When i select the item in dropdown that item should be shown in textbox

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Design as follows

Code dropdonwlist

In the above dropdownlist code as follows

MFA
TFA
RFA
VAC

suppose when i select the TFA in dropdown that TFA should be displayed in the textbox.

for that how can i do in asp.net using csharp.

Example as follows

Code TFA(dropdownlist) when i select the TFA in dropdown that TFA should be in textbox

Certificate TFA(textbox)

Regards,
Narasiman P.

Posted 23-Oct-13 23:13pm

Member 8054539

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thatraja · Answer 1 · 2013-10-23T23:22:00

Solution 2

Assign the selected value/Text of Dropdownlist to TextBox in Dropdownlist's SelectedIndexChanged Event[^]

And you should start learn C# & ASP.NET. Learn Learn Learn!
Education Needed[^]

Posted 23-Oct-13 23:22pm

thatraja

codestar007 · Answer 2 · 2013-10-23T23:18:00

Solution 1

you can use the selected Index Chnaged event of the combo to fill the value

C#

cmb_selectedIndexChanged()
{
 textBox1.Text = cmb.SelectedItem.Text.ToString();
}

Posted 23-Oct-13 23:18pm

codestar007

dharmesh15 · Answer 3 · 2013-10-23T23:23:00

Solution 3

C#

protected void DDLcardSelection_SelectedIndexChanged(object sender, EventArgs e)
    {
txtval.Text=DDLcardSelection.SelectedItem.Text;
}

Posted 23-Oct-13 23:23pm

dharmesh15

NagarajDJ · Answer 4 · 2013-10-24T00:00:00

Don't go for code behind, this can be possible in Javascript only.

XML

<script type="text/javascript">
function getDropdownListSelectedText()
{
var DropdownList=document.getElementById('<%=aspdropdown.ClientID %>');
var SelectedIndex=DropdownList.selectedIndex;
var SelectedValue=DropdownList.value;
var SelectedText=DropdownList.options[DropdownList.selectedIndex].text;

var TextBox=document.getElementById('<%=TextBox.ClientID %>');
var sValue='Index: '+SelectedIndex+' Selected Value: '+SelectedValue+' Selected Text: '+SelectedText;

TextBox.innerHTML=sValue;
}
</script>