Why does the check box keep the JS write value while the text box cannot?

Source: Internet
Author: User

Why does the check box keep the JS write value while the text box cannot?

< Script >
Function Sel ()
{
Alert (form1.checkbox2. Checked );
Document. getelementbyid ( " Checkbox1 " ). Checked = Form1.checkbox2. checked;
Form1.textbox4. Value =   " Test " ;
}
</ Script >

< ASP: checkbox ID = "Checkbox1" Runat = "Server" > </ ASP: checkbox >
< ASP: checkbox ID = "Checkbox2" Runat = "Server" Onclick = "Sel ()" > </ ASP: checkbox >
< ASP: textbox ID = "Textbox4" Runat = "Server" > </ ASP: textbox >

< ASP: button ID = "Button5" Runat = "Server" Text = "Button" > </ ASP: button >

Private void button5_click (Object sender, system. eventargs E)
{
Response. Write (checkbox1.checked. tostring () + "<br> ");
Response. Write (textbox4.text );
}

When checkbox2 is selected, checkbox1 is also selected, and,ProgramOutput True.
While textbox4 did not output the value test after hitting button5. Or empty.
It must be obtained through request.

Why?

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.