如何纠正错误 [英] How to correct the error

问题描述

Builld是suceess，页面已运行，但值未保存.此错误正在显示如何清除错误


!!!从Hdr_AccountType获取数据时发生错误.不存在从对象类型System.Web.UI.WebControls.ListItem到已知托管提供程序本机类型的映射.

The Builld are suceess and the page are run but value are not save. This error are display how to clear the error


!!! An Error Occured While getting Data From Hdr_AccountType.No mapping exists from object type System.Web.UI.WebControls.ListItem to a known managed provider native type.

推荐答案

检查这些

DropDownList错误 [使用VB代码使用下拉列表的选定值来绑定数据网格的问题 [

Check these

DropDownList Error[^]

Trouble using VB code to bind a datagrid using dropdownlist''s selected value[^]

BTW please always include more details(including code) in your question.

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