Question
I use VS2012 and SQL Server 2012
I add Dapper to my VS2012 like this
I have one class like this :
public class DomainClass
{
public SexEnum sex { get; set; }
public int Id { get; set; }
public string Name { get; set; }
}
enum SexEnum
{
Men = 0, Women = 1
}
I have a table ATest and i have a query like this :
Select * From ATest
How i can execute this query and convert my result in to IList of DomainClass with Dapper ?
Accepted Answer
public static IList<DomainClass> GetAllDomains()
{
using (var con = new SqlConnection(Properties.Settings.Default.YourConnection))
{
const String sql = "Select sex, Id, Name From ATest ORDER BY Name ASC;";
con.Open();
IList<DomainClass> domains = con.Query<DomainClass>(sql).ToList();
return domains;
}
}
Popular Answer
I write this static class and this extension method :
/// <summary>
/// Put this Class in your project
/// and use ConvertSqlQueryToIList extension method on SqlConnection object.
/// </summary>
public static class Convert
{
public static IList<T> ConvertSqlQueryToIList<T>(
this SqlConnection sqlConn,
T domainClass,
string sqlQueryCommand
)
{
ConnectionState connectionState = ConnectionState.Closed;
try
{
if (sqlConn.State != ConnectionState.Open)
{
sqlConn.Open();
connectionState = sqlConn.State;
}
IList<T> result = sqlConn.Query<T>(sqlQueryCommand).ToList();
return result;
}
catch (Exception exception)
{
throw exception;
}
finally
{
if (connectionState == ConnectionState.Closed)
sqlConn.Close();
}
}
}
And i fond that Dapper convert int field in to Enum property,
like Sex property in my quetsion.
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