Hi Sarah,
I believe you're experiencing this bug:
https://bugzilla.xamarin.com/show_bug.cgi?id=35857
We're aware of it.
--
Rodrigo
On Wed, Nov 18, 2015 at 6:13 PM, Sarah Weissman <sweiss...@stsci.edu> wrote:
> 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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