C# e、 Item.FindControl抛出未设置为对象实例的对象引用
下面是引发异常的重复程序代码部分。。。“Computer.Administrators”是StringCollection对象。调试器显示“AdminsEnumerator.Current”获取正确的字符串值,但当“txtAdministrators.Text”尝试设置值时,会引发异常。请帮忙提些想法C# e、 Item.FindControl抛出未设置为对象实例的对象引用,c#,asp.net,repeater,findcontrol,C#,Asp.net,Repeater,Findcontrol,下面是引发异常的重复程序代码部分。。。“Computer.Administrators”是StringCollection对象。调试器显示“AdminsEnumerator.Current”获取正确的字符串值,但当“txtAdministrators.Text”尝试设置值时,会引发异常。请帮忙提些想法 <asp:Repeater ID="repeatAdministrators" OnItemDataBound="repeatAdministrators_ItemDataBound" ru
<asp:Repeater ID="repeatAdministrators" OnItemDataBound="repeatAdministrators_ItemDataBound" runat="server">
<HeaderTemplate>
<tr>
<td class="formLabel">
Administrators:
</td>
<td class="formInputText">
</HeaderTemplate>
<ItemTemplate>
<asp:TextBox ID="txtAdministrators" runat="server" MaxLength="50" Enabled="False"></asp:TextBox><br />
</ItemTemplate>
<FooterTemplate>
</td> </tr>
<tr>
</FooterTemplate>
</asp:Repeater>
您需要确保不在标题项中:
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
}
(很抱歉,这是内存中的,但应该放在ItemDataBound方法中)我确认。(为您修复了语法)谢谢,在我的mac上,没有快速访问MSDN或Intellisense:)
if(e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
}