
“This happens because one of your import statements called 'System.Drawing' that has an Image child object, just like 'System.Web.UI.WebControls' So use a fully qualified namespace reference.”因为System.Drawing下面有个Image类,而同时System.Web.UI.WebControls下面也有个Image控件因此弄的报错,所以只要写全类型转换的namespace就可以了

相关文章:1。http://forums.asp.net/thread/1236833.aspx
2。http://www.thescripts.com/forum/thread261575.html