有关于DataList中的一个问题?错误121'ASP.contentinfobrowcontaspx'doesnotcontainadefinitionfor'DataList1SelectedIndexChanged'andnoextensionmethod'DataList1SelectedIndexChanged'acceptingafirstargumentoftype'ASP.content

Question

有关于DataList中的一个问题?
错误 121 'ASP.contentinfo_browcont_aspx' does not contain a definition for
'DataList1_SelectedIndexChanged' and no extension method
'DataList1_SelectedIndexChanged' accepting a first argument of type
'ASP.contentinfo_browcont_aspx' could be found (are you missing a using directive
or an assembly reference?)
出现这样的错误提示怎么解决.

Answer 1

你为你的DataList定义了SelectedIndexChanged事件,但是却没在后台添加对应的处理该事件的方法：DataList1_SelectedIndexChanged.
你要在后台添加名为DataList1_SelectedIndexChanged的方法（如果已经有该方法,则肯定是定义为private的了,这时只需要将该方法改为protected或public的就可以了）：
protected void DataList1_SelectedIndexChanged(object sender, ventArgs e)
{
//TODO:
}