[InvalidCastException: Object cannot be cast from DBNull to other types.]
System.DBNull.System.IConvertible.ToInt32(IFormatProvider provider) +60
MySql.Data.MySqlClient.Driver.LoadCharacterSets(MySqlConnection connection) +484
MySql.Data.MySqlClient.Driver.Configure(MySqlConnection connection) +170
MySql.Data.MySqlClient.MySqlConnection.Open() +774
System.Data.EntityClient.EntityConnection.OpenStoreConnectionIf(Boolean openCondition, DbConnection storeConnectionToOpen, DbConnection originalConnection, String exceptionCode, String attemptedOperation, Boolean& closeStoreConnectionOnFailure) +40
[EntityException: The underlying provider failed on Open.]
System.Data.EntityClient.EntityConnection.OpenStoreConnectionIf(Boolean openCondition, DbConnection storeConnectionToOpen, DbConnection originalConnection, String exceptionCode, String attemptedOperation, Boolean& closeStoreConnectionOnFailure) +217
System.Data.EntityClient.EntityConnection.Open() +129
System.Data.Objects.ObjectContext.EnsureConnection() +85
System.Data.Objects.ObjectQuery`1.GetResults(Nullable`1 forMergeOption) +49
System.Data.Objects.ObjectQuery`1.System.Collections.Generic.IEnumerable<T>.GetEnumerator() +41
System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) +430
System.Linq.Enumerable.ToList(IEnumerable`1 source) +73
CapaDatos.DAOs.servicios.traerTodos(String SortColumns) in D:\Proyectos\WebSites\Transporte Junco\CapaDatos\DAOs\servicios.cs:34
FrontEnd.bolsa.cargarTrabajos() in D:\Proyectos\WebSites\Transporte Junco\FrontEnd\bolsa.aspx.cs:24
System.Web.UI.Control.OnLoad(EventArgs e) +108
System.Web.UI.Control.LoadRecursive() +90
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533
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