private void login_Click(object sender, EventArgs e) { string query = "Select * from login Where username = '******' and password = '******'"; SqlDataAdapter sda = new SqlDataAdapter(query, sqlcon); DataTable dtbl = new DataTable(); sda.Fill(dtbl); if (dtbl.Rows.Count == 1) { frm_main objFrmMain = new frm_main(); this.Hide(); objFrmMain.Show(); } else { MessageBox.Show("اسم المستخدم او كلمة المرور غير صحيحة ", "رسالة", MessageBoxButtons.OK, MessageBoxIcon.Error); } }
private void tileItem2_ItemClick_1(object sender, DevExpress.XtraEditors.TileItemEventArgs e) { frm_main frm = new frm_main(); frm.Show(); }