I just recently downloaded 4.2.1 and I’m having problems with multiple .net
projects that make DB queries. This all came up when I got the Xamarin 5.10
upgrade, which wouldn’t run on my OS, so I’m not sure what else could be
contributing to this issue, but all of this code runs fine under 4.0.5. Just
looking for some anecdotal evidence of issues right now.
Here is the kind of errors I am seeing. This is just a call to an sql stored
procedure and the code is pretty simple:
DataSet ds = new DataSet ();
// Issue Query
using (SqlCommand sqlcmd = new SqlCommand(sSqlCommand,
dbConn))
{
SqlDataAdapter sqlda = new
SqlDataAdapter(sqlcmd);
// Set Query Timeout
sqlcmd.CommandTimeout = 900;
// Fill the dataset
sqlda.Fill(ds);
}
System.NullReferenceException: Object reference not set to an instance of an
object
at System.Data.SqlClient.SqlDataReader.GetValues (System.Object[] values)
[0x00021] in
/private/tmp/source-mono-mac-4.2.0-branch/bockbuild-mono-4.2.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.2.1/mcs/class/System.Data/System.Data.SqlClient/SqlDataReader.cs:1266
at
System.Data.ProviderBase.DataReaderContainer+CommonLanguageSubsetDataReader.GetValues
(System.Object[] values) [0x00000] in
/private/tmp/source-mono-mac-4.2.0-branch/bockbuild-mono-4.2.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.2.1/external/referencesource/System.Data/System/Data/ProviderBase/DataReaderContainer.cs:129
at System.Data.ProviderBase.SchemaMapping.LoadDataRow () [0x00000] in
/private/tmp/source-mono-mac-4.2.0-branch/bockbuild-mono-4.2.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.2.1/external/referencesource/System.Data/System/Data/ProviderBase/SchemaMapping.cs:342
at System.Data.Common.DataAdapter.FillLoadDataRow
(System.Data.ProviderBase.SchemaMapping mapping) [0x00069] in
/private/tmp/source-mono-mac-4.2.0-branch/bockbuild-mono-4.2.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.2.1/external/referencesource/System.Data/System/Data/Common/DataAdapter.cs:645
at System.Data.Common.DataAdapter.FillFromReader (System.Data.DataSet
dataset, System.Data.DataTable datatable, System.String srcTable,
System.Data.ProviderBase.DataReaderContainer dataReader, Int32 startRecord,
Int32 maxRecords, System.Data.DataColumn parentChapterColumn, System.Object
parentChapterValue) [0x00089] in
/private/tmp/source-mono-mac-4.2.0-branch/bockbuild-mono-4.2.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.2.1/external/referencesource/System.Data/System/Data/Common/DataAdapter.cs:561
at System.Data.Common.DataAdapter.Fill (System.Data.DataSet dataSet,
System.String srcTable, IDataReader dataReader, Int32 startRecord, Int32
maxRecords) [0x00093] in
/private/tmp/source-mono-mac-4.2.0-branch/bockbuild-mono-4.2.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.2.1/external/referencesource/System.Data/System/Data/Common/DataAdapter.cs:442
at System.Data.Common.DbDataAdapter.FillInternal (System.Data.DataSet
dataset, System.Data.DataTable[] datatables, Int32 startRecord, Int32
maxRecords, System.String srcTable, IDbCommand command, CommandBehavior
behavior) [0x00064] in
/private/tmp/source-mono-mac-4.2.0-branch/bockbuild-mono-4.2.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.2.1/external/referencesource/System.Data/System/Data/Common/DbDataAdapter.cs:539
at System.Data.Common.DbDataAdapter.Fill (System.Data.DataSet dataSet, Int32
startRecord, Int32 maxRecords, System.String srcTable, IDbCommand command,
CommandBehavior behavior) [0x00074] in
/private/tmp/source-mono-mac-4.2.0-branch/bockbuild-mono-4.2.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.2.1/external/referencesource/System.Data/System/Data/Common/DbDataAdapter.cs:436
at System.Data.Common.DbDataAdapter.Fill (System.Data.DataSet dataSet)
[0x00025] in
/private/tmp/source-mono-mac-4.2.0-branch/bockbuild-mono-4.2.0-branch/profiles/mono-mac-xamarin/build-root/mono-4.2.1/external/referencesource/System.Data/System/Data/Common/DbDataAdapter.cs:382
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