Question

源错误: 执行当前 Web 请求期间生成了未处理的异常。可以使用下面的异常堆栈跟踪

堆栈跟踪:

[SqlException: SQL Server 不存在或访问被拒绝。]
System.Data.SqlClient.ConnectionPool.GetConnection(Boolean& isInTransaction) +474
System.Data.SqlClient.SqlConnectionPoolManager.GetPooledConnection(SqlConnectionString options, Boolean& isInTransaction) +372
System.Data.SqlClient.SqlConnection.Open() +384
System.Data.Common.DbDataAdapter.QuietOpen(IDbConnection connection, ConnectionState& originalState) +44
System.Data.Common.DbDataAdapter.FillFromCommand(Object data, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +304
System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +77
System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable) +36
elib3.index.Page_Load(Object sender, EventArgs e) +431
System.Web.UI.Control.OnLoad(EventArgs e) +67
System.Web.UI.Control.LoadRecursive() +35
System.Web.UI.Page.ProcessRequestMain() +731

Answer 1

我想这个是你数据库连接SqlConnectionString出了问题，你在你的.aspx文件里的页指令里加上Debug="true"，就可以看到你倒底是那句代码出了问题