private void button_Delete_Click(object sender, EventArgs e)
{
int row = dataGridView1.CurrentCell.RowIndex;
string del = string.Format("{0}", dataGridView1[row, 0].Value);
using (var context = new Entities())
{
var wuery = (from data in context.Users
where data.First_Name==del
select data).First();
context.Attach(wuery);
context.DeleteObject(wuery);
context.SaveChanges();
dataGridView1.DataSource = context.Users;
}
}
