[InvalidOperationException: ExecuteReader: CommandText 属性尚未初始化]
SqlDBHelper.GetDataTable(String sql) in d:\website\李智凤\李智凤\App_code\SqlDBHelper.cs:395
article_list.binddata(String sql1) in d:\website\李智凤\李智凤\article\list.aspx.cs:72
article_list.Page_Load(Object sender, EventArgs e) in d:\website\李智凤\李智凤\article\list.aspx.cs:66
System.Web.UI.Control.OnLoad(EventArgs e) +108
System.Web.UI.Control.LoadRecursive() +90
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533
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