[InvalidOperationException: The ConnectionString property has not been initialized.]
System.Data.SqlClient.SqlConnection.PermissionDemand() +6060414
System.Data.SqlClient.SqlConnectionFactory.PermissionDemand(DbConnection outerConnection) +27
System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +156
System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +22
System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) +92
System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +219
System.Data.SqlClient.SqlConnection.Open() +101
System.Data.Common.DbDataAdapter.FillInternal(DataSet dataset, DataTable[] datatables, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +121
System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, Int32 startRecord, Int32 maxRecords, String srcTable, IDbCommand command, CommandBehavior behavior) +138
System.Data.Common.DbDataAdapter.Fill(DataSet dataSet, String srcTable) +87
STLClasses.Engine.GetField(String SqlQuery, String FieldName) in E:\Indravijay\Project\Service\Shwet\DllType\STLClasses\STLClasses\Class1.vb:251
BookSearchaspx.BindBook(Int32 pageToSelect) +2448
BookSearchaspx.Page_Load(Object sender, EventArgs e) +1364
System.Web.UI.Control.OnLoad(EventArgs e) +97
System.Web.UI.Control.LoadRecursive() +61
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693
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