“/Blog”应用程序中的服务器错误。
无法打开登录所请求的数据库 "MyBlogs"。登录失败。
用户 'USER29\student' 登录失败。
说明: 执行当前 Web 请求期间，出现未处理的异常。请检查堆栈跟踪信息，以了解有关该错误以及代码中导致错误的出处的详细信息。
异常详细信息: System.Data.SqlClient.SqlException: 无法打开登录所请求的数据库 "MyBlogs"。登录失败。
用户 'USER29\student' 登录失败。
源错误:
行 44: string name = TextBox1.Text;
行 45: string psd = TextBox2.Text;
行 46: bool bl = new lognMessage().select(name, psd);
行 47: if (bl == true)
行 48: {
源文件: f:\Blog\Login.aspx.cs 行: 46
堆栈跟踪:
[SqlException (0x80131904): 无法打开登录所请求的数据库 "MyBlogs"。登录失败。
用户 'USER29\student' 登录失败。]
System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +115
System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +346
System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +3430
System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK) +56
System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject) +383
System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart) +517
System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +362
System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +272
System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +687
System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +82
System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +558
System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +126
System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +651
System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +160
System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +122
System.Data.SqlClient.SqlConnection.Open() +229
DAL.SqlHelp.ExecuteQueryselect(String Sql, SqlParameter[] pras) in E:\黄太洪\黄太洪\Blog\DAL\SqlHelp.cs:44
DAL.LognDAL.Select(String name, String psd, String type) in E:\黄太洪\黄太洪\Blog\DAL\LognDAL.cs:30
BLL.lognMessage.select(String name, String psd) in E:\黄太洪\黄太洪\Blog\BLL\lognMessage.cs:24
Login.Button1_Click(Object sender, EventArgs e) in f:\Blog\Login.aspx.cs:46
System.Web.UI.WebControls.Button.OnClick(EventArgs e) +96
System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +116
System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +31
System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +32
System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +72