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만약 아래와 같은 에러가 뜨면Unable to generate the model because of the following exception: 'System.Data.StrongTypingException: The value for column 'IsPrimaryKey' in table '무슨무슨테이블' is DBNull. ---> System.InvalidCastException: Mysql comment 창 열고 아래 코드 실행1. Open Services (services.msc) and restart MySQL57 service. 2. Execute the following commands in MySQL. use ; set global optimizer_switch='derived_merge=..

First of all, we don't even need to install the mysql-installer-community-5.7.3.0-m13.msi.Install the latest mysql-visualstudio-pluginInstall the latest mysql-connector-netNew C# .Net 4.5 Framework WinForms (for 4.0 it should work based on Does Entity Framework 6 support .NET 4.0? )Install 4 Nuget Packages (follow sequence, if you install Mysql.Data.Entities before EntityFramework, it will resol..