-1
protected void Page_Init(object sender, EventArgs e)
{ }
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
DropDownList1.DataSource = SomeObject.GetData();
DropDownList1.DataBind();
} }
protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
{
var selvalue = DropDownList1.SelectedValue;
DoSomething(selvalue);
}
如果ViewState處於關閉狀態,請幫助我正確使用此代碼。如何關閉ViewState以優化代碼?
什麼不行? 'DropDownList1.SelectedValue'爲null? – jrummell