[Exception: Fill: SelectCommand.Connection 属性尚未初始化。]
DataAccess.DataSet(String sqlstr) in d:\webhosting\clients\4756ad74-3b88-4a91-9344-b5f8c1ac934a\wwwroot\App_Code\DataAccess.cs:226
tem_pro.Page_Load(Object sender, EventArgs e) in d:\webhosting\clients\4756ad74-3b88-4a91-9344-b5f8c1ac934a\wwwroot\tem\pro.ascx.cs:12
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
System.Web.UI.Control.OnLoad(EventArgs e) +99
System.Web.UI.Control.LoadRecursive() +50
System.Web.UI.Control.LoadRecursive() +141
System.Web.UI.Control.LoadRecursive() +141
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627
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