data:1在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误。未找到或无法访问服务器。请验证实例名称是否正确并且 SQL Server 已配置为允许远程连接。 (provider: TCP Provider, error: 0 - 等待的操作过时。) 在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) 在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) 在 System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) 在 System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) 在 System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) 在 System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) 在 System.Data.SqlClient.SqlConnection.Open() 在 B2b.DBUtility.SqlHelper.PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, CommandType cmdType, String cmdText, SqlParameter[] cmdParms) 位置 f:\mywork\b2b168\b2bweb\B2bBase\SQLHelper.cs:行号 195 在 B2b.DBUtility.SqlHelper.ExecuteReader(String connectionString, CommandType cmdType, String cmdText, SqlParameter[] commandParameters) 位置 f:\mywork\b2b168\b2bweb\B2bBase\SQLHelper.cs:行号 127 在 B2b.Shop.ShopBase.GetDataRec(Int32 iValue, Boolean bRenew) 位置 f:\mywork\b2b168\b2bweb\B2bBase\ShopBase.cs:行号 4637 https:// 2025-06-23 Always 1.0 https://home.aspx2025-06-23Always0.8 https://contact.aspx2025-06-23Always0.8 https://shop/supply/m276681p1.html2025-06-23Always0.8 https://shop/supply/m276682p1.html2025-06-23Always0.8 https://shop/supply/m276688p1.html2025-06-23Always0.8 https://shop/supply/117831274.htmlAlways0.8 https://shop/supply/117829900.htmlAlways0.8 https://shop/supply/117829432.htmlAlways0.8 https://shop/supply/117828584.htmlAlways0.8 https://shop/supply/117824954.htmlAlways0.8 https://shop/supply/117824587.htmlAlways0.8 https://shop/supply/117823156.htmlAlways0.8 https://shop/supply/117787113.htmlAlways0.8 https://shop/supply/117760154.htmlAlways0.8 https://shop/supply/115305960.htmlAlways0.8 https://shop/supply/115305697.htmlAlways0.8 https://shop/supply/115304026.htmlAlways0.8 https://shop/supply/115302859.htmlAlways0.8 https://shop/supply/115302660.htmlAlways0.8 https://shop/supply/115302264.htmlAlways0.8 https://shop/supply/115301897.htmlAlways0.8 https://shop/supply/115300867.htmlAlways0.8 https://shop/supply/115300726.htmlAlways0.8 https://shop/supply/114826054.htmlAlways0.8 https://shop/supply/114824686.htmlAlways0.8 https://shop/supply/114824313.htmlAlways0.8 https://shop/supply/114817816.htmlAlways0.8 https://shop/supply/114817649.htmlAlways0.8 https://shop/supply/114817379.htmlAlways0.8 https://shop/supply/114817029.htmlAlways0.8 https://shop/supply/114816587.htmlAlways0.8 https://shop/supply/47263785.htmlAlways0.8 https://shop/supply/47262771.htmlAlways0.8 https://shop/supply/47261983.htmlAlways0.8 https://shop/supply/47259964.htmlAlways0.8 https://shop/supply/47257784.htmlAlways0.8 https://shop/supply/47256477.htmlAlways0.8 https://shop/supply/47256263.htmlAlways0.8 https://shop/supply/47207813.htmlAlways0.8 https://shop/supply/47206945.htmlAlways0.8 https://shop/supply/47206145.htmlAlways0.8 https://shop/supply/47205780.htmlAlways0.8 https://shop/supply/44176136.htmlAlways0.8 https://shop/supply/44175830.htmlAlways0.8 https://shop/supply/44174505.htmlAlways0.8 https://shop/supply/44174395.htmlAlways0.8 https://shop/supply/44174217.htmlAlways0.8 https://shop/supply/44174140.htmlAlways0.8 https://shop/supply/38262612.htmlAlways0.8 https://shop/supply/38262290.htmlAlways0.8 https://shop/supply/38262202.htmlAlways0.8 https://shop/supply/38262138.htmlAlways0.8 https://shop/supply/38261801.htmlAlways0.8 https://shop/supply/38261253.htmlAlways0.8 https://shop/supply/38261081.htmlAlways0.8 https://shop/supply/38261017.htmlAlways0.8 https://shop/supply/38260926.htmlAlways0.8 https://shop/supply/38260882.htmlAlways0.8