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- Dictionarydapper/ˈdapə/
adjective
- 1. neat and trim in dress and appearance (typically used of a man): "he looked very dapper in a dark silk suit"
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May 10, 2011 · Create an interface to define Dapper methods those you actually need: public interface IDatabaseHub { long Execute<TModel>(string storedProcedureName, TModel model, string dbName); /// <summary> /// This method is used to execute the stored procedures with parameter.This is the generic version of the method.
Jan 18, 2012 · using (var conn = ConnectionFactory.GetConnection()) {. var person = conn.Query<Person>(sql).ToList(); return person; } The above code won't work as the column names don't match the object's (Person) properties. In this scenario, is there anything i can do in Dapper to manually map (e.g person_id => PersonId) the column names with object ...
Mar 22, 2018 · What is the purpose of Dapper's [ExplicitKey] attribute? In this example generated SQL is absolutely identical, regardless of whether the key is applied or not. exec sp_executesql N'insert into
Dapper by itself: 1.889 milliseconds per query, using 3 lines of code to return the dynamic. Dapper + Slapper.Automapper: 2.463 milliseconds per query, using an additional 3 lines of code for the query + mapping from dynamic to POCO Entities. Worked Example. In this example, we have list of Contacts, and each Contact can have one or more phone ...
In the C# code, make use of the AddTable () extension method of DynamicParameters. The method can be found in DapperParameters NuGet package: Dapper.ParameterExtensions. var parameters = new DynamicParameters(); parameters.AddTable("@dataErrors", "core.DataErrorType", dataErrors);
Jul 14, 2022 · INSERT INTO Tests VALUES(NULL,1); INSERT INTO Tests VALUES(NULL,5); COMMIT; sqlite>. Table Test also exists, but that is a minor issue. I thought table should have the same name as the class, so I did create the table as Test, but on failure I created table Tests with same structure. The real question is the two NULL values in the created records.
May 17, 2019 · This is due to the finicky nature in which PostgreSQL might use a UDT/composite type when being returned from a function. For example, if the UDT is one of 2 or more columns being returned, PostgreSQL returns the result set with the UDT column in the shape of (val1, val2). However, if the thing being returned is just the UDT, PostgreSQL will ...
Apr 18, 2012 · Edit: With a rather huge result set, another option might be to use multiple querys and then use a Grid Reader. That might work for you. There's the example taken from the dapper age: var customer = multi.Read<Customer>().Single(); var orders = multi.Read<Order>().ToList(); var returns = multi.Read<Return>().ToList();
Mar 1, 2012 · 13. I've just started working with Dapper and I don't seem to find something very simple like mapping an entity to a table in my database: I have a stored procedure: SELECT UserId,LastName,FirstName,EmailAddress. FROM users. WHERE UserID = @UserId. Then an entity: public int Id { get; set; } public string LastName { get; set; }
Adding to Ehsan & Pawan Nepal answer above, I came up with a solution which works for .NET Core and .NET both. Below are the steps to do this. 1.Create Extension method to convert model to Data Table ( Thanks to Ehsan for providing extension method above). public static DataTable ToDataTable<T>(this List<T> iList) {.
