private void button5_Click(object sender, EventArgs e)
{
// db.Entry(sex).State = System.Data.Entity.EntityState.
T_sex sex = new T_sex();
sex.sex_no = 2;
sex.sex_name = "男";
//((IList<T_sex>)this.exDataGridView1.DataSource).Insert(this.exDataGridView1.SelectedRows[0].Index,sex);
((IList <T_sex>) this.exDataGridView1.DataSource).Add(sex);
db.Entry(sex).State = System.Data.Entity.EntityState.Added;
//db.Entry(((T_sex)this.exDataGridView1.Rows[this.exDataGridView1.NewRowIndex].DataBoundItem)).State = System.Data.Entity.EntityState.Added;
//this.exDataGridView1.Refresh();
}
