在母版中加了ContentPlaceHolder控件,id为ContentPlaceHolder1 里边有textbox控件
内容页中有 <%@ MasterType VirtualPath="~/MasterPage.master" %>
后台代码:
ContentPlaceHolder mpContentPlaceHolder = (ContentPlaceHolder)Master.FindControl(ContentPlaceHolder1)
if (mpContentPlaceHolder != null)
{
mpTextBox = (TextBox)mpContentPlaceHolder.FindControl(TextBox1);
if (mpTextBox != null)
{
mpTextBox.Text = "TextBox is find";
}
}
运行提示:当前上下文中不存在名称“ContentPlaceHolder1”请大家看看,是哪错了.谢谢!
内容页中有 <%@ MasterType VirtualPath="~/MasterPage.master" %>
后台代码:
ContentPlaceHolder mpContentPlaceHolder = (ContentPlaceHolder)Master.FindControl(ContentPlaceHolder1)
if (mpContentPlaceHolder != null)
{
mpTextBox = (TextBox)mpContentPlaceHolder.FindControl(TextBox1);
if (mpTextBox != null)
{
mpTextBox.Text = "TextBox is find";
}
}
运行提示:当前上下文中不存在名称“ContentPlaceHolder1”请大家看看,是哪错了.谢谢!
中 “ContentPlaceHolder1”加双引号。。