[NullReferenceException: 未将对象引用设置到对象的实例。]
   shop_share.user_simple.crsj() in D:\SHOP\shop_share\Register\user_simple.aspx.vb:341
   shop_share.user_simple.okbtn_Click(Object sender, ImageClickEventArgs e) in D:\SHOP\shop_share\Register\user_simple.aspx.vb:635
   System.Web.UI.WebControls.ImageButton.OnClick(ImageClickEventArgs e) +109
   System.Web.UI.WebControls.ImageButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +71
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +18
   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +33
   System.Web.UI.Page.ProcessRequestMain() +1292