DapperLib/Dapper.Contrib

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Dapper community contributions - additional extensions for Dapper

Stars: 293
Forks: 109
Open beginner issues: 0
Indexed issues: 146

Dominant language: C#
License: No license data
Last GitHub push: Aug 18, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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146 open issues indexed

Get<T>()/Update() entity tracking changes and issues Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#98 · Opened Mar 29, 2018
possibility to add custom adapter to Dapper.Contrib Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#23 · 3 comments · 6 reactions · Opened Mar 24, 2018
SQL logic error near ")": syntax error - with Contrib Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

DapperLib/Dapper.Contrib#34 · 2 comments · Opened Mar 16, 2018
Dapper.Contrib Updates Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

DapperLib/Dapper.Contrib#71 · Opened Mar 8, 2018
explicit key caching issue after update Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#70 · 1 comment · Opened Feb 26, 2018
MySQL Insert does not return inserted ID if you do not open the connection first Open

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

DapperLib/Dapper.Contrib#64 · 1 comment · 1 reaction · Opened Feb 19, 2018
Dapper Contrib Insert Update not working Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#66 · 2 comments · Opened Feb 6, 2018
Dapper Snapshotter Updates "modified" Properties rather than "changed" Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

DapperLib/Dapper.Contrib#101 · 1 comment · Opened Jan 18, 2018
dapper.contrib can insert <T> return the explicite key Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#67 · Opened Jan 5, 2018
Dapper Contrib - Insert method throw null reference error when parameter is IEnumerable Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#82 · Opened Dec 15, 2017
Missing Dapper.Contrib.StrongName Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#27 · 5 comments · Opened Nov 28, 2017
Sysbase dapper.contrib support Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

DapperLib/Dapper.Contrib#74 · Opened Nov 11, 2017
Dapper error on insert record in Firebird Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#76 · 1 comment · Opened Oct 11, 2017
Dapper Contrib - doesnt insert into database unless all fields values are provided. Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#75 · 1 comment · Opened Oct 11, 2017
Handling RowVersion for optimistic concurrency during update Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

DapperLib/Dapper.Contrib#68 · 9 comments · 3 reactions · Opened Sep 27, 2017
Adding Dapper.Contrib Attributes to model carries dependency with Dapper library (and dapper.Contrib) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

DapperLib/Dapper.Contrib#77 · 2 comments · Opened Sep 5, 2017
No way to exclude properties during an update Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#32 · 2 comments · Opened Sep 2, 2017
Dapper.Contrib ArgumentException: Entity must have at least one [Key] or [ExplicitKey] property Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

DapperLib/Dapper.Contrib#29 · 10 comments · 3 reactions · Opened Aug 17, 2017
Insert/Update of interfaced type Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#102 · 1 comment · Opened Jul 28, 2017
Contrib: Why is the id parameter of the Get method dynamic? Open

Difficulty 1/5 1-3 hours Newbie friendliness 45/100

DapperLib/Dapper.Contrib#78 · 1 comment · Opened Jul 4, 2017
Insert returns 0 when using a string as an ExplicitKey on an object Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#69 · 3 comments · Opened Jun 12, 2017
Dapper.Contrib when insert occurred "ORA-00928" for oracle Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

DapperLib/Dapper.Contrib#6 · 13 comments · 7 reactions · Opened Jun 5, 2017
ExplicitKey value is occasionally null upon insert Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

DapperLib/Dapper.Contrib#52 · 14 comments · 7 reactions · Opened May 30, 2017
Table Attribute is being ignored Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

DapperLib/Dapper.Contrib#97 · 1 comment · Opened May 5, 2017
`Insert` method always returns 0 when using [ExplicitKey]. Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

DapperLib/Dapper.Contrib#79 · 1 comment · 1 reaction · Opened Apr 26, 2017
Can't use Dapper.Contrib CRUD methods with model inheritance Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

DapperLib/Dapper.Contrib#80 · Opened Apr 24, 2017
Expand CommandDefinition.OnCompleted to pass the DBCommand (allow for items like mysql last insert id to be fetched easier) Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

DapperLib/Dapper.Contrib#105 · 2 comments · Opened Apr 21, 2017
Dapper.Contrib InsertAsync w/ mysql has problems with inserted ID (auto increment key column) and high concurrency Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

DapperLib/Dapper.Contrib#63 · 3 comments · 1 reaction · Opened Apr 21, 2017
Dapper.Contrib readme documentation needs clarification about non-attributed "id" Open

Difficulty 1/5 Under an hour Newbie friendliness 75/100

DapperLib/Dapper.Contrib#22 · 2 comments · Opened Feb 28, 2017
Insert return identity 0 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

DapperLib/Dapper.Contrib#30 · 4 comments · 1 reaction · Opened Feb 24, 2017
Dapper.Contrib Key caching issue Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

DapperLib/Dapper.Contrib#21 · 11 comments · 6 reactions · Opened Feb 13, 2017
Contrib request for upsert method Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

DapperLib/Dapper.Contrib#7 · 5 comments · 9 reactions · Opened Feb 12, 2017
Remove reference type constraint from Contrib extension methods Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#86 · Opened Oct 10, 2016
Found one bug in Dapper.Contrib (1.50.0.0) while inserting an entity with long id value Open

Difficulty 1/5 Under an hour Newbie friendliness 42/100

DapperLib/Dapper.Contrib#19 · 4 comments · Opened Sep 15, 2016
Exception in Dapper.Contrib SqlMapperExtension during the Insert "Value was either too large or too small for an Int32" Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

DapperLib/Dapper.Contrib#20 · 2 comments · Opened Sep 13, 2016
dapper.contrib insert single data always return 0 but the data is inserted in database successfully Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#84 · 4 comments · Opened Aug 19, 2016
Contrib: Insert - No Return Value if trigger (instead of insert) on table Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#87 · Opened Aug 19, 2016
Insert with Nullable<int> Id gives "Invalid cast" error Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

DapperLib/Dapper.Contrib#25 · 12 comments · Opened Aug 5, 2016
Contrib : HasDefault, AllowNulls([True, False]) Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

DapperLib/Dapper.Contrib#40 · 3 comments · 3 reactions · Opened Jul 26, 2016
Inconsistent return value for Insert/InsertAsync in Dapper Contrib Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

DapperLib/Dapper.Contrib#83 · 2 comments · Opened Jul 13, 2016
Dapper.Contrib Update ignores mapping Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#2 · 20 comments · 3 reactions · Opened May 9, 2016
Dapper.Contrib - Allow custom ISqlAdapter Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#10 · 3 comments · Opened Apr 7, 2016
Dapper.Contrib + Async + CancellationToken Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

DapperLib/Dapper.Contrib#85 · 5 comments · 7 reactions · Opened Mar 11, 2016
ArgumentOutOfRangeException in Firebird ADO Client dll when trying to insert string longer than 4000 characters Open

DapperLib/Dapper.Contrib#89 · 5 comments · 1 assignee · Opened Feb 26, 2016
TimeSpan SqlLite Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#39 · 17 comments · Opened Feb 21, 2016
Dapper.Contrib "Insert" throws "Cannot convert null to 'int' because it is a non-nullable value type" when trying to call insert extension method while not using identity column at database Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

DapperLib/Dapper.Contrib#48 · 10 comments · Opened Jan 15, 2016

DapperLib/Dapper.Contrib

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