[Exception: 在从服务器接收结果时发生传输级错误。 (provider: TCP 提供程序, error: 0 - 指定的网络名不再可用。)]
DAL.SqlServerHelper.ExecuteScalar(String connectionString, CommandType cmdType, String cmdText, SqlParameter[] commandParameters) in D:\中华铜业网\中华铜业网\DAL\SqlServerHelper.cs:105
DAL.ProInfo.pro_getComId(String ProId) in D:\中华铜业网\中华铜业网\DAL\ProInfo.cs:57
BLL.ProInfo.pro_getComId(String ProId) in D:\中华铜业网\中华铜业网\BLL\ProInfo.cs:30
ViewProducts.Page_Load(Object sender, EventArgs e) in c:\Users\Administrator\Desktop\项目\alu\中华铜业网\web\ViewProducts.aspx.cs:22
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.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627
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