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摘要： create table tbUserTow ( Id int primary key, score int default 0, ) create table tbScoreCount ( IdSum int foreign key references tbUserTow(Id),----外键约束 scoreCountId int not n... 阅读全文

摘要： private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e) { if (e.RowIndex < 0) return; string[] SubCode = null; ... 阅读全文