Question Denis Zaripov · Dec 10, 2017 Cache and Database Hi, I'm a student, weak programming. I ask for your help, I write a program in C #, there are two tables, but I do not understand how to organize the connection between them many to many. Table in DataGridView1 from DataSet1 on Form1 key connection in DataGridView1 from DataSet1 to Form3 I do this on Form1 #Beginner #Caché #SQL 0 1 0 417