox.Text ; // if hidden field
someLabelOnWebpage = allValuesOfTextbox.Value;

string fullText = "";
void AddText(string text)
{
    fullText += text;
    //or this one if you want to display multiline text
    //don''t forget to set the Multiline property of your text box to true in the designer.
    //fullText += Environment.NewLine + text;
    UpdateTextBox();
}
void UpdateTextBox()
{
    textbox.Text = fullText;
}

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