private void button1_Click(object sender, EventArgs e) { if (v3 == null || v3.IsDisposed) { v3 = new Form5(); v3.Show(); } }
private void SUBMIT_Click(object sender, EventArgs e) { if (RNO.Text != "" & NAME.Text != "" & ADDRESS.Text != "" & MOB.Text != "" & EMAIL.Text != "" & BGROUP.Text != "") { str = BGROUP.Text; com.Connection = con; com.CommandText = "insert into registration(RNO,NAME,ADDRESS,MOB,EMAIL,BGROUP) values ('" + RNO.Text + "','" + NAME.Text + "','" + ADDRESS.Text + "','" + MOB.Text + "','" + EMAIL.Text + "','" + BGROUP.Text + "')"; com.ExecuteNonQuery(); // com.Dispose(); // MessageBox.Show("record inserted"); } else { MessageBox.Show("Plzzz insert all entries "); } // /* com.CommandText = "select count(RNO) into cnt from reg where BGROUP=" + BGROUP.Text + ""; //com.Connection = con; // com.CommandText = "select * from REG where BGROUP='" + str + "' "; Form5 ob = new Form5(); ob.passvalue(con, str); ob.Show(); Hide(); // Session.Add("BGROUP", str); }