I couldn't obtain value when the selected index position is changed in dropdownlist?

[NithyaJai]

hai,

this is an example code to dispaly the data, if the index position is changed in dropdownlist....
private void ddlcountryid_SelectedIndexChanged(object sender, System.EventArgs e)
{
string temp=ddlcountryid.SelectedItem.ToString();
txtcountryid.Text =temp;
}

but if i execute this,
the value is not displaying when i change the index position, but if i click any button on that page, then the value is shown in the txtcountryid textbox... i don't know y????????

help me....

[channaJ]

hai,

this is an example code to dispaly the data, if the index position is changed in dropdownlist....
private void ddlcountryid_SelectedIndexChanged(object sender, System.EventArgs e)
{
string temp=ddlcountryid.SelectedItem.ToString();
txtcountryid.Text =temp;
}

but if i execute this,
the value is not displaying when i change the index position, but if i click any button on that page, then the value is shown in the txtcountryid textbox... i don't know y????????

help me....

You can do this by setting the AutoPostBack property of the ddl to true.