I have datagrid, in ItemCreated event, I created a
dropdown list link to a datatable, now I can't selected a
item I want. I try lots of way,

ddlUserName.Items.FindByValue("1111").Selected = true

ddlUserName.Items.FindByText("mytext").Selected = True

ddlUserName.SelectedIndex = 2

ddlUserName.SelectedIndex = ddlUserName.Items.IndexOf
(ddlUserName.Items.FindByValue("1111"))


Thanks.