一个小的测试,有错误,请解决
代码如下:
protected System.Web.UI.HtmlControls.HtmlGenericControl d;
private string str_body;
private void Page_Load(object sender, System.EventArgs e)
{
str_body = "";
if(!Page.IsPostBack)
{
str_body+="<table cellpadding=6 cellspacing=0 width=100% align=center bordercolor=#0099cc border=1>";
for(int i=0;i<3;i++)
{
str_body+="<TR><TD>"+i+"</TD><TD>"+(i+1)+"</TD></TR>";
}
d.InnerHtml = str_body;
}
}
错误:d.InnerHtml = str_body;未将对象引用设置到对象的实例,怎么回事啊