1，建立存储过程create PROCEDURE [dbo].[p_Company_Insert] @CompanyCollection [CompanyTableType] READONLY AS INSERT INTO tb_Company ([cpID],[cpHiID],[cpBuySellTypeID],[cpName],[cpShortName],[cpIndustry],[cpSell],[cpBuy],[cpAddressID],[cpAddress],[cpPost],[cpTel])SELECT oc.[cpID],oc.[cpHiID],oc.[cpBuySellTypeID],oc.[cpName],oc.[cpShortName],oc.[cpIndustry],oc.[cpSell],oc.[cpBuy],oc.[cpAddressID],oc.[...
此问题似乎与Npgsql 3.0.0中的某些内容(在Dapper 1.42下有所更改)有关.我得出了这个结论,因为以下代码在将Npgsql 2.2.3与相同版本的Dapper一起使用时可以正常工作：public struct MyStruct {private readonly int _val;public MyStruct(int i) { _val = i; }public int MyInt { get { return _val; } } }public class MyStructHandler : SqlMapper.TypeHandler<MyStruct> {public override MyStruct Parse(object value){if (value...