private void btnAdd_Click(object sender, EventArgs e) { DataLinqDataContext db = new DataLinqDataContext(); DemoLinQ demoLinQ = new DemoLinQ(); demoLinQ.id = Int32.Parse(txtId.Text); demoLinQ.name = txtName.Text; demoLinQ.sdt = txtPhone.Text; db.DemoLinQs.InsertOnSubmit(demoLinQ); db.SubmitChanges(); dataGridView1.DataSource = db.DemoLinQs.Select(p => p).ToList(); }
private void Form1_Load(object sender, EventArgs e) { // db = new DataClasses1DataContext(); /* var var = (from DemoLinQ in db.DemoLinQs * where DemoLinQ.id == 1 * select DemoLinQ).FirstOrDefault();*/ using (DataLinqDataContext db = new DataLinqDataContext()) { dataGridView1.DataSource = db.DemoLinQs.Select(p => p).ToList(); } }
public void SQL() { using (DataLinqDataContext dataClasses1DataContext = new DataLinqDataContext()) { } }