private void btnClose_Click(object sender, EventArgs e) { this.Close(); frm_Main frm = new frm_Main(); frm.Visible = true; }
private void metroButton1_Click(object sender, EventArgs e) { if (string.IsNullOrEmpty(txtusername.Text)) { MetroFramework.MetroMessageBox.Show(this, "Please enter your username", "Message", MessageBoxButtons.OK, MessageBoxIcon.Information); txtusername.Focus(); return; } try { using (IT_Project_DatabaseEntities db = new IT_Project_DatabaseEntities()) { var query = from u in db.users where u.username == txtusername.Text && u.password == txtpassword.Text select u; if (query.SingleOrDefault() != null) { this.Hide(); frm_Main frm = new frm_Main(); frm.ShowDialog(); } else { MetroFramework.MetroMessageBox.Show(this, "You Username or password is incorrect!", "Message", MessageBoxButtons.OK, MessageBoxIcon.Information); } } } catch (Exception ex) { MetroFramework.MetroMessageBox.Show(this, ex.Message, "Wrong", MessageBoxButtons.OK, MessageBoxIcon.Error); } }