dropdown bind issues in asp.net

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in my applications two dropdowns are there one is one page and another one another page both are bind same values.

in my issue is when i select a value that value bind to another dropdown

i am trying this code

ddlyears.Items.FindByValue(ddlfor.SelectedValue);

but it's not working

please give any idea to me.

Posted 22-Jan-14 19:03pm

krish2013

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Karthik_Mahalingam · Answer 1 · 2014-01-22T19:11:00

Solution 1

C#

ddlyears.Items.FindByValue(ddlfor.SelectedValue).Selected =true;

Posted 22-Jan-14 19:11pm

Karthik_Mahalingam

Comments

krish2013 23-Jan-14 1:22am

Hii Karthikk,
Thanks for replyed to me.i tried that but it's not working
please give any alternative idea

Karthik_Mahalingam 23-Jan-14 1:24am

ddlyears and ddlfor in same page ??
both are having same dataonly ?

krish2013 23-Jan-14 1:30am

ya same page

krish2013 23-Jan-14 1:30am

and same data

Karthik_Mahalingam 23-Jan-14 1:54am

try this
var text = ddlfor.SelectedItem.Text;
int index = ddlyears.Items.IndexOf(new ListItem(text));
ddlyears.SelectedIndex = index;

JoCodes · Answer 2 · 2014-01-22T19:51:00

Add a SelectedIndexChanged event for ddlyears and set the Autopostback property to True.

In the SelectedIndexChanged event add

C#

protected void ddlyears_SelectedIndexChanged(object sender, EventArgs e)
        {
            ddlfor.SelectedValue = ddlyears.SelectedValue;// Both have same bound values
        }

Note: As per OP comment , Both DropDowns are in same Page and having same bound data.