Dapper icon indicating copy to clipboard operation
Dapper copied to clipboard

Dapper - a simple object mapper for .Net

Results 304 Dapper issues
Sort by recently updated
recently updated
newest added

I'm having trouble narrowing down what's causing this null ref to happen on dapper 2.0.4. The DB is mariadb 10.2 using MySqlConnector 2.1.8 ``` System.NullReferenceException: Object reference not set to...

Veracode static scan reports SQL injection on following methods, dapper.dll -> SqlMapper.cs -> ExecuteCommand dapper.dll -> SqlMapper.cs -> ExecuteReaderWithFlagsFallback Recommendations: Avoid dynamically constructing SQL queries. Instead, use parameterized prepared statements...

I am using .net core 3.1 with dapper 2.0.35 I am getting error "No columns were selected" when using QueryMultiple My code looks like following ```cs public static List GetEntityObjectFromClientId(string...

Add `StreamAsync` alternatives to `connecton.QueryAsync` and `gridReader.ReadAsync` to support `IAsyncEnumerable` in a non-breaking way. Unlike `QueryAsync`, stream will default to unbuffered.

Resolves #818. Adds the static `MatchConstructorParametersWithUnderscores` property for `DefaultTypeMap` which allows matching columns containing underscores to constructor parameters (eg. `user_id` matches `userId`). This commit also renames `MatchNamesWithUnderscores` to `MatchFieldsAndPropertiesWithUnderscores` for...

In https://sodocumentation.net/dapper/topic/13/handling-nulls it states that nulls are handled as follows: "values read that are null are presented as null, or (in the case of mapping to a known type) simply...

My sql ` where usercode in @usercodes",new {usercodes=new string[]{"1","2"}` failed in dapper with npgsql。 ``` List Support Dapper allows you to pass in IEnumerable and will automatically parameterize your query....

I want to add multiple records to a table and get back the IDs, something like this: ``` c# var addedIDs = await connection.QueryAsync(@" insert into myTable (PropA, ProbB) output...

Hi, We've had an issue with a parameterised query on SQL Server returning data for the wrong dates. I've found that this parameter: `new DateTime(2019, 11, 20, 23, 59, 59,...

Hi there, add a missing QueryAsync method overload in order to be able to pass a ComandDefinition on a multi-mapping query. The lack of a CommandDefinition parameter actually prevents the...