[英]No mapping exists from object type System.Web.UI.WebControls.ListItem to a known managed provider native type with dropdown
Error occurs when I execute with following parameter 使用以下参数执行时发生错误
hobj.Add("@ItemPublisher", ddlPublisher.SelectedItem);
I've tried SelectedItem
, SelectedValue
and SelectedIndex
, but it didn't work. 我尝试了SelectedItem
, SelectedValue
和SelectedIndex
,但是没有用。 Any solution? 有什么办法吗?
从您的字段名称中删除“ @”,并在SelectedItem的位置使用Value。
hobj.Add("ItemPublisher", ddlPublisher.Value);
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