Transferring same Data from One TextBox To Another TextBox

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Hello All,
I have Two TextBoxes.when I fill one TextBox Then On Clicking Checkbox,the data of TextBox will be filled into second TextBox.How It can be done.

Thanks With Regards,
Amit Mehan

Posted 30-Jun-10 0:27am

amit2620

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**JF2015** · Answer 1 · 2010-06-30T00:32:00

Solution 2

Thats easy.

If you have two text boxes (textBox1 and textBox2) and a CheckBox (checkBox1) you just need to add the following line to the checkBox1.CheckedChanged EventHandler

textBox2.Text = textBox1.Text

Posted 30-Jun-10 0:32am

JF2015

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Ankur^\m/ 30-Jun-10 7:03am

I would advice OP to use JavaScript to do the same. The method you have told does a unnecessary post-back.

OriginalGriff · Answer 2 · 2010-06-30T00:30:00

Solution 1

In the CheckBox Click event:

textBox2.Text = textBox1.Text;

Posted 30-Jun-10 0:30am

OriginalGriff

Comments

Ankur^\m/ 30-Jun-10 7:04am

I would advice OP to use JavaScript to do the same. The method you have told does a unnecessary post-back.

Prosanta Kundu online · Answer 3 · 2010-06-30T00:34:00

If you want to do in client side then

1. Add onclick event handler in checkbox (javascript)

JavaScript

function clicked(objCheckBox)
        {
            document.getElementById("<% =TextBox2.ClientID %>").value = document.getElementById("<% =TextBox1.ClientID %>").value;
        }

2. Add onclick event handler to checkbox

CheckBox1.Attributes.Add("onclick", "clicked(this)");

If you want to do in server side then simply add CheckChanged event

VB

<asp:CheckBox ID="CheckBox1" runat="server"
        oncheckedchanged="CheckBox1_CheckedChanged" />

And in aspx.cs page

C#

protected void CheckBox1_CheckedChanged(object sender, EventArgs e)
    {
        TextBox2.Text = TextBox1.Text;
    }

Shining Legend · Answer 4 · 2010-06-30T22:18:00

Solution 4

just an addition to Answer1, you need to set autopostback=TRUE for the checkbox otherwise the checkChanged event for checkbox will not fire.

Posted 30-Jun-10 22:18pm

Shining Legend